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Difference between revisions of "EclipseLink/UserGuide/JPA/2.4/schema"
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|title=Java Persistence API (JPA) Extensions Reference for EclipseLink}} | |title=Java Persistence API (JPA) Extensions Reference for EclipseLink}} | ||
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| + | [[Image:Elug_guide_icon.png|Contents]][[EclipseLink/UserGuide/JPA/2.4/toc| Contents]] | ||
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| + | [[EclipseLink/UserGuide/JPA/2.4/q_refresh_cache| Previous ]]<span class="previouslink">[[Image:Elug_previous_icon.png|Previous]]</span> | ||
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| + | [[Image:Elug_draft_icon.png|Warning]]Beta Draft: 2012-06-15 | ||
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| + | =<span class="secnum">5</span> eclipselink-orm.xml Schema Reference= | ||
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| + | You can use EclipseLink's native metadata XML file, <code>eclipselink-orm.xml</code>, to override mappings defined in the JPA configuration file (<code>orm.xml</code>) and to provide extended ORM features. | ||
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| + | [[Image:Elug_note_icon.png|Note]] '''Note:''' | ||
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| + | Using the <code>eclipselink-orm.xml</code> mapping file enables many EclipseLink advanced features, but it may prevent the persistence unit from being portable to other JPA implementations. | ||
| + | |} | ||
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| + | The <code>eclipselink-orm.xml</code> file defines object-relational mapping metadata for EclipseLink. It is built from the existing <code>orm.xml</code> file which makes it more intuitive, requires minimum configuration, and makes it easy to override. | ||
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| + | For more information, see: | ||
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| + | * Section 12.2 "XML Overriding Rules" in the JPA Specification | ||
| + | * <code>http://wiki.eclipse.org/EclipseLink/UserGuide/JPA/Basic_JPA_Development/Configuration/JPA/orm.xml</code> | ||
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| + | The schema for EclipseLink is <code>eclipselink_orm_X_X.xsd</code> where X_X is the current EclipseLink version number (such as <code>2_4</code> for '''2.4'''). All EclipseLink schemas are available from <code>http://wiki.eclipse.org/EclipseLink/XSDs</code>. | ||
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| + | [[EclipseLink/UserGuide/JPA/2.4/q_refresh_cache| Previous ]]<span class="previouslink">[[Image:Elug_previous_icon.png|Previous]]</span> | ||
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| + | [[EclipseLink/UserGuide/JPA/2.4/schema001| Next ]][[Image:Elug_next_icon.png|Next]] | ||
| + | |} | ||
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| + | [[Image:Eclipselink-logo.gif|150px|EclispeLink]]<br />[[Image:Elug_home_icon.png|EclipseLink logo]] [http://www.eclipse.org/eclipselink/ EclipseLink Home] • [[Image:Elug_pdf.png|PDF]] PDF (coming soon)<br /> | ||
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| + | [[Image:Elug_guide_icon.png|Contents]][[EclipseLink/UserGuide/JPA/2.4/toc| Contents]] | ||
| + | |} | ||
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Revision as of 13:56, 15 June 2012
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Beta Draft: 2012-06-15
5 eclipselink-orm.xml Schema Reference
You can use EclipseLink's native metadata XML file, eclipselink-orm.xml, to override mappings defined in the JPA configuration file (orm.xml) and to provide extended ORM features.
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Using the
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The eclipselink-orm.xml file defines object-relational mapping metadata for EclipseLink. It is built from the existing orm.xml file which makes it more intuitive, requires minimum configuration, and makes it easy to override.
For more information, see:
- Section 12.2 "XML Overriding Rules" in the JPA Specification
-
http://wiki.eclipse.org/EclipseLink/UserGuide/JPA/Basic_JPA_Development/Configuration/JPA/orm.xml
The schema for EclipseLink is eclipselink_orm_X_X.xsd where X_X is the current EclipseLink version number (such as 2_4 for 2.4). All EclipseLink schemas are available from http://wiki.eclipse.org/EclipseLink/XSDs.
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