[news.eclipse.rt.eclipselink] Re: @ManyToOne relation problem

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[news.eclipse.rt.eclipselink] Re: @ManyToOne relation problem

From: james.sutherland@xxxxxxxxxx (James )
Date: Wed, 15 Apr 2009 13:32:08 +0000 (UTC)
Newsgroups: eclipse.rt.eclipselink
Organization: Eclipse
User-agent: NewsPortal/0.36 (http://florian-amrhein.de/newsportal)

JPA only allows relationships to be define using foreign keys (JoinColumn). However in EclipseLink you can define complex relationships such as this using the Expression criteria API and a DescriptorCustomizer.

See,
http://wiki.eclipse.org/EclipseLink/Examples/JPA/MappingSelectionCriteria

---
James
http://www.nabble.com/EclipseLink---Users-f26658.html

References:
- [news.eclipse.rt.eclipselink] @ManyToOne relation problem
  - From: Benoit Montes

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