<?xml version="1.0" encoding="utf-8"?>
<!--

    Copyright (c) 2018 Oracle and/or its affiliates. All rights reserved.

    This program and the accompanying materials are made available under the
    terms of the Eclipse Public License v. 2.0 which is available at
    http://www.eclipse.org/legal/epl-2.0,
    or the Eclipse Distribution License v. 1.0 which is available at
    http://www.eclipse.org/org/documents/edl-v10.php.

    SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause

-->

<!--
Contributors:
    Oracle - initial API and implementation from Oracle TopLink
-->
<!-- Eclipse Persistence Service Project :: Map Schema file for ORM/OXM/EIS -->
<xsd:schema
  targetNamespace="http://www.eclipse.org/eclipselink/xsds/persistence"
  xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  xmlns="http://www.eclipse.org/eclipselink/xsds/persistence"
  elementFormDefault="qualified"
  attributeFormDefault="unqualified"
  version="1.0"
  >
  <xsd:element name="object-persistence" type="object-persistence" />
  <xsd:complexType name="object-persistence">
    <xsd:annotation>
      <xsd:documentation>An object-persistence mapping module, a set of class-mapping-descriptors.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="name" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>A name for the model being mapped.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="class-mapping-descriptors">
        <xsd:annotation>
          <xsd:documentation>The list of class mapping descriptors.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="class-mapping-descriptor" type="class-mapping-descriptor">
              <xsd:annotation>
                <xsd:documentation>Information of how a class is persisted to its data-store.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" name="login" type="datasource-login">
        <xsd:annotation>
          <xsd:documentation>The datasource connection and configuration information.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="default-temporal-mutable" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Defines the default for how Date and Calendar types are used with change tracking.</xsd:documentation>
          <xsd:documentation>By default they are assumed not to be changed directly (only replaced).</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
    <xsd:attribute default="Eclipse Persistence Services - 1.0 (Build YYMMDD)" name="version" type="xsd:string" />
  </xsd:complexType>
  <xsd:complexType name="datasource-login">
    <xsd:annotation>
      <xsd:documentation>The datasource connection and configuration information.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="platform-class" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The fully qualified name of the platform class.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="user-name" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The datasource user-name.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="password" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The datasource password, this is stored in encrypted form.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="external-connection-pooling" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Defines if the connections are managed by the datasource driver, and a new connection should be acquire per call.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="external-transaction-controller" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Defines if the transaction are managed by a transaction manager, and should not be managed by TopLink.</xsd:documentation>
          <xsd:documentation>This can also be used if the datasource does not support transactions.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="sequencing">
        <xsd:annotation>
          <xsd:documentation>Sequencing information.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" name="default-sequence" type="sequence">
              <xsd:annotation>
                <xsd:documentation>Default sequence. The name is optional. If no name provided an empty string will be used as a name.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
            <xsd:element minOccurs="0" name="sequences">
              <xsd:annotation>
                <xsd:documentation>Non default sequences. Make sure each sequence has unique name.</xsd:documentation>
              </xsd:annotation>
              <xsd:complexType>
                <xsd:sequence>
                  <xsd:element minOccurs="0" maxOccurs="unbounded" name="sequence" type="sequence" />
                </xsd:sequence>
              </xsd:complexType>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="database-login">
    <xsd:annotation>
      <xsd:documentation>The JDBC driver and database connection and configuration information.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="datasource-login">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="driver-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The fully qualified name of the JDBC driver class.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="connection-url" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The full JDBC driver connection URL.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="bind-all-parameters" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Configure if parameter binding should be used.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="cache-all-statements" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Configure if statement caching should be used.  This should be used with parameter binding, this cannot be used with external connection pooling.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="byte-array-binding" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Configure if byte array data-types should use binding.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="string-binding" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Configure if string data-types should use binding.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="256" name="string-binding-size" type="xsd:integer">
            <xsd:annotation>
              <xsd:documentation>Configure the threshold string size for usage of string binding.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="streams-for-binding" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Configure if large byte array and string data-types should be bound as streams.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="force-field-names-to-upper-case" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Configure to force all field names to upper-case.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="optimize-data-conversion" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Configure data optimization.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="trim-strings" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Configure if string trailing blanks should be trimmed.  This is normally required for CHAR data-types.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="batch-writing" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Configure if batch writing should be used.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="jdbc-batch-writing" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>If using batch writing, configure if the JDBC drivers batch writing should be used.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="eis-login">
    <xsd:annotation>
      <xsd:documentation>The JCA driver and EIS connection and configuration information.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="datasource-login">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="connection-spec-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The fully qualified name of the TopLink platform specific connection spec class.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="connection-factory-url" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The JNDI url for the managed JCA adapter's connection factory.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-login">
    <xsd:annotation>
      <xsd:documentation>The connection and configuration information.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="datasource-login">
        <xsd:sequence>
          <xsd:element minOccurs="0" default="true" name="equal-namespace-resolvers" type="xsd:boolean" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="class-mapping-descriptor">
    <xsd:annotation>
      <xsd:documentation>Information of how a class is persisted to its data-store.</xsd:documentation>
      <xsd:documentation>This is an abstract definition to allow flexibility in the types of classes and datastores persisted, i.e. interfaces, abstract classes, aggregates, non-relational persistence.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element name="class" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of the implementation class being persisted.  The class name must be full qualified with its package.</xsd:documentation>
          <xsd:documentation>Example: <class xmlns="http://www.eclipse.org/eclipselink/xsds/persistence">example.employee.implementation.Employee</class></xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="alias" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Optionally an alias name can be given for the class.  The alias is a string that can be used to refer to the class in place of its implementation name, such as in querying.</xsd:documentation>
          <xsd:documentation>Example: <alias xmlns="http://www.eclipse.org/eclipselink/xsds/persistence">Employee</alias></xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="primary-key">
        <xsd:annotation>
          <xsd:documentation>The list of fields/columns that make up the primary key or unique identifier of the class.</xsd:documentation>
          <xsd:documentation>This is used for caching, relationships, and for database operations.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element maxOccurs="unbounded" name="field" type="field">
              <xsd:annotation>
                <xsd:documentation>The primary key field.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="read-only" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Defines if the class is read-only.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="properties">
        <xsd:annotation>
          <xsd:documentation>Allow for user defined properties to be defined.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="property" type="property">
              <xsd:annotation>
                <xsd:documentation>A user defined property.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" name="inheritance" type="inheritance-policy">
        <xsd:annotation>
          <xsd:documentation>Defines how the class is related in inheritance and how this inheritance is persisted.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="events" type="event-policy">
        <xsd:annotation>
          <xsd:documentation>Defines the persistent events for this class.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="querying" type="query-policy">
        <xsd:annotation>
          <xsd:documentation>The list of defined queries for the class.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="attribute-mappings">
        <xsd:annotation>
          <xsd:documentation>The list of mappings that define how the class' attributes are persisted.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="attribute-mapping" type="attribute-mapping">
              <xsd:annotation>
                <xsd:documentation>Defines how a attribute is persisted. The attribute mapping definition is extendable to allow for different types of mappings.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" name="descriptor-type" type="class-descriptor-type">
        <xsd:annotation>
          <xsd:documentation>Defines the descriptor type, such as aggregate or independent.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="interfaces" type="interface-policy">
        <xsd:annotation>
          <xsd:documentation>Defines the interfaces that this class implements..</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="locking" type="locking-policy">
        <xsd:annotation>
          <xsd:documentation>Defines the locking behavior for the class.  Such as an optimistic locking policy based on version, timestamp or change set of columns.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="sequencing" type="sequencing-policy">
        <xsd:annotation>
          <xsd:documentation>Defines how a generated unique id should be assigned to the class.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="caching" type="caching-policy">
        <xsd:annotation>
          <xsd:documentation>Defines how the class' instances should be cached.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="remote-caching" type="caching-policy">
        <xsd:annotation>
          <xsd:documentation>Defines how the class' instances should be cached on remote clients.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="history-policy" type="history-policy">
        <xsd:annotation>
          <xsd:documentation>Defines how past versions of objects are persisted to the data-store.  By default there will be no history policy.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="returning-policy" type="returning-policy">
        <xsd:annotation>
          <xsd:documentation>Defines retuning policy.  By default there will be no returning policy.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="amendment" type="amendment">
        <xsd:annotation>
          <xsd:documentation>Allow for the descriptor to be amended or customized through a class API after loading.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="instantiation" type="instantiation-policy">
        <xsd:annotation>
          <xsd:documentation>Allow the object instantiation behavoir to be customized</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="copying" type="copy-policy">
        <xsd:annotation>
          <xsd:documentation>Allow the object cloning/copying behavoir to be customized.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="query-keys">
        <xsd:annotation>
          <xsd:documentation>A list of query keys or aliases for database information.  These can be used in queries instead of the database column names.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="query-key" type="query-key">
              <xsd:annotation>
                <xsd:documentation>Defines an alias for querying database information.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" name="cmp-policy" type="cmp-policy">
        <xsd:annotation>
          <xsd:documentation>Place holder of CMP information specific.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="fetch-groups" type="fetch-groups">
        <xsd:annotation>
          <xsd:documentation>Contains all pre-defined fetch groups at the descriptor level</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" maxOccurs="1" name="change-policy" type="change-policy">
        <xsd:annotation>
          <xsd:documentation>Contains the Change Policy for this descriptor</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
    <xsd:attribute fixed="10" name="schema-major-version" type="xsd:integer" />
    <xsd:attribute fixed="0" name="schema-minor-version" type="xsd:integer" />
  </xsd:complexType>
  <xsd:simpleType name="class-descriptor-type">
    <xsd:annotation>
      <xsd:documentation>Defines the class descriptor type.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="independent" />
      <xsd:enumeration value="aggregate" />
      <xsd:enumeration value="aggregate-collection" />
      <xsd:enumeration value="composite" />
      <xsd:enumeration value="composite" />
      <xsd:enumeration value="interface" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:complexType name="interface-policy">
    <xsd:annotation>
      <xsd:documentation>Specify the interfaces that a class descriptor implements, or the implemention class for an interface descriptor.</xsd:documentation>
      <xsd:documentation>Optionally a set of public interfaces for the class can be specified.  This allows the interface to be used to refer to the implementation class.</xsd:documentation>
      <xsd:documentation>If two classes implement the same interface, an interface descriptor should be defined for the interface.</xsd:documentation>
      <xsd:documentation>This can also be used to define inheritance between interface descriptors.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" maxOccurs="unbounded" name="interface" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The fully qualified interface class name.</xsd:documentation>
          <xsd:documentation>Example: <class xmlns="http://www.eclipse.org/eclipselink/xsds/persistence">example.employee.api.Employee</class></xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" maxOccurs="unbounded" name="implementor-descriptor" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The fully qualified class name of the implementation class for which this interface is the public interface.</xsd:documentation>
          <xsd:documentation>This can be used if the interface has only a single implementor.</xsd:documentation>
          <xsd:documentation>Example: <class xmlns="http://www.eclipse.org/eclipselink/xsds/persistence">example.employee.impl.Employee</class></xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="copy-policy">
    <xsd:annotation>
      <xsd:documentation>Allow the object cloning/copying behavoir to be customized.</xsd:documentation>
    </xsd:annotation>
  </xsd:complexType>
