org.eclipse.smila.ontology.records
Class SesameRecordHelper

java.lang.Object
  org.eclipse.smila.ontology.records.SesameRecordHelper

public abstract class SesameRecordHelper
extends java.lang.Object

Helper class defining constants and utility methods for the mapping of SMILA records to Sesame ontology objects.

Author:

jschumacher

Field Summary

static java.lang.String	ANNOTATION_LANG name of attribute containing the locale of a statement.
static java.lang.String	ATTRIBUTE_DELETE_ALL name of attribute value describing that an object should be cleared before adding new values.
static java.lang.String	ATTRIBUTE_DELETE_PROPERTIES name of attribute value describing that properties should be cleared before adding new values.
static java.lang.String	ATTRIBUTE_OBJECT_PROPERTIES value of attribute describing that a property contains object references.
static java.lang.String	ATTRIBUTE_REVERSE_PROPERTIES value of attribute describing that a property should be written reverse.
static java.lang.String	ATTRIBUTE_TYPE name of attribute that contains the RDF type of the resource represented by a record.
static java.lang.String	ATTRIBUTE_URI name of attribute that contains the URI of the resource represented by a record.
static java.lang.String	LOCALE_ALL locale value for "all locales".
static java.lang.String	PREFIX_SYSTEM_ATTRIBUTE_NAMES The prefix of system attributes which will be ignored when writing records to Sesame.
static java.lang.String	SEMTYPE_RESOURCE semantic type of string literals that correspond to resource property values in MDS.
static java.lang.String	SESAME_SOURCE dummy source value for IDs of newly created records.

Method Summary

static java.lang.String

getLanguage(Any literal) get language annotation from literal, if present.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SESAME_SOURCE

public static final java.lang.String SESAME_SOURCE

dummy source value for IDs of newly created records.

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Constant Field Values

ATTRIBUTE_URI

public static final java.lang.String ATTRIBUTE_URI

name of attribute that contains the URI of the resource represented by a record.

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Constant Field Values

ATTRIBUTE_TYPE

public static final java.lang.String ATTRIBUTE_TYPE

name of attribute that contains the RDF type of the resource represented by a record.

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Constant Field Values

SEMTYPE_RESOURCE

public static final java.lang.String SEMTYPE_RESOURCE

semantic type of string literals that correspond to resource property values in MDS.

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Constant Field Values

ANNOTATION_LANG

public static final java.lang.String ANNOTATION_LANG

name of attribute containing the locale of a statement.

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Constant Field Values

ATTRIBUTE_DELETE_ALL

public static final java.lang.String ATTRIBUTE_DELETE_ALL

name of attribute value describing that an object should be cleared before adding new values.

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Constant Field Values

ATTRIBUTE_DELETE_PROPERTIES

public static final java.lang.String ATTRIBUTE_DELETE_PROPERTIES

name of attribute value describing that properties should be cleared before adding new values.

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Constant Field Values

ATTRIBUTE_REVERSE_PROPERTIES

public static final java.lang.String ATTRIBUTE_REVERSE_PROPERTIES

value of attribute describing that a property should be written reverse.

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Constant Field Values

ATTRIBUTE_OBJECT_PROPERTIES

public static final java.lang.String ATTRIBUTE_OBJECT_PROPERTIES

value of attribute describing that a property contains object references. reverse properties also must only contain object references.

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Constant Field Values

PREFIX_SYSTEM_ATTRIBUTE_NAMES

public static final java.lang.String PREFIX_SYSTEM_ATTRIBUTE_NAMES

The prefix of system attributes which will be ignored when writing records to Sesame.

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Constant Field Values

LOCALE_ALL

public static final java.lang.String LOCALE_ALL

locale value for "all locales".

See Also:

Constant Field Values

Method Detail

getLanguage

public static java.lang.String getLanguage(Any literal)

get language annotation from literal, if present. The first value is going to be retrieved.

   <rec:Map key="rdfs:label">
     <rec:Val key="de>SMILA</rec:Val>
     <rec:Val key="en">SMILA</rec:Val>
   </rec:Map>
 

Parameters:

literal - literal

Returns:

language of literal, or null, if not set.