Difference between revisions of "EclipseLink/UserGuide/JPA/Advanced JPA Development/Composite Persistence Units"
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Revision as of 10:12, 20 June 2011
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Composite Persitence Units
This feature is new in EclipseLink 2.3.
This page is under development.
You can store mapping information outside an application and then the mapping information retrieved when the application's persistence unit is created. This feature can be used for any mapping customization including Extensible JPA Entities.