EclipseLink/UserGuide/Developing JPA Projects (ELUG)

For the latest EclipseLink documentation, please see http://www.eclipse.org/eclipselink/documentation/

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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

EclipseLink User's Guide

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

• Introduction to Java Persistence API

• Introduction to EclipseLink JPA

• Using EclipseLink JPA Extensions

• Configuring a EclipseLink JPA Application – contains information on how to configure the EclipseLink persistence project, as well as set up the application configuration and packaging.

• Developing Applications Using EclipseLink JPA – describes the actual steps you have to perform to develop your EclipseLink JPA application.

• Packaging and Deploying EclipseLink JPA Applications

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