EclipseLink/Development/2.1/AdvancedJPA

EclipseLink 2.1: Advanced JPA

This page captures the work performed for the EclipseLink 2.2 release targeting advanced JPA mapping options. The goal is to increase the number of advanced ORM features that can be accessed through JPA leveraging standard extension points, custom annotations, and custom XML.

EntityManager

• Historical EntityManager
• EMF Broker

Mapping/Descriptor

• Additional Join (filter) on entity types and relationship mappings
• Instantiation Policy
• Historical Mapping
• Unary Table Sequencing

Querying

• Define additional FetchGroups using annotations or XML
• Additional operators
• user defined operators

Eclipselink ORM

The following bugs were completed for the EclipseLink 2.2 release. Individual bugs will contain more information on the design and implementation.

Bug number	Description	Status
bug 227219	Expand EclipseLink-ORM.XML schema functionality for 2.1 release	Completed
bug 296289	Add current annotation metadata support on mapped superclasses	Completed
bug 296612	Add current annotation only metadata support of return insert/update	Completed
bug 211323	Class extractor support	Completed
bug 211324	Additional event(s) support	Completed
bug 211322	Fetch-group(s) support	Completed
bug 253083	Support for dynamic persistence using ORM.xml/eclipselink-orm.xml	Completed
bug 303632	attribute-type for mapping attributes (Dynamic persistence)	Completed
bug 267217	VIRTUAL Access Type (Dynamic persistence)	Completed
bug 307050	VIRTUAL Access Type Defaults (Dynamic persistence)	Completed
bug 309373	Add parent class element to EclipseLink-ORM (Dynamic persistence)	Completed

Database Specific Features

Oracle

• Spatial mapping and querying
• XML Type mapping and querying