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Revision as of 18:58, 3 June 2010
EclipseLink 2.1.0 Release Notes
The EclipseLink 2.1 (Helios) release focuses on providing advanced persistence features for user of relational, XML and Web Services to expose advanced persistence features that naturally extend the industry standards in these spaces.
Release under development see 2.1.0 Plan
Contents
Download EclipseLink 2.1.0
- Repositories
- Helios
- EclipseLink 2.1
- Maven
- Complete Install (zip)
New and Noteworthy
- JPA
- New NetWeaver Server Platform
- Advanced Querying
- Casting using TREAT AS
- Batch reading extended to add IN and EXISTS mode to JOIN
- FUNC support in criteria and JPQL to invoke database functions
- Advanced Configuration of JPA extensions using eclipselink-orm.xml files
- Extended AttributeGroup support for Fetch, Load, Copy & Merge
- Dynamic Persistence: Bootstrap from eclipselink-orm.xml, API, or native XML
- MOXy
- JAXB 2.2 Compliant
- Advanced Configuration using eclipselink-oxm.xml to externalize JAXB and extended mappings
- Dynamic Persistence from XSD or XML config
- SDO
- DBWS
Known Issues
OSGi and JPA
In order to use EclipseLink 2.1 OSGi, you must use the org.eclipse.persistence.jpa included with this release. This bundle provides support for Gemini, the reference implementation for the OSGI Java EE integration specification.
Resolved Issues
In addition to the features highlighted in the New and Noteworthy section this release also includes a substantial number of bug fixes and enhancement requests.
Property Name Generation from Introspector.decapitalize
The decapitalize method will now leave the property name in uppercase if the first and second characters are uppercase. EclipseLink will use the property name as ID, as detailed in the specification.
Note that this may require a change in some JPQL. For example, if previously you had a method with an annotation such as getCCustomers that would have properties named cCustomers, you will now have Customers.
Retention Policy
The EclipseLink 2.1 (Helios) release will remain available for download from the primary download page until the next release is shipped. At that point it will be moved to the previous releases where it remain for a minimum period of 2 years before becoming available for archival.
Future Releases
For more information about future planned EclipseLink releases and patch sets please refer to the releases section of the project summary.