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Category:JPA

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Warning This page is obsolete. Please see the EclipseLink Documentation Center for current information.


Eclipselink jpa.png This page lists all sections in the EclipseLink User's Guide 1.x for JPA (Java Persistence API) projects. You can also use EclipseLink's Native ORM support to extend JPA.


Developing Applications using EclipseLink JPA

Step 1

Define your persistence units in persistence.xml.

Step 2

Annotate classes with @Entity, @Embeddable, and @MappedSuperClass and/or define classes in your mapping file (orm.xml).

Step 3

Configure your application with:

  • javax.persistence.transactionType
  • javax.persistence.jtaDataSource
  • javax.persistence.nonJtaDataSource