EasyBeans is an open source implementation by ObjectWeb of the EJB3 container specification.
Project Developer WikiTable of Contents
EJB3 is included in the next J2EE specification, JAVA EE 5. ( http://java.sun.com/javaee/5/ )
The EJB3 specification is defined in JSR 220, which can be found at the following location: http://www.jcp.org/en/jsr/detail?id=220
The publication is published as three separate files:
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The core
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The persistence provider
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The simplified specification, which contains new features
The EJB3 persistence provider is plugged into the EJB3 container. Available persistence providers are: Hibernate EntityManager, Apache OpenJPA, TopLink Essentials, and Eclipse Link etc.