  <xsd:complexType name="instantiation-copy-policy">
    <xsd:annotation>
      <xsd:documentation>Creates a copying through creating a new instance to copy into.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="copy-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="clone-copy-policy">
    <xsd:annotation>
      <xsd:documentation>Allow the object cloning/copying behavoir to be customized through a clone method.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="copy-policy">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="method" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the clone method on the object, i.e. 'clone'</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="instantiation-policy">
    <xsd:annotation>
      <xsd:documentation>Allow the object instantiation behavoir to be customized.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of the method on the factory to instantiate the object instance.'</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="factory-class" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The fully qualified factory class name.'</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="factory-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of the method to instantiate the factory class.'</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="amendment">
    <xsd:annotation>
      <xsd:documentation>Specifies a class and static method to be called to allow for the descriptor to be amended or customized through a class API after loading.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element name="amendment-class" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation> The fully qualified name of the amendment class.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="amendment-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of the static amendment method on the class.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="relational-class-mapping-descriptor">
    <xsd:annotation>
      <xsd:documentation>Defines a class mapping to a relational database table(s).</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="class-mapping-descriptor">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="tables">
            <xsd:annotation>
              <xsd:documentation>The list of the tables the class is persisted to.  Typically a class is persisted to a single table, but multiple tables can be defined.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element maxOccurs="unbounded" name="table" type="table">
                  <xsd:annotation>
                    <xsd:documentation>The list of tables that the class is persisted to.  This is typically a single table but can be multiple, or empty for inheritance or aggregated classes.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="foreign-keys-for-multiple-table" type="foreign-key">
            <xsd:annotation>
              <xsd:documentation>Allow the foreign key field references to be define for multiple table descriptors.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="multiple-table-join-criteria" type="criteria">
            <xsd:annotation>
              <xsd:documentation>For complex multiple table join conditions an expression may be provided instead of the table foreign key information.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="locking-policy">
    <xsd:annotation>
      <xsd:documentation>Defines an optimistic locking policy.</xsd:documentation>
    </xsd:annotation>
  </xsd:complexType>
  <xsd:complexType name="version-locking-policy">
    <xsd:annotation>
      <xsd:documentation>Defines an optimistic locking policy based on a numeric version field/column that tracks changes and the version to an object.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="locking-policy">
        <xsd:sequence>
          <xsd:element name="version-field" type="field">
            <xsd:annotation>
              <xsd:documentation>The name and optionally the table of the column that the attribute is stored into.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="store-version-in-cache" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the version value should be stored in the cache, or if it will be stored in the object.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="timestamp-locking-policy">
    <xsd:annotation>
      <xsd:documentation>Defines an optimistic locking policy based on timestamp version column that tracks changes and the version to an object.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="version-locking-policy">
        <xsd:sequence>
          <xsd:element minOccurs="0" default="false" name="server-time" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the timestamp should be obtained locally or from the database server.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="all-fields-locking-policy">
    <xsd:annotation>
      <xsd:documentation>Defines an optimistic locking policy based on comparing the original read values of all fields of the object with the current state of the values in the database.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="locking-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="changed-fields-locking-policy">
    <xsd:annotation>
      <xsd:documentation>Defines an optimistic locking policy based on comparing the original read values of only the changed fields of the object with the current state of the values in the database.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="locking-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="selected-fields-locking-policy">
    <xsd:annotation>
      <xsd:documentation>Defines an optimistic locking policy based on comparing the original read values of a specified set of fields of the object with the current state of the values in the database.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="locking-policy">
        <xsd:sequence>
          <xsd:element name="fields">
            <xsd:annotation>
              <xsd:documentation>Specify the set of fields to compare on update and delete.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element maxOccurs="unbounded" name="field" type="field" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="sequencing-policy">
    <xsd:annotation>
      <xsd:documentation>Defines how a database generated unique id should be assigned to the class.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element name="sequence-name" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Specify the name of the sequence generator.  This could be the name of a sequence object, or a row value in a sequence table.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="sequence-field" type="field">
        <xsd:annotation>
          <xsd:documentation>Specify the field/column that the generated sequence id is assigned to.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:simpleType name="cache-type">
    <xsd:annotation>
      <xsd:documentation>Defines the set of valid caching types.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="none" />
      <xsd:enumeration value="full" />
      <xsd:enumeration value="cache" />
      <xsd:enumeration value="weak-reference" />
      <xsd:enumeration value="soft-reference" />
      <xsd:enumeration value="soft-cache-weak-reference" />
      <xsd:enumeration value="hard-cache-weak-reference" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:complexType name="caching-policy">
    <xsd:annotation>
      <xsd:documentation>Defines how the class' instances should be cached and how object identity should be maintained.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" default="soft-cache-weak-reference" name="cache-type" type="cache-type">
        <xsd:annotation>
          <xsd:documentation>Specify the type of caching, such as LRU, weak reference or none.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="100" name="cache-size" type="xsd:integer">
        <xsd:annotation>
          <xsd:documentation>Specify the initial or maximum size of the cache.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="always-refresh" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Specify to always refresh cached objects on queries.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="only-refresh-cache-if-newer-version" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Specify to refresh if the cached object is an older version.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="disable-cache-hits" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Disable obtaining cache hits on primary key queries.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="always-conform" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Specify to always conform queries within a transaction.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="isolated" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Specify if objects of this type should be isolated from the shared cache.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="isolate-new-data-after-transaction" name="unitofwork-isolation-level" type="unitofwork-isolation-level">
        <xsd:annotation>
          <xsd:documentation>Specify how the unit of work should be isolated to the session cache.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="cache-invalidation-policy" type="cache-invalidation">
        <xsd:annotation>
          <xsd:documentation>Defines the cache invalidation policy.  By default there will be no cache invalidation policy.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="change-set" name="cache-sync-type" type="cache-sync-type">
        <xsd:annotation>
          <xsd:documentation>The type of cache synchronization to be used with this descripor.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="cache-invalidation" abstract="true">
    <xsd:annotation>
      <xsd:documentation>Abstract superclass for cache invalidation policies.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" default="false" name="update-read-time-on-update" type="xsd:boolean" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="no-expiry-cache-invalidation-policy">
    <xsd:annotation>
      <xsd:documentation>Cache invalidation policy where objects in the cache do not expire.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="cache-invalidation" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="time-to-live-cache-invalidation-policy">
    <xsd:annotation>
      <xsd:documentation>Cache invalidation policy where objects live a specific number of milliseconds after they are read.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="cache-invalidation">
        <xsd:sequence>
          <xsd:element name="time-to-live" type="xsd:long" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="daily-cache-invalidation-policy">
    <xsd:annotation>
      <xsd:documentation>Cache invalidation Policy where objects expire at a specific time every day</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="cache-invalidation">
        <xsd:sequence>
          <xsd:element name="expiry-time" type="xsd:dateTime" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="history-policy">
    <xsd:annotation>
      <xsd:documentation>Defines how past versions of objects are to be persisted to the data-store.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" default="true" name="handle-writes" type="xsd:boolean" />
      <xsd:element minOccurs="0" default="false" name="use-database-time" type="xsd:boolean" />
      <xsd:element minOccurs="0" name="history-tables">
        <xsd:annotation>
          <xsd:documentation>Defines the names of the mirroring historical tables.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element maxOccurs="unbounded" name="history-table" type="history-table" />
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" name="start-fields">
        <xsd:annotation>
          <xsd:documentation>Defines the start fields for each historical table.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element maxOccurs="unbounded" name="start-field" type="field" />
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" name="end-fields">
        <xsd:annotation>
          <xsd:documentation>Defines the end fields for each historical table.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element maxOccurs="unbounded" name="end-field" type="field" />
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="history-table">
    <xsd:annotation>
      <xsd:documentation>Each entry is a source (descriptor) to history table name association.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" default="" name="source" type="xsd:string" />
      <xsd:element minOccurs="1" name="history" type="xsd:string" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="returning-policy">
    <xsd:annotation>
      <xsd:documentation>Defines retuning policy.  By default there will be no returning policy.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="1" name="returning-field-infos">
        <xsd:annotation>
          <xsd:documentation>Lists the fields to be returned together with the flags defining returning options</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element maxOccurs="unbounded" name="returning-field-info" type="returning-field-info" />
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="returning-field-info">
    <xsd:annotation>
      <xsd:documentation>Field to be returned together with type and the flags defining returning options. At least one of insert, update should be true.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="reference-class" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The fully qualified name of the target referenced class.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="field" type="field">
        <xsd:annotation>
          <xsd:documentation>The field to be returned.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="insert" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Indicates whether the field should be retuned after Insert.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="insert-mode-return-only" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>If insert==true, indicates whether the field should not be inserted (true). If insert==false - ignored.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="update" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Indicates whether the field should be retuned after Insert.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="inheritance-policy">
    <xsd:annotation>
      <xsd:documentation>Defines how the class is related in inheritance and how this inheritance is persisted.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="parent-class" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of the parent/superclass of the class being persisted.  The class name must be full qualified   with its package.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="true" name="read-subclasses-on-queries" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Define if subclasses of the class should be returned on queries, or only the exact class.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="all-subclasses-view" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Optionally specify the name of a view that joins all of the subclass' tables.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="use-class-name-as-indicator" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Specifies if the fully qualified class name should be used as the class type indicator.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="class-extraction-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of a method on the class that takes the class' row as argument a computed that class type to be used to instantiate from the row.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="class-indicator-field" type="field">
        <xsd:annotation>
          <xsd:documentation>The name of the type field/column that the class type is stored into.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="class-indicator-mappings" type="class-indicator-mappings">
        <xsd:annotation>
          <xsd:documentation>The set of class indicator values and the subclasses they map to.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="class-extractor" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of a class that implements a class extractor interface.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="only-instances-criteria" type="criteria">
        <xsd:annotation>
          <xsd:documentation>The criteria that filters out all sibling and subclass instances on queries.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="all-subclasses-criteria" type="criteria">
        <xsd:annotation>
          <xsd:documentation>The criteria that filters out sibling instances on queries.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="outer-join-subclasses" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>For inheritance queries specify if all subclasses should be outer joined, instead of a query per subclass.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="qname-inheritance-policy">
    <xsd:annotation>
      <xsd:documentation>Extends inheritance policy. Allows for prefixed names to be resolved at runtime to find the approriate class</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="inheritance-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="class-indicator-mappings">
    <xsd:annotation>
      <xsd:documentation>The set of class indicator values and the subclasses they map to.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" maxOccurs="unbounded" name="class-indicator-mapping">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="class" type="xsd:string">
