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From Eclipsepedia

This page is obsolete.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

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. About the persistence.xml file Specifying the persistence unit

Step 2 Annotate classes with @Entity, @Embeddable, and @MappedSuperClass and/or define classes in your mapping file (orm.xml). Configuring an entity EclipseLink extensions

Step 3 Configure your application with: javax.persistence.transactionType javax.persistence.jtaDataSource javax.persistence.nonJtaDataSource Application development Packaging and deployment