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EclipseLink/FAQ/General
Contents
What is EclipseLink?
Eclipse Persistence Services Project (EclipseLink) is a comprehensive persistence framework delivering a set of persistence services based around leading standards with advanced extensions. Consumers can use EclipseLink within Java EE, SE, and soon OSGi/Equinox environments.
The original source contribution for EclipseLink came from Oracle Corporation's TopLink product.
See Introduction to EclipseLink in the EclipseLink User's Guide for more information.
EclipseLink Components
The EclipseLink project is broken down into several components to organize development and produce functional OSGi/Equinox bundles.
- Foundation
- JPA
- MOXy
- SDO
- DBWS
- EIS
- Utils
Foundation Component
The Foundation component is core of the EclipseLink project delivering common infrastructure used by all other components. This component can be used for EclipseLink's native Object-Relational and Object-XML mapping capabilities.
JPA Component
The JPA component is focussed on delivering a Java Persistence API (JPA). Additional extensions leveraging EclipseLink's advanced native object-relational features using standard JPA extension points and native annotations are also supported. This is the recommended approach for new users of EclipseLink targeting relational data sources.
Early access to JPA 2.0 capabilities will be introduced in this component.