              <xsd:annotation>
                <xsd:documentation>The fully qualified name of the class the type maps to.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
            <xsd:element name="class-indicator" type="xsd:anySimpleType">
              <xsd:annotation>
                <xsd:documentation>The field value used to define the class type.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="event-policy">
    <xsd:annotation>
      <xsd:documentation>Defines the persistent events for this class.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="event-listeners">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="event-listener" type="xsd:string">
              <xsd:annotation>
                <xsd:documentation>The fully qualified name of an event listener class that implements the descriptor event listener interface.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" name="post-build-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed after building the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="pre-write-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed before writing the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="post-write-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed after writing the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="pre-insert-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed before inserting the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="post-insert-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed after inserting the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="pre-update-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed before updating the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="post-update-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed after updating the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="pre-delete-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed before deleting the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="post-delete-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed after deleting the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="about-to-insert-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed before inserting the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="about-to-update-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed before updating the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="post-clone-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed after cloning the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="post-merge-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed after merging the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="post-refresh-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Method executed after refreshing the object.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="query-policy">
    <xsd:annotation>
      <xsd:documentation>The list of defined queries and query properties for the class.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="queries">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="query" type="query">
              <xsd:annotation>
                <xsd:documentation>A query definition for the class' instances.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" name="timeout" type="xsd:integer">
        <xsd:annotation>
          <xsd:documentation>Specifies a timeout to apply to all queries.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="check-cache" name="existence" type="existence-policy">
        <xsd:annotation>
          <xsd:documentation>Allow the behavoir used to determine if an insert or update should occur for an object to be customized.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="insert-query" type="insert-object-query">
        <xsd:annotation>
          <xsd:documentation>Custom insert query.  This overide the default insert behavoir for usage with stored procedures or custom calls.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="update-query" type="update-object-query">
        <xsd:annotation>
          <xsd:documentation>Custom update query.  This overide the default update behavoir for usage with stored procedures or custom calls.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="delete-query" type="delete-object-query">
        <xsd:annotation>
          <xsd:documentation>Custom delete query.  This overide the default delete behavoir for usage with stored procedures or custom calls.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="does-exist-query" type="does-exist-query">
        <xsd:annotation>
          <xsd:documentation>Custom does exist query.  This overide the default delete behavoir for usage with stored procedures or custom calls.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="read-object-query" type="read-object-query">
        <xsd:annotation>
          <xsd:documentation>Custom read object query.  This overide the default read behavoir for usage with stored procedures or custom calls.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="read-all-query" type="read-all-query">
        <xsd:annotation>
          <xsd:documentation>Custom read all query.  This overide the default read all behavoir for usage with stored procedures or custom calls.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:simpleType name="existence-policy">
    <xsd:annotation>
      <xsd:documentation>Defines the set of valid existence policies for determining if an insert or update should occur for an object.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="check-cache" />
      <xsd:enumeration value="check-database" />
      <xsd:enumeration value="assume-existence" />
      <xsd:enumeration value="assume-non-existence" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:complexType name="query-key">
    <xsd:annotation>
      <xsd:documentation>Defines an alias for querying database information.</xsd:documentation>
    </xsd:annotation>
    <xsd:attribute name="name" type="xsd:string">
      <xsd:annotation>
        <xsd:documentation>The query-key alias name.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
  </xsd:complexType>
  <xsd:simpleType name="cache-sync-type">
    <xsd:annotation>
      <xsd:documentation>The type of cache synchronization to use with a descriptor.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="invalidation" />
      <xsd:enumeration value="no-changes" />
      <xsd:enumeration value="change-set-with-new-objects" />
      <xsd:enumeration value="change-set" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="unitofwork-isolation-level">
    <xsd:annotation>
      <xsd:documentation>Specify how the unit of work isolated from the session cache.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="use-session-cache-after-transaction" />
      <xsd:enumeration value="isolate-new-data-after-transaction" />
      <xsd:enumeration value="isolate-cache-after-transaction" />
      <xsd:enumeration value="isolate-cache-always" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:complexType name="direct-query-key">
    <xsd:annotation>
      <xsd:documentation>Defines an alias for a database column.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="query-key">
        <xsd:sequence>
          <xsd:element name="field" type="field">
            <xsd:annotation>
              <xsd:documentation>The field/column being aliased.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="relationship-query-key" abstract="true">
    <xsd:annotation>
      <xsd:documentation>Defines an alias for a join to another class' table.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="query-key">
        <xsd:sequence>
          <xsd:element name="reference-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The fully qualified name of the target referenced class.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:choice>
            <xsd:element name="foreign-key" type="foreign-key">
              <xsd:annotation>
                <xsd:documentation>The foreign key join condition between the source and target class' tables.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
            <xsd:element name="criteria" type="criteria">
              <xsd:annotation>
                <xsd:documentation>The join criteria between the source and target class' tables.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:choice>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="one-to-one-query-key">
    <xsd:annotation>
      <xsd:documentation>Defines an alias for a 1-1 join to another class' table.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relationship-query-key" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="one-to-many-query-key">
    <xsd:annotation>
      <xsd:documentation>Defines an alias for a 1-m join from another class' table.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent>
      <xsd:extension base="relationship-query-key" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="abstract-direct-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping from an attirbute to a simple field datatype, i.e. String, Number, Date.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent>
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element name="field" type="field">
            <xsd:annotation>
              <xsd:documentation>The name and optionally the table of the field/column that the attribute is stored into.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="null-value" type="xsd:anySimpleType" minOccurs="0">
            <xsd:annotation>
              <xsd:documentation>Optionally specify a value that null data values should be converted to.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="converter" type="value-converter" minOccurs="0">
            <xsd:annotation>
              <xsd:documentation>Optionally specify how the data value should be converted to the object value.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="attribute-classification" type="xsd:string" minOccurs="0"/>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="attribute-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines how a attribute is persisted. The attribute mapping definition is extendable to allow for different types of mappings.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="attribute-name" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of the attribute.  This is the implementation class attribute name.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="false" name="read-only" type="xsd:boolean">
        <xsd:annotation>
          <xsd:documentation>Specify if the attribute is read-only.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="get-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of the get method for the attribute.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="set-method" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of the set method for the attribute.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="properties">
        <xsd:annotation>
          <xsd:documentation>Allow for user defined properties to be defined.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="property" type="property">
              <xsd:annotation>
                <xsd:documentation>A user defined property.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="direct-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines how a simple attribute is persisted.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent>
      <xsd:extension base="abstract-direct-mapping">
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-direct-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping from an attirbute to a simple field datatype, i.e. String, Number, Date.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent>
      <xsd:extension base="abstract-direct-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="is-cdata" type="xsd:boolean" />
          <xsd:element minOccurs="0" name="null-policy" type="abstract-null-policy" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="eis-direct-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping from an attirbute to a simple field datatype, i.e. String, Number, Date.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-direct-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="field-transformation" abstract="true">
    <xsd:annotation>
      <xsd:documentation>Defines a field transformation for a transformation mapping</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element name="field" type="field" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="method-based-field-transformation">
    <xsd:complexContent mixed="false">
      <xsd:extension base="field-transformation">
        <xsd:sequence>
          <xsd:element name="method" type="xsd:string" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="transformer-based-field-transformation">
    <xsd:complexContent mixed="false">
      <xsd:extension base="field-transformation">
        <xsd:sequence>
          <xsd:element name="transformer-class" type="xsd:string" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="abstract-transformation-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a transformation mapping that uses Java code to transform between the data and object values.</xsd:documentation>
      <xsd:documentation>This can be used if a single attribute maps to multiple fields, or field only mappings or attribute only mappings.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="attribute-method" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the attribute transformation defined in the domain class.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="attribute-transformer" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The class name of the attribute transformer. Used in place of attribute-transformation.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="mutable" type="xsd:boolean" />
          <xsd:element minOccurs="0" name="indirection" type="indirection-policy" />
          <xsd:element minOccurs="0" name="field-transformations">
            <xsd:annotation>
              <xsd:documentation>The field transformations.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="field-transformation" type="field-transformation" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="transformation-mapping">
    <xsd:annotation>
      <xsd:documentation>This can be used if a single attribute maps to multiple fields, or field only mappings or attribute only mappings.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-transformation-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-transformation-mapping">
    <xsd:annotation>
      <xsd:documentation>This can be used if a single attribute maps to multiple fields, or field only mappings or attribute only mappings.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-transformation-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="eis-transformation-mapping">
    <xsd:annotation>
      <xsd:documentation>This can be used if a single attribute maps to multiple fields, or field only mappings or attribute only mappings.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-transformation-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="aggregate-object-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a relationship where the target object is strictly privately owned by the source object and stores within the source objects row</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element name="reference-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The fully qualified class name of the target class of the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="allow-null" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if a row of all nulls should be interpreted as null.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="field-translations">
            <xsd:annotation>
              <xsd:documentation>Allow for the mapping to use different field names than the descriptor.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="field-translation">
                  <xsd:complexType>
                    <xsd:sequence>
                      <xsd:element name="source-field" type="field">
                        <xsd:annotation>
                          <xsd:documentation>The field in the source descriptor's table.</xsd:documentation>
                        </xsd:annotation>
                      </xsd:element>
                      <xsd:element name="target-field" type="field">
                        <xsd:annotation>
                          <xsd:documentation>The field in the aggregate descriptor.</xsd:documentation>
                        </xsd:annotation>
                      </xsd:element>
                    </xsd:sequence>
                  </xsd:complexType>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="relationship-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines how a relationship between two classes is persisted.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element name="reference-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The fully qualified class name of the target class of the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="private-owned" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the target objects are privately owned dependent objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="cascade-persist" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the create operation should be cascaded to the referenced object.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="cascade-merge" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the create operation should be cascaded to the referenced object.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="cascade-refresh" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the refresh operation should be cascaded to the referenced object.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="cascade-remove" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the remove operation should be cascaded to the referenced object.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="one-to-one-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a 1-1 relationship from the source instance to the target instance.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relationship-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="foreign-key" type="foreign-key">
