EclipseLink/UserGuide/Developing JPA Projects (ELUG)

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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


EclipseLink User's Guide

The following sections describe the Java Persistence API, including the EclipseLink implementation:


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