# Extended Item Generation-Time Support

###### Identifier:

org.eclipse.birt.report.engine.reportitemgeneration

###### Since:

1.0

###### Description:

This extension point specifies how the new report item should be instantiated, processed, and persisted at report generation time. In a server environment, the plugin registry uses this extension point registration to discover supported report item extensions.

###### Configuration Markup:

<!ELEMENT extension (reportItem* | reportItemExecutor*)>

<!ATTLIST extension

point CDATA #REQUIRED

id CDATA #IMPLIED

name CDATA #IMPLIED

>

- point - a fully qualified identifier of the target extension point
- id - an optional identifier of the extension instance
- name - an optional name of the extension instance

<!ELEMENT reportItem EMPTY>

<!ATTLIST reportItem

name CDATA #REQUIRED

class CDATA #REQUIRED

>

- name - the unique name of the extended item, i.e., "org.eclipse.birt.chart" for chart extension.
- class - the fully qualified name of the java class that implements `IReportItemGeneration`

<!ELEMENT reportItemExecutor EMPTY>

<!ATTLIST reportItemExecutor

name CDATA #REQUIRED

class CDATA #REQUIRED

>

- name -
- class -

###### Examples:

The following is a sample usage of the reportItemGeneration extension point:

    <extension point="org.eclipse.birt.report.engine.reportitemGeneration" name="chart generation extension">
      <reportItem name="chart" class="org.eclipse.birt.report.chartitem.ChartGeneration" createReportQuery="item"/>
     </extension>

###### Supplied Implementation:

Chart as an extended item

Copyright (c) 2005 Actuate Corporation. All rights reserved. This program and the accompanying materials are made available under the terms of the Eclipse Public License v1.0 which accompanies this distribution, and is available at http://www.eclipse.org/legal/epl-v10.html
Contributors: Actuate Corporation - initial API and implementation