            <xsd:annotation>
              <xsd:documentation>The foreign key in the source class' table that defines the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="foreign-key-fields">
            <xsd:annotation>
              <xsd:documentation>The set of foreign key fields populated by this relationship in the source class' table.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="field" type="field">
                  <xsd:annotation>
                    <xsd:documentation>The set of foreign key fields populated by this relationship in the source class' table.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="bidirectional-target-attribute" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>For bi-directional relationships the target inverse relationship can be defined.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="batch-reading" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify to optimize reads for the class by batching the reads to this relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="indirection" type="indirection-policy">
            <xsd:annotation>
              <xsd:documentation>The indirection policy to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="selection-query" type="read-object-query">
            <xsd:annotation>
              <xsd:documentation>Specify the query to use to select the target objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="none" name="join-fetch" type="join-fetch-type">
            <xsd:annotation>
              <xsd:documentation>Specify to always join the related objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="eis-one-to-one-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a 1-1 relationship from the source instance to the target instance.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="one-to-one-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="one-to-many-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a 1-m relationship from the source instance to the target instances.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relationship-mapping">
        <xsd:sequence>
          <xsd:element name="target-foreign-key" type="foreign-key">
            <xsd:annotation>
              <xsd:documentation>The foreign key in the target class' table that defines the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="bidirectional-target-attribute" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>For bi-directional relationships the target inverse relationship can be defined.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="batch-reading" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify to optimize reads for the class by batching the reads to this relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="container" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="indirection" type="indirection-policy">
            <xsd:annotation>
              <xsd:documentation>The indirection policy to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="selection-query" type="read-all-query">
            <xsd:annotation>
              <xsd:documentation>Specify the query to use to select the target objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="delete-all-query" type="delete-all-query">
            <xsd:annotation>
              <xsd:documentation>A query to delete all of the related objects can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="none" name="join-fetch" type="join-fetch-type">
            <xsd:annotation>
              <xsd:documentation>Specify to always join the related objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="eis-one-to-many-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a 1-m relationship from the source instance to the target instances.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relationship-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="source-foreign-key-fields">
            <xsd:annotation>
              <xsd:documentation>The set of foreign key fields populated by this relationship in the source class' table.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="field" type="field">
                  <xsd:annotation>
                    <xsd:documentation>The set of foreign key fields populated by this relationship in the source class' table.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="target-foreign-key-fields">
            <xsd:annotation>
              <xsd:documentation>The set of foreign key fields populated by this relationship in the source class' table.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="field" type="field">
                  <xsd:annotation>
                    <xsd:documentation>The set of foreign key fields populated by this relationship in the source class' table.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="foreign-key-grouping-element" type="field" />
          <xsd:element minOccurs="0" name="bidirectional-target-attribute" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>For bi-directional relationships the target inverse relationship can be defined.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="container" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="indirection" type="indirection-policy">
            <xsd:annotation>
              <xsd:documentation>The indirection policy to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="selection-query" type="read-all-query">
            <xsd:annotation>
              <xsd:documentation>Specify the query to use to select the target objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="delete-all-query" type="delete-all-query">
            <xsd:annotation>
              <xsd:documentation>A query to delete all of the related objects can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="direct-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a collection of simple types relationship from the source instance to a set of simple data values.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" default="false" name="batch-reading" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify to optimize reads for the class by batching the reads to this relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="container" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="indirection" type="indirection-policy">
            <xsd:annotation>
              <xsd:documentation>The indirection policy to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="selection-query" type="data-read-query">
            <xsd:annotation>
              <xsd:documentation>Specify the query to use to select the target data values.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="reference-table" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the reference table that stores the source primary key and the data values.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="direct-field" type="field">
            <xsd:annotation>
              <xsd:documentation>The field/column in the reference table that stores the data values.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="reference-foreign-key" type="foreign-key">
            <xsd:annotation>
              <xsd:documentation>The foreign key in the reference table that defines the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="value-converter" type="value-converter">
            <xsd:annotation>
              <xsd:documentation>Optionally specify how the data value should be converted to the object value.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="insert-query" type="data-modify-query">
            <xsd:annotation>
              <xsd:documentation>A query to insert a row into the reference table can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="delete-query" type="data-modify-query">
            <xsd:annotation>
              <xsd:documentation>A query to delete a row from the reference table can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="delete-all-query" type="data-modify-query">
            <xsd:annotation>
              <xsd:documentation>A query to delete all of the rows from the reference table can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="session-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name session that defines the reference table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="history-policy" type="history-policy">
            <xsd:annotation>
              <xsd:documentation>Defines how past versions of this attribute are persisted to the data-store.  By default there will be no history policy.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="none" name="join-fetch" type="join-fetch-type">
            <xsd:annotation>
              <xsd:documentation>Specify to always join the related objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="direct-map-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a map relationship from the source instance to a set of key values pairs of simple data values.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="direct-collection-mapping">
        <xsd:sequence>
          <xsd:element name="direct-key-field" type="field">
            <xsd:annotation>
              <xsd:documentation>The field/column in the reference table that sores the map key data value.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="key-converter" type="value-converter">
            <xsd:annotation>
              <xsd:documentation>Optionally specify how the key data value should be converted to the object value.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="aggregate-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a 1-m relationship from the source instance to the target instances where the target instances are strictly privately owned by the source object.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relationship-mapping">
        <xsd:sequence>
          <xsd:element name="target-foreign-key" type="foreign-key">
            <xsd:annotation>
              <xsd:documentation>The foreign key in the target class' table that defines the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="bidirectional-target-attribute" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>For bi-directional relationships the target inverse relationship can be defined.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="batch-reading" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify to optimize reads for the class by batching the reads to this relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="container" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="indirection" type="indirection-policy">
            <xsd:annotation>
              <xsd:documentation>The indirection policy to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="selection-query" type="read-all-query">
            <xsd:annotation>
              <xsd:documentation>Specify the query to use to select the target objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="delete-all-query" type="delete-all-query">
            <xsd:annotation>
              <xsd:documentation>A query to delete all of the related objects can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="none" name="join-fetch" type="join-fetch-type">
            <xsd:annotation>
              <xsd:documentation>Specify to always join the related objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="many-to-many-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a m-m relationship from the source instance to the target instances.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relationship-mapping">
        <xsd:sequence>
          <xsd:element name="relation-table" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the relation table that stores the source/target primary keys.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="source-relation-foreign-key" type="foreign-key">
            <xsd:annotation>
              <xsd:documentation>The foreign key from the relational table to the source class' table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="target-relation-foreign-key" type="foreign-key">
            <xsd:annotation>
              <xsd:documentation>The foreign key from the relational table to the target class' table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="bidirectional-target-attribute" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>For bi-directional relationships the target inverse relationship can be defined.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="batch-reading" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify to optimize reads for the class by batching the reads to this relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="container" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="indirection" type="indirection-policy">
            <xsd:annotation>
              <xsd:documentation>The indirection policy to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="selection-query" type="read-all-query">
            <xsd:annotation>
              <xsd:documentation>Specify the query to use to select the target objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="insert-query" type="data-modify-query">
            <xsd:annotation>
              <xsd:documentation>A query to insert a row into the relation table can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="delete-query" type="data-modify-query">
            <xsd:annotation>
              <xsd:documentation>A query to delete a row from the relation table can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="delete-all-query" type="data-modify-query">
            <xsd:annotation>
              <xsd:documentation>A query to delete all of the rows from the relation table can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="history-policy" type="history-policy">
            <xsd:annotation>
              <xsd:documentation>Defines how past versions of this attribute are persisted to the data-store.  By default there will be no history policy.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="none" name="join-fetch" type="join-fetch-type">
            <xsd:annotation>
              <xsd:documentation>Specify to always join the related objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="variable-one-to-one-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a 1-1 relationship from the source instance to the target instance that may be of several types related through an interface.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relationship-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="bidirectional-target-attribute" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>For bi-directional relationships the target inverse relationship can be defined.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="batch-reading" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify to optimize reads for the class by batching the reads to this relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="indirection" type="indirection-policy">
            <xsd:annotation>
              <xsd:documentation>The indirection policy to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="selection-query" type="read-object-query">
            <xsd:annotation>
              <xsd:documentation>Specify the query to use to select the target objects.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="type-field" type="field">
            <xsd:annotation>
              <xsd:documentation>Specify the column to store the class type of the related object into.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="foreign-key-fields">
            <xsd:annotation>
              <xsd:documentation>The set of foreign key fields populated by this relationship in the source class' table.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="field" type="field">
                  <xsd:annotation>
                    <xsd:documentation>The set of foreign key fields populated by this relationship in the source class' table.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element name="foreign-key-to-query-key">
            <xsd:annotation>
              <xsd:documentation>The list of source/target column/query key references relating a foreign key in one table to the query keys defining a primary or unique key value in the other interface descriptor.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element maxOccurs="unbounded" name="query-key-reference">
                  <xsd:annotation>
                    <xsd:documentation>The reference of a source table foreign key and a target interface descriptor query key.</xsd:documentation>
                  </xsd:annotation>
                  <xsd:complexType>
                    <xsd:sequence>
                      <xsd:element name="source-field" type="field">
                        <xsd:annotation>
                          <xsd:documentation>The foreign key field/column name in the source table.</xsd:documentation>
