Hi Harