About

EclipseLink delivers a comprehensive open-source Java persistence solution implemeting:

Classpath

Eclipselink Classpath

Parts

JPA

EclipseLink JPA provides advanced support for leading relational databases and Java containers.

Maven Dependency:

<dependency>
    <groupId>org.eclipse.persistence</groupId>
    <artifactId>eclipselink</artifactId>
    <version>2.5.2-M1</version>
    <exclusions>
        <exclusion>
            <groupId>org.eclipse.persistence</groupId>
            <artifactId>commonj.sdo</artifactId>
            </exclusion>
     </exclusions>
</dependency>

Provider data in the persistence.xml file

<provider>org.eclipse.persistence.jpa.PersistenceProvider</provider>

DBWS

The EclipseLink DBWS (Database Web Service) component enables Java developers a declarative Web Service solution for accessing relational databases.

Workbench

The Workbench is a design time tool for editing EclipseLink metadata.

Documentation / Reference