                        </xsd:annotation>
                      </xsd:element>
                      <xsd:element name="target-query-key" type="xsd:string">
                        <xsd:annotation>
                          <xsd:documentation>The query key name of the target interface descriptor.</xsd:documentation>
                        </xsd:annotation>
                      </xsd:element>
                    </xsd:sequence>
                  </xsd:complexType>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="class-indicator-mappings" type="class-indicator-mappings">
            <xsd:annotation>
              <xsd:documentation>The set of class indicator values and the subclasses they map to.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="container-policy">
    <xsd:annotation>
      <xsd:documentation>Defines a container/collection type.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="collection-type" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Specifies the fully qualified class name of the collection implementation class.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="sorted-collection-container-policy">
    <xsd:annotation>
      <xsd:documentation>Defines a sorted collection type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="container-policy">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="comparator-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specifies the fully qualified class name of the comparitor, used to compare objects in sorting the collection.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="list-container-policy">
    <xsd:annotation>
      <xsd:documentation>Defines a list collection type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="container-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="map-container-policy">
    <xsd:annotation>
      <xsd:documentation>Defines a map container type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="container-policy">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="map-key-method" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specifies the method to call on the target objects to get the key value for the map.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="direct-map-container-policy">
    <xsd:annotation>
      <xsd:documentation>Defines a direct map container type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="container-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="scrollable-cursor-policy">
    <xsd:annotation>
      <xsd:documentation>Defines a scrollable cursor container type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="container-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="cursored-stream-policy">
    <xsd:annotation>
      <xsd:documentation>Defines a cursored stream container type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="container-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="indirection-policy" abstract="true">
    <xsd:annotation>
      <xsd:documentation>Defines a deferred read indirection mechanism.</xsd:documentation>
    </xsd:annotation>
  </xsd:complexType>
  <xsd:complexType name="value-holder-indirection-policy">
    <xsd:annotation>
      <xsd:documentation>Defines usage of value holders to implement indirection.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="indirection-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="proxy-indirection-policy">
    <xsd:annotation>
      <xsd:documentation>Defines usage of proxies to implement indirection.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="indirection-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="transparent-collection-indirection-policy">
    <xsd:annotation>
      <xsd:documentation>Defines usage of transparent collections to implement indirection.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="indirection-policy">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="collection-type" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specifies the fully qualified class name of the collection interface to use, i.e. List, Set, Map.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="map-key-method" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specifies the method to call on the target objects to get the key value for the map.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="container-indirection-policy">
    <xsd:annotation>
      <xsd:documentation>Defines usage of a user defined container to implement indirection.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="indirection-policy">
        <xsd:sequence>
          <xsd:element name="container-type" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specifies the fully qualified class name of the container implementer to use.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="typesafe-enumeration-converter">
    <xsd:annotation>
      <xsd:documentation>Typesafe Enumeration conversion</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="value-converter" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="type-conversion-converter">
    <xsd:annotation>
      <xsd:documentation>Specifies the data type and an object type of the attribute to convert between.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="value-converter">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="object-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specifies the fully qualified class name of the attribute type.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="data-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specifies the fully qualified class name of the attributes storage data type.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="serialized-object-converter">
    <xsd:annotation>
      <xsd:documentation>Uses object serialization to convert between the object and data type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="value-converter">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="data-type" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specifies the fully qualified class name of the attributes storage data type.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="object-type-converter">
    <xsd:annotation>
      <xsd:documentation>Specifies a mapping of values from database values used in the field and object values used in the attribute.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="value-converter">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="default-value" type="xsd:anySimpleType">
            <xsd:annotation>
              <xsd:documentation>An optional default value can be specified.  This value is used if a database type is not found in the type mapping.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="type-mappings">
            <xsd:annotation>
              <xsd:documentation>Specifies the mapping of values.  Both the object and database values must be unique.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element maxOccurs="unbounded" name="type-mapping" type="type-mapping">
                  <xsd:annotation>
                    <xsd:documentation>Defines the object and data value mapping.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="attribute-only-type-mappings">
            <xsd:annotation>
              <xsd:documentation>Specifies a mapping of additional values that map non-unique data values to a unique attribute value.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element maxOccurs="unbounded" name="type-mapping" type="type-mapping">
                  <xsd:annotation>
                    <xsd:documentation>Defines the object and data value mapping.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="type-mapping">
    <xsd:annotation>
      <xsd:documentation>Define an object and data value mapping.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element name="object-value" type="xsd:anySimpleType">
        <xsd:annotation>
          <xsd:documentation>Specifies the value to use in the object's attribute.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="data-value" type="xsd:anySimpleType">
        <xsd:annotation>
          <xsd:documentation>Specifies the value to use in the database field.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="database-query" abstract="true">
    <xsd:annotation>
      <xsd:documentation>Defines a query/interaction against a database.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="query">
        <xsd:sequence>
          <xsd:element minOccurs="0" default="true" name="maintain-cache" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specifies if the query should bypass the cache completely.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="bind-all-parameters" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specifies if the query should use paramater binding for arguments, or print the arguments in-line.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="cache-statement" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specifies if the queries statement should be cached, this must be used with parameter binding.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="timeout" type="xsd:integer">
            <xsd:annotation>
              <xsd:documentation>Specifies a timeout to cancel the query in if the request takes too long to complete.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="prepare" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specifies if the query should prepare and cache its generated SQL, or regenerate the SQL on each execution.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="call" type="criteria">
            <xsd:annotation>
              <xsd:documentation>For static calls the SQL or Stored Procedure call definition can be specified.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:simpleType name="join-fetch-type">
    <xsd:annotation>
      <xsd:documentation>Defines the set of valid join fetch options.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="none" />
      <xsd:enumeration value="inner-join" />
      <xsd:enumeration value="outer-join" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="cascade-policy">
    <xsd:annotation>
      <xsd:documentation>Defines the set of valid cascade policies.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="none" />
      <xsd:enumeration value="private" />
      <xsd:enumeration value="all" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:complexType name="value-read-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for reading a single value.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="direct-read-query" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="direct-read-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for reading a collection of values.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="data-read-query" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="data-read-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for reading raw data.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="read-query">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="container" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="read-query" abstract="true">
    <xsd:annotation>
      <xsd:documentation>Defines a query for reading.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="database-query">
        <xsd:sequence>
          <xsd:element minOccurs="0" default="false" name="cache-query-results" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specifies if the query should cache the query results to avoid future executions.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="max-rows" type="xsd:integer">
            <xsd:annotation>
              <xsd:documentation>Specifies the maximum number of rows to fetch, results will be trunctate on the database to this size.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="first-result" type="xsd:integer">
            <xsd:annotation>
              <xsd:documentation>Specifies where to start the cursor in a result set returned from the database. Results prior to this number will not be built into objects</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="fetch-size" type="xsd:integer">
            <xsd:annotation>
              <xsd:documentation>Specifiess the number of rows to fetch from the database on each result set next operation.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="query-result-cache-policy" type="query-result-cache-policy">
            <xsd:annotation>
              <xsd:documentation>Specify how the query results should be cached.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="query-result-cache-policy">
    <xsd:annotation>
      <xsd:documentation>Defines how a query's results should be cached.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="invalidation-policy" type="cache-invalidation">
        <xsd:annotation>
          <xsd:documentation>Defines the cache invalidation policy. By default there will be no cache invalidation policy.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="100" name="maximum-cached-results" type="xsd:integer">
        <xsd:annotation>
          <xsd:documentation>This defines the number of query result sets that will be cached. The LRU query results will be discarded when the max size is reached.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="data-modify-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for manipulating data.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="database-query" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="object-modify-query" abstract="true">
    <xsd:annotation>
      <xsd:documentation>Defines a query for modifying an object.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="database-query" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="update-object-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for updating an object.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="object-modify-query" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="insert-object-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for inserting an object.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="object-modify-query" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="delete-object-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for deleting an object.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="object-modify-query" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="does-exist-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for determining if an object exists.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="database-query">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="existence-check" type="existence-check">
            <xsd:annotation>
              <xsd:documentation>The existence check option.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:simpleType name="existence-check">
    <xsd:annotation>
      <xsd:documentation>Defines the set of valid existence check options.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="check-cache" />
      <xsd:enumeration value="check-database" />
      <xsd:enumeration value="assume-existence" />
      <xsd:enumeration value="assume-non-existence" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:complexType name="delete-all-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for deleting a criteria of objects.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="database-query" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="object-level-read-query" abstract="true">
    <xsd:annotation>
      <xsd:documentation>Defines a query for objects (as apposed to data).</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="read-query">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="reference-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The full qualified name of the class of objects being queried.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="refresh" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the query should refresh any cached objects from the database.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="remote-refresh" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the query should refresh any remotely cached objects from the server.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="none" name="cascade-policy" type="cascade-policy">
            <xsd:annotation>
              <xsd:documentation>Specifies if the queries settings (such as refresh, maintain-cache) should apply to the object's relationship queries.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="primary-key" name="cache-usage" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specify how the query should interact with the cache.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="none" name="lock-mode" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specify if the query should lock the resulting rows on the database.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="none" name="distinct-state" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specify if the query should filter distinct results.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="in-memory-querying">
            <xsd:annotation>
              <xsd:documentation>The in memory querying policy.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element default="ignore-exceptions-return-conformed" name="policy" type="xsd:string">
                  <xsd:annotation>
                    <xsd:documentation>Specify how indirection or unconformable expressions should be treating with in-memory querying and conforming.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" default="true" name="use-default-fetch-group" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the default fetch group should be used for the query.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="fetch-group" type="fetch-group">
