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The Apache OpenJPA community is proud to provide a Milestone 3 distribution of OpenJPA 2.0. This distribution is based on the 20090922 Proposed Final Draft 2 of the JSR-317 JPA 2.0 specification. Included are many enhancements, fixes, and new functionality; giving developers early access to many key features of JPA 2.0. Some of the key features included in this distribution:

• JSR-317 JPA 2.0 API and schemas support based on the Proposed Final Draft 2 (20090922) of the APIs and schemas.
• JSR-303 Bean Validation support based on the 1.0.CR5 level of the APIs and schema.
• No Bean Validation API or provider is included with OpenJPA, but either the Hibernate RI v4.0.0 CR1 or Agimatec Validation v0.9.3 can be used.
• Many documentation updates and automatic setting of compatibility options based on persistence version.
• Support for the Criteria and Metamodel API, which can be used together to create and execute strongly-typed programmatic queries.
• Metamodel source file generation.
• Support for cascading detach using cascade-detach as specified in the orm.xml.
• Assertion that relationships in MappedSuperclass are unidirectional.
• Support for the TypedQuery and Tuple interfaces.
• Support for naming of unique constraints.
• Lob, Temporal, and Enumeration can now be specified on element collections.
• JPQL now supports multiple constructors in the query projection list.
• Support for the shared-cache-mode element in the persistence.xml.
• Support for Cacheable annotation and CacheStoreMode/CacheRetriveMode properties.
• Support for JDBC date, time, and timestamp literals within JPQL and Criteria queries.
• Significant improvements to OpenJPA's subquery processing.
• Performance enhancements to class reflection utility.
• OpenJPA now includes the ability to use a pluggable encryption provider.
• New example which showcases the use of embeddables.
• Improved test coverage for many database platforms and separation of database support into verified and compatible categories.
• Many more...

This early access distribution is based upon the contributions provided in development iterations 8 through 12, as defined in the JPA 2.0 Roadmap. The JPA 2.0 Roadmap contains a complete list of features and feature summaries, including what is on deck for future iterations.

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Apache OpenJPA is bundled with the schemas from the JPA specifications, by Sun Microsystems and licensed under the CDDL 1.0. The source code is available at: https://glassfish.dev.java.net/source/browse/glassfish/^{Image Removed}

Please review the LICENSE and NOTICE files in svn, source or binary distributions for more details.

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Source Assemblies

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