            <xsd:annotation>
              <xsd:documentation>Allow the query to partially fetch the object.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="fetch-group-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specify a pre-defined named fetch group to allow the query to partially fetch the object.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="use-exclusive-connection" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if the exclusive connection (VPD) should be used for the query.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="joined-attribute-expressions">
            <xsd:annotation>
              <xsd:documentation>Specifies the attributes being joined.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="expression" type="expression">
                  <xsd:annotation>
                    <xsd:documentation>Represents an expression for joining</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="read-only" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Specify if objects resulting from the query are read-only, and will not be registered in the unit of work.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="false" name="outer-join-subclasses" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>For inheritance queries specify if all subclasses should be outer joined, instead of a query per subclass.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="read-all-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for a set of objects.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="object-level-read-query">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="container" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="batch-read-attribute-expressions">
            <xsd:annotation>
              <xsd:documentation>Specifies all attributes for batch reading.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="expression" type="expression">
                  <xsd:annotation>
                    <xsd:documentation>Represents an expression for batch reading</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="order-by-expressions">
            <xsd:annotation>
              <xsd:documentation>Sets the order expressions for the query.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="expression" type="expression">
                  <xsd:annotation>
                    <xsd:documentation>Represents an expression for ordering</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="read-object-query">
    <xsd:annotation>
      <xsd:documentation>Defines a query for a single object.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="object-level-read-query" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="report-query">
    <xsd:annotation>
      <xsd:documentation>Query for information about a set of objects instead of the objects themselves.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="read-all-query">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="return-choice" type="return-choice">
            <xsd:annotation>
              <xsd:documentation>Simplifies the result by only returning the first result, first value, or all attribute values.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="retrieve-primary-keys" type="retrieve-primary-keys">
            <xsd:annotation>
              <xsd:documentation>Indicates wether the primary key values should also be retrieved for the reference class.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="report-items">
            <xsd:annotation>
              <xsd:documentation>Items to be selected, these could be attributes or aggregate functions.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="item" type="report-item">
                  <xsd:annotation>
                    <xsd:documentation>Represents an item requested</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="group-by-expressions">
            <xsd:annotation>
              <xsd:documentation>Sets GROUP BY expressions for the query.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="expression" type="expression">
                  <xsd:annotation>
                    <xsd:documentation>Represents an expression for grouping</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:simpleType name="return-choice">
    <xsd:annotation>
      <xsd:documentation>Simplifies the result by only returning the first result, first value, or all attribute values.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="return-single-result" />
      <xsd:enumeration value="return-single-value" />
      <xsd:enumeration value="return-single-attribute" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="retrieve-primary-keys">
    <xsd:annotation>
      <xsd:documentation>Indicates wether the primary key values should also be retrieved for the reference class.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="full-primary-key" />
      <xsd:enumeration value="first-primary-key" />
      <xsd:enumeration value="no-primary-key" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:complexType name="report-item">
    <xsd:annotation>
      <xsd:documentation>Represents an item requested in ReportQuery.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element name="name" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Name given for item, can be used to retieve value from result.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element name="attribute-expression" type="expression">
        <xsd:annotation>
          <xsd:documentation>Expression (partial) that describes the attribute wanted.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="expression" abstract="true">
    <xsd:annotation>
      <xsd:documentation>Defines a query filter expression tree.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="criteria" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="relation-expression">
    <xsd:annotation>
      <xsd:documentation>Defines a relation expression that compares to expressions through operators such as equal, lessThan, etc..</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="expression">
        <xsd:sequence>
          <xsd:element name="left" type="expression" />
          <xsd:element name="right" type="expression" />
        </xsd:sequence>
        <xsd:attribute name="operator" type="operator" />
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="logic-expression">
    <xsd:annotation>
      <xsd:documentation>Defines a expression composed of two sub-expressions joined through an operator such as AND, OR.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="expression">
        <xsd:sequence>
          <xsd:element name="left" type="expression" />
          <xsd:element name="right" type="expression" />
        </xsd:sequence>
        <xsd:attribute name="operator" type="operator" />
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="function-expression">
    <xsd:annotation>
      <xsd:documentation>Defines a expression composed of a function applied to a list of sub-expressions.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="expression">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="arguments">
            <xsd:annotation>
              <xsd:documentation>The list of function arguments.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="expression">
                  <xsd:annotation>
                    <xsd:documentation>Defines an argument expression.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
        <xsd:attribute name="function" type="operator" />
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="constant-expression">
    <xsd:annotation>
      <xsd:documentation>Defines an expression value.  If the value is null the value tag can is absent.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="expression">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="value" type="xsd:anySimpleType" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="query-key-expression">
    <xsd:annotation>
      <xsd:documentation>Defines an expression query-key.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="expression">
        <xsd:sequence>
          <xsd:element name="base" type="expression" />
        </xsd:sequence>
        <xsd:attribute name="name" type="xsd:string" />
        <xsd:attribute name="any-of" type="xsd:boolean" />
        <xsd:attribute name="outer-join" type="xsd:boolean" />
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="field-expression">
    <xsd:annotation>
      <xsd:documentation>Defines an expression field.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="expression">
        <xsd:sequence>
          <xsd:element name="field" type="field" />
          <xsd:element name="base" type="expression" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="parameter-expression">
    <xsd:annotation>
      <xsd:documentation>Defines an expression parameter.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="expression">
        <xsd:sequence>
          <xsd:element name="parameter" type="field" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="base-expression">
    <xsd:annotation>
      <xsd:documentation>Defines an expression builder/base.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="expression" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:simpleType name="operator">
    <xsd:annotation>
      <xsd:documentation>Defines the set of valid operators.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string" />
  </xsd:simpleType>
  <xsd:complexType name="sql-call">
    <xsd:annotation>
      <xsd:documentation>Defines an SQL query language string.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="criteria">
        <xsd:sequence>
          <xsd:element name="sql" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The full SQL query string.  Arguments can be specified through #arg-name tokens in the string.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="ejbql-call">
    <xsd:annotation>
      <xsd:documentation>Defines an EJB-QL query language string.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="criteria">
        <xsd:sequence>
          <xsd:element name="ejbql" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The EJB-QL query string.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="stored-procedure-call">
    <xsd:annotation>
      <xsd:documentation>Defines a stored procedure invocation definition.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="criteria">
        <xsd:sequence>
          <xsd:element name="procedure-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the stored procedure.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="cursor-output-procedure" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Define the call to use a cursor output parameter to define the result set.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="arguments">
            <xsd:annotation>
              <xsd:documentation>The list of input and output arguments.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="procedure-argument">
                  <xsd:annotation>
                    <xsd:documentation>Defines an argument to the procedure. The order of the arguments must match the procedure arguments if not named.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="stored-function-call">
    <xsd:annotation>
      <xsd:documentation>Defines a stored function invocation definition.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="stored-procedure-call">
        <xsd:sequence>
          <xsd:element minOccurs="1" name="stored-function-result" type="procedure-output-argument">
            <xsd:annotation>
              <xsd:documentation>The return value of the stored-function.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="procedure-argument">
    <xsd:annotation>
      <xsd:documentation>Defines a stored procedure call argument.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="procedure-argument-name" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The stored procedure name of the argument. For indexed argument the name is not required.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="argument-name" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The query name of the argument. This is the name of the argument as define in the query.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="procedure-argument-type" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The fully qualified name of the argument class type.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="procedure-argument-sqltype" type="xsd:int">
        <xsd:annotation>
          <xsd:documentation>The JDBC int type of the argument, as defined in java.jdbc.Types</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="procedure-argument-sqltype-name" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The name of the type if procedure-argument-sqltype is STRUCT or ARRAY</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="argument-value" type="xsd:anySimpleType">
        <xsd:annotation>
          <xsd:documentation>The procedure argument value maybe be specified if not using a query argument.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="procedure-output-argument">
    <xsd:annotation>
      <xsd:documentation>Defines a stored procedure call output argument.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="procedure-argument" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="procedure-inoutput-argument">
    <xsd:annotation>
      <xsd:documentation>Defines a stored procedure call output argument.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="procedure-argument">
        <xsd:sequence>
          <xsd:element name="output-argument-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The query name of the argument. This is the name of the argument as define in the query.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="plsql-stored-procedure-call">
    <xsd:annotation>
      <xsd:documentation>Defines a stored procedure invocation definition whose arguments contain at least one Oracle PL/SQL type that has no JDBC representation (e.g. BOOLEAN, PLS_INTEGER, PL/SQL record).</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="criteria">
        <xsd:sequence>
          <xsd:element name="procedure-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the stored procedure.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="arguments">
            <xsd:annotation>
              <xsd:documentation>The list of input and output arguments.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="plsql-procedure-argument-type">
                  <xsd:annotation>
                    <xsd:documentation>Defines an argument to the procedure.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="plsql-procedure-argument-type" abstract="true">
    <xsd:sequence>
      <xsd:element name="name" type="xsd:string" />
      <xsd:element minOccurs="0" name="index" type="xsd:string" />
      <xsd:element minOccurs="0" name="direction" type="xsd:string" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="jdbc-type">
    <xsd:complexContent mixed="false">
      <xsd:extension base="plsql-procedure-argument-type">
        <xsd:sequence>
          <xsd:choice>
            <xsd:element minOccurs="0" name="length" type="xsd:string" />
            <xsd:sequence>
              <xsd:element name="precision" type="xsd:string" />
              <xsd:element name="scale" type="xsd:string" />
            </xsd:sequence>
          </xsd:choice>
        </xsd:sequence>
        <xsd:attribute name="type-name" type="xsd:string" />
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="plsql-type">
    <xsd:complexContent mixed="false">
      <xsd:extension base="plsql-procedure-argument-type">
        <xsd:attribute name="type-name" type="xsd:string" />
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="plsql-record">
    <xsd:complexContent mixed="false">
      <xsd:extension base="plsql-procedure-argument-type">
        <xsd:sequence>
          <xsd:element name="record-name" type="xsd:string" />
          <xsd:element name="type-name" type="xsd:string" />
          <xsd:element minOccurs="0" name="compatible-type" type="xsd:string" />
          <xsd:element minOccurs="0" name="fields">
            <xsd:annotation>
              <xsd:documentation>The list of fields.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="field" type="plsql-procedure-argument-type">
                  <xsd:annotation>
                    <xsd:documentation>Defines an argument to the procedure.</xsd:documentation>
                  </xsd:annotation>
                </xsd:element>
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="eis-class-mapping-descriptor">
    <xsd:annotation>
      <xsd:documentation>Defines a class mapping to an EIS record data structure.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="class-mapping-descriptor">
        <xsd:sequence>
          <xsd:element name="datatype" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the record structure name the descriptor maps to.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="namespace-resolver" type="namespace-resolver">
            <xsd:annotation>
              <xsd:documentation>The namespace resolver for the descriptor.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="mapped-interaction">
    <xsd:annotation>
      <xsd:documentation>Defines an EIS interaction utilizing MappedRecord.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="criteria">
        <xsd:sequence>
          <xsd:element name="function-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the function.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="input-result-path" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Optional root key if the input result is not at the record root.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="output-result-path" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Optional root key if the output result is not at the record root.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="input-arguments">
            <xsd:annotation>
              <xsd:documentation>The list of input arguments.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="interaction-argument" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="output-arguments">
            <xsd:annotation>
              <xsd:documentation>The list of output arguments.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="interaction-argument" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-interaction">
    <xsd:annotation>
      <xsd:documentation>Defines an EIS interaction utilizing XML records.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="criteria">
        <xsd:sequence>
          <xsd:element name="function-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the function.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="input-record-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name to use for the input record, if required by the adapter.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="input-root-element-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Optional root key if the output result is not at the record root.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="input-result-path" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Optional root key if the input result is not at the record root.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="output-result-path" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Optional root key if the output result is not at the record root.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="input-arguments">
            <xsd:annotation>
              <xsd:documentation>The list of input arguments.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="interaction-argument" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="output-arguments">
            <xsd:annotation>
              <xsd:documentation>The list of output arguments.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="interaction-argument" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="indexed-interaction">
    <xsd:annotation>
      <xsd:documentation>Defines an EIS interaction utilizing Indexed records.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="criteria">
        <xsd:sequence>
          <xsd:element name="function-name" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the function.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="input-arguments">
            <xsd:annotation>
              <xsd:documentation>The list of input arguments.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="interaction-argument" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
          <xsd:element minOccurs="0" name="output-arguments">
            <xsd:annotation>
              <xsd:documentation>The list of output arguments.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="interaction-argument" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="interaction-argument">
    <xsd:annotation>
      <xsd:documentation>Defines an interaction argument.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="argument-value" type="xsd:anySimpleType">
        <xsd:annotation>
          <xsd:documentation>The procedure argument value maybe be specified if not using a query argument.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string">
      <xsd:annotation>
        <xsd:documentation>The interaction name of the argument. For indexed arguments the name is not required.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
    <xsd:attribute name="argument-name" type="xsd:string">
      <xsd:annotation>
        <xsd:documentation>The query name of the argumen. This is the name of the argument as define in the query, or the descriptor field name.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
  </xsd:complexType>
  <xsd:complexType name="object-relational-class-mapping-descriptor">
    <xsd:annotation>
      <xsd:documentation>Defines a class mapping to a Structure type in an object-relational database.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relational-class-mapping-descriptor">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="structure" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the object structure type.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="field-order">
            <xsd:annotation>
              <xsd:documentation>The ordered list of the field defined in the structure.</xsd:documentation>
            </xsd:annotation>
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element maxOccurs="unbounded" name="field" type="field" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="nested-table-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a 1-m/m-m relationship that makes use of the object-relational nested-table type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relationship-mapping">
        <xsd:sequence>
          <xsd:element name="field" type="field">
            <xsd:annotation>
              <xsd:documentation>The field/column in the source table that stores the nested-table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="structure" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specify the object-relational type name of the nested-table type.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="array-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a collection of primitive/simple type values using the object-relational array type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-direct-collection-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="structure" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specify the object-relational type name of the structure type.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="object-array-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a collection of object-types using the object-relational array type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-collection-mapping">
        <xsd:sequence>
          <xsd:element name="structure" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Specify the object-relational type name of the structure type.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="structure-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a structure of object-types using the object-relational structure type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-object-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="reference-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a reference to another object-type using the object-relational reference type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="relationship-mapping">
        <xsd:sequence>
          <xsd:element name="field" type="field">
            <xsd:annotation>
              <xsd:documentation>The field in the source type that stores the reference.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="object-relational-field">
    <xsd:annotation>
      <xsd:documentation>Defines an ObjectRelationalDatabaseField</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="field">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="nested-type-field" type="field" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="direct-xml-type-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a direct mapping to an Oracle XDB XML Type.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="direct-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="read-whole-document" type="xsd:boolean" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="abstract-composite-direct-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a direct collection mapping for an XML list of elements.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element name="field" type="field" />
          <xsd:element minOccurs="0" name="value-converter" type="value-converter">
            <xsd:annotation>
              <xsd:documentation>Optionally specify how the data value should be converted to the object value.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="value-converter-class" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Optionally specify a user defined converter class.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="container" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-collection-reference-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a 1-M relationship from the source XML element to the target XML element based on a key.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="xml-object-reference-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="containerpolicy" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element name="uses-single-node" type="xsd:boolean" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-object-reference-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a 1-1 relationship from the source XML element to the target XML element based on one or more keys.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="aggregate-object-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="source-to-target-key-field-association" type="foreign-key" />
          <xsd:element minOccurs="0" name="source-to-target-key-fields">
            <xsd:complexType>
              <xsd:sequence>
                <xsd:element minOccurs="0" maxOccurs="unbounded" name="field" type="field" />
              </xsd:sequence>
            </xsd:complexType>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-composite-direct-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a direct collection mapping for an XML list of elements.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-direct-collection-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="is-cdata" type="xsd:boolean" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="eis-composite-direct-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a direct collection mapping for an XML list of elements.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-direct-collection-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="abstract-composite-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a composite collection mapping for an XML list of nested elements.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="reference-class" type="xsd:string" />
          <xsd:element name="field" type="field" />
          <xsd:element minOccurs="0" name="container" type="container-policy">
            <xsd:annotation>
              <xsd:documentation>Defines the collection type to use for the relationship.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-composite-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a composite collection mapping for an XML list of nested elements.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-collection-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="eis-composite-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a composite collection mapping for an XML list of nested elements.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-collection-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="abstract-composite-object-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a composite object mapping for an XML nested element.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="reference-class" type="xsd:string" />
          <xsd:element name="field" type="field" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-composite-object-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a composite object mapping for an XML nested element.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-object-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="null-policy" type="abstract-null-policy" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="eis-composite-object-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a composite object mapping for an XML nested element.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-object-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-class-mapping-descriptor">
    <xsd:annotation>
      <xsd:documentation>Defines a class mapping to an XML element.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="class-mapping-descriptor">
        <xsd:sequence>
          <xsd:element minOccurs="0" maxOccurs="unbounded" name="default-root-element" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The name of the element the descriptor maps to.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="default-root-element-field" type="node">
            <xsd:annotation>
              <xsd:documentation>The XMLField representing the default root element of the descriptor.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="should-preserve-document" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Indicates if nodes should be cached to preserve unmapped data</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="namespace-resolver" type="namespace-resolver">
            <xsd:annotation>
              <xsd:documentation>The namespace resolver for the descriptor.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="schema" type="schema-reference">
            <xsd:annotation>
              <xsd:documentation>The location of the XML Schema.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-any-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping of a collection to an xs:any declaration or xs:anyType element</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="field" type="field" />
          <xsd:element minOccurs="0" name="container" type="container-policy" />
          <xsd:element minOccurs="0" default="false" name="use-xml-root" type="xsd:boolean" />
          <xsd:element minOccurs="0" name="keep-as-element-policy" type="xsd:string" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-any-attribute-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping of a collection to an xs:any declaration or xs:anyType element</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="field" type="field" />
          <xsd:element minOccurs="0" name="container" type="container-policy" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-any-object-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping of a single object to an xs:any declaration</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="field" type="field" />
          <xsd:element minOccurs="0" default="false" name="use-xml-root" type="xsd:boolean" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-fragment-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping of a single Node to a fragment of an XML document</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="xml-direct-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-fragment-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping of a collection of Nodes to a fragment of an XML document</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-composite-collection-mapping" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-binary-data-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping of a binary object to base64 binary</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="xml-direct-mapping">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="is-swa-ref" type="xsd:boolean" />
          <xsd:element minOccurs="0" name="mime-type" type="xsd:string" />
          <xsd:element minOccurs="0" name="should-inline-data" type="xsd:boolean" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-choice-collection-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping of a collection to a choice structure in an xml document</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element name="container-policy" type="container-policy" />
          <xsd:element maxOccurs="unbounded" name="field-to-class-association" type="xml-choice-field-to-class-association" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-choice-object-mapping">
    <xsd:annotation>
      <xsd:documentation>Defines a mapping of a collection to a choice structure in an xml document</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="attribute-mapping">
        <xsd:sequence>
          <xsd:element maxOccurs="unbounded" name="field-to-class-association" type="xml-choice-field-to-class-association" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-choice-field-to-class-association">
    <xsd:sequence>
      <xsd:element name="xml-field" type="node" />
      <xsd:element name="class-name" type="xsd:string" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="xml-conversion-pair">
    <xsd:sequence>
      <xsd:element name="qname" type="xsd:string" />
      <xsd:element name="class-name" type="xsd:string" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="node">
    <xsd:annotation>
      <xsd:documentation>Defines an XPath expression to an element or attribute in an XML document.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="field">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="position" type="xsd:integer">
            <xsd:annotation>
              <xsd:documentation>The position of the node in the parent type.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="typed-text-field" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>If this is a typed text field.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="single-node" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Indicates if each item in the collection is in the same node instead of having one node per item in the collection</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" maxOccurs="unbounded" name="schema-type" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The schema type of the element.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" maxOccurs="unbounded" name="xml-to-java-conversion-pair" type="xml-conversion-pair" />
          <xsd:element minOccurs="0" maxOccurs="unbounded" name="java-to-xml-conversion-pair" type="xml-conversion-pair" />
          <xsd:element minOccurs="0" name="leaf-element-type" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Indicates the elements type.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="union-node">
    <xsd:annotation>
      <xsd:documentation>Use to represent nodes which are mapped to unions</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="field">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="typed-text-field" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>If this is a typed text field.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" name="single-node" type="xsd:boolean">
            <xsd:annotation>
              <xsd:documentation>Indicates if each item in the collection is in the same node instead of having one node per item in the collection</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" maxOccurs="unbounded" name="schema-type" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>The schema type of the element.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" maxOccurs="unbounded" name="xml-to-java-conversion-pair" type="xml-conversion-pair" />
          <xsd:element minOccurs="0" maxOccurs="unbounded" name="java-to-xml-conversion-pair" type="xml-conversion-pair" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="namespace-resolver">
    <xsd:sequence>
      <xsd:element minOccurs="0" maxOccurs="1" name="namespaces">
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="namespace" type="namespace" />
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
      <xsd:element minOccurs="0" maxOccurs="1" name="default-namespace-uri" type="xsd:string" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="namespace">
    <xsd:sequence>
      <xsd:element name="prefix" type="xsd:string" />
      <xsd:element name="namespace-uri" type="xsd:string" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="schema-reference">
    <xsd:sequence>
      <xsd:element minOccurs="0" name="resource" type="xsd:string" />
      <xsd:element name="schema-context" type="xsd:string" />
      <xsd:element name="node-type" type="xsd:string" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="schema-class-path-reference">
    <xsd:complexContent mixed="false">
      <xsd:extension base="schema-reference" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="schema-file-reference">
    <xsd:complexContent mixed="false">
      <xsd:extension base="schema-reference" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="schema-url-reference">
    <xsd:complexContent mixed="false">
      <xsd:extension base="schema-reference" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:simpleType name="java-character">
    <xsd:restriction base="xsd:string" />
  </xsd:simpleType>
  <xsd:simpleType name="java-timestamp">
    <xsd:restriction base="xsd:dateTime" />
  </xsd:simpleType>
  <xsd:simpleType name="java-util-date">
    <xsd:restriction base="xsd:dateTime" />
  </xsd:simpleType>
  <xsd:complexType name="cmp-policy">
    <xsd:sequence>
      <xsd:element minOccurs="0" name="pessimistic-locking" type="pessimistic-locking">
        <xsd:annotation>
          <xsd:documentation>Defines the cmp bean-level pessimistic locking policy.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="defer-until-commit" type="defer-until-commit">
        <xsd:annotation>
          <xsd:documentation>Defines modification deferral level for non-deferred writes.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="non-deferred-create-time" type="non-deferred-create-time">
        <xsd:annotation>
          <xsd:documentation>Defines point at which insert will be issued to Database.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="pessimistic-locking">
    <xsd:sequence>
      <xsd:element minOccurs="0" default="wait" name="locking-mode" type="locking-mode" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:simpleType name="defer-until-commit">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="all-modifications" />
      <xsd:enumeration value="update-modifications" />
      <xsd:enumeration value="none" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="non-deferred-create-time">
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="after-ejbcreate" />
      <xsd:enumeration value="after-ejbpostcreate" />
      <xsd:enumeration value="undefined" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="locking-mode">
    <xsd:annotation>
      <xsd:documentation>Holds the pessimistic locking mode.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="wait" />
      <xsd:enumeration value="no-wait" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:complexType name="sequence">
    <xsd:annotation>
      <xsd:documentation>Sequence object.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" default="" name="name" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>Sequence name.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" default="50" name="preallocation-size" type="xsd:integer">
        <xsd:annotation>
          <xsd:documentation>Sequence preallocation size.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="default-sequence">
    <xsd:annotation>
      <xsd:documentation>References default sequence object, overriding its name and (optionally) preallocation size.</xsd:documentation>
      <xsd:documentation>To use preallocation size of default sequence object, set preallocation size to 0</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="sequence" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="native-sequence">
    <xsd:annotation>
      <xsd:documentation>Database sequence mechanism used.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="sequence" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="table-sequence">
    <xsd:annotation>
      <xsd:documentation>Table sequence</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="sequence">
        <xsd:sequence>
          <xsd:element minOccurs="0" default="SEQUENCE" name="table" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Define the name of the sequence table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="SEQ_NAME" name="name-field" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Define the name of the sequence name field in the sequence table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="SEQ_COUNT" name="counter-field" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Define the name of the sequence counter field in the sequence table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="unary-table-sequence">
    <xsd:annotation>
      <xsd:documentation>Unary table sequence - sequence name is a table name, table has a single field and a single row</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="sequence">
        <xsd:sequence>
          <xsd:element minOccurs="0" default="SEQUENCE" name="counter-field" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Define the name of the sequence counter field in the sequence table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xmlfile-sequence">
    <xsd:annotation>
      <xsd:documentation>Xmlfile sequence.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="sequence" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="xml-sequence">
    <xsd:annotation>
      <xsd:documentation>Xml sequence</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="sequence">
        <xsd:sequence>
          <xsd:element minOccurs="0" default="SEQUENCE" name="root-element" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Define the name of the sequence table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="SEQ_NAME" name="name-element" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Define the name of the sequence name field in the sequence table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
          <xsd:element minOccurs="0" default="SEQ_COUNT" name="counter-element" type="xsd:string">
            <xsd:annotation>
              <xsd:documentation>Define the name of the sequence counter field in the sequence table.</xsd:documentation>
            </xsd:annotation>
          </xsd:element>
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="fetch-groups">
    <xsd:annotation>
      <xsd:documentation>Contains all pre-defined fetch groups.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="default-fetch-group" type="fetch-group" />
      <xsd:element minOccurs="0" maxOccurs="unbounded" name="fetch-group" type="fetch-group" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="fetch-group">
    <xsd:annotation>
      <xsd:documentation>Contains the fetch group attributes info.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="name" type="xsd:string" />
      <xsd:element name="fetch-group-attributes">
        <xsd:complexType>
          <xsd:annotation>
            <xsd:documentation>Contains a fetch group's attribute list.</xsd:documentation>
          </xsd:annotation>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="fetch-group-attribute" type="xsd:string" />
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="change-policy">
    <xsd:annotation>
      <xsd:documentation>Describes the change tracking policy for this descriptor.</xsd:documentation>
    </xsd:annotation>
  </xsd:complexType>
  <xsd:complexType name="deferred-detection-change-policy">
    <xsd:annotation>
      <xsd:documentation>Uses backup clone to detect changes.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="change-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="object-level-change-policy">
    <xsd:annotation>
      <xsd:documentation>Uses "mark dirty" to detect changes.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="change-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="attribute-level-change-policy">
    <xsd:annotation>
      <xsd:documentation>Uses a ChangeTracker firing PropertyChangeEvent's to detect changes.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="change-policy" />
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="abstract-null-policy">
    <xsd:annotation>
      <xsd:documentation>Defines the Null Policy in use for this relationship currently a choice of [NullPolicy and IsSetNullPolicy].</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" default="false" name="xsi-nil-represents-null" type="xsd:boolean" />
      <xsd:element minOccurs="0" default="false" name="empty-node-represents-null" type="xsd:boolean" />
      <xsd:element minOccurs="0" name="null-representation-for-xml" type="marshal-null-representation" />
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="null-policy">
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-null-policy">
        <xsd:sequence>
          <xsd:element minOccurs="0" default="true" name="is-set-performed-for-absent-node" type="xsd:boolean" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="is-set-null-policy">
    <xsd:complexContent mixed="false">
      <xsd:extension base="abstract-null-policy">
        <xsd:sequence>
          <xsd:element minOccurs="0" name="is-set-method-name" type="xsd:string" />
          <xsd:element minOccurs="0" maxOccurs="unbounded" name="is-set-parameter-type" type="xsd:string" />
          <xsd:element minOccurs="0" maxOccurs="unbounded" name="is-set-parameter" type="xsd:string" />
        </xsd:sequence>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:simpleType name="marshal-null-representation">
    <xsd:annotation>
      <xsd:documentation>Write null, no tag(default) or an empty tag.</xsd:documentation>
    </xsd:annotation>
    <xsd:restriction base="xsd:string">
      <xsd:enumeration value="XSI_NIL" />
      <xsd:enumeration value="ABSENT_NODE" />
      <xsd:enumeration value="EMPTY_NODE" />
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:complexType name="field">
    <xsd:annotation>
      <xsd:documentation>Defines a generic field concept, such as a database column.</xsd:documentation>
    </xsd:annotation>
    <xsd:attribute name="name" type="xsd:string">
      <xsd:annotation>
        <xsd:documentation>The name of the field.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
  </xsd:complexType>
  <xsd:complexType name="column">
    <xsd:annotation>
      <xsd:documentation>Defines a column in a relational database table.</xsd:documentation>
    </xsd:annotation>
    <xsd:complexContent mixed="false">
      <xsd:extension base="field">
        <xsd:attribute name="table" type="xsd:string">
          <xsd:annotation>
            <xsd:documentation>The name of the column's table. This table must be listed in the class' tables. If not specified the first table of the class will be used.</xsd:documentation>
          </xsd:annotation>
        </xsd:attribute>
      </xsd:extension>
    </xsd:complexContent>
  </xsd:complexType>
  <xsd:complexType name="foreign-key">
    <xsd:annotation>
      <xsd:documentation>The list of source/target field/column references relating a foreign key in one table to the primary or unique key in another table.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element maxOccurs="unbounded" name="field-reference">
        <xsd:annotation>
          <xsd:documentation>The reference of a source table foreign key and a target table primary key.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element name="source-field" type="field">
              <xsd:annotation>
                <xsd:documentation>The foreign key field/column name in the source table.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
            <xsd:element name="target-field" type="field">
              <xsd:annotation>
                <xsd:documentation>The primary or unique key field/column name in the target table.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
  </xsd:complexType>
  <xsd:complexType name="query">
    <xsd:annotation>
      <xsd:documentation>Defines a query specification for querying instances of the class.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="criteria" type="criteria">
        <xsd:annotation>
          <xsd:documentation>The selection criteria of the query.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="arguments">
        <xsd:annotation>
          <xsd:documentation>The list of query arguments. The order of the argument must match the order of the argument value passed to the query.</xsd:documentation>
        </xsd:annotation>
        <xsd:complexType>
          <xsd:sequence>
            <xsd:element minOccurs="0" maxOccurs="unbounded" name="argument" type="query-argument">
              <xsd:annotation>
                <xsd:documentation>The query argument.</xsd:documentation>
              </xsd:annotation>
            </xsd:element>
          </xsd:sequence>
        </xsd:complexType>
      </xsd:element>
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string">
      <xsd:annotation>
        <xsd:documentation>The name of the query.  This name can be used to reference and execute the query.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
  </xsd:complexType>
  <xsd:complexType name="criteria">
    <xsd:annotation>
      <xsd:documentation>Defines the filtering clause of a query.</xsd:documentation>
    </xsd:annotation>
  </xsd:complexType>
  <xsd:complexType name="query-argument">
    <xsd:annotation>
      <xsd:documentation>Defines a query argument.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element minOccurs="0" name="type" type="xsd:string">
        <xsd:annotation>
          <xsd:documentation>The fully qualified class type name of the argument may be provided.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
      <xsd:element minOccurs="0" name="value" type="xsd:anySimpleType">
        <xsd:annotation>
          <xsd:documentation>Optional constant value for the argument.</xsd:documentation>
        </xsd:annotation>
      </xsd:element>
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string">
      <xsd:annotation>
        <xsd:documentation>The name of the query argument.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
  </xsd:complexType>
  <xsd:complexType name="property">
    <xsd:annotation>
      <xsd:documentation>A user defined property.</xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
      <xsd:element name="value" type="xsd:anyType" />
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string" />
  </xsd:complexType>
  <xsd:complexType name="table">
    <xsd:annotation>
      <xsd:documentation>The list of tables that the class is persisted to.  This is typically a single table but can be multiple, or empty for inheritance or aggregated classes.</xsd:documentation>
    </xsd:annotation>
    <xsd:attribute name="name" type="xsd:string">
      <xsd:annotation>
        <xsd:documentation>The name of the table.  The name can be fully qualified with the schema, tablespace or link.</xsd:documentation>
      </xsd:annotation>
    </xsd:attribute>
  </xsd:complexType>
  <xsd:complexType name="value-converter">
    <xsd:annotation>
      <xsd:documentation>
        Specifies how the data value should be converted to the
        object value.
      </xsd:documentation>
    </xsd:annotation>
  </xsd:complexType>
</xsd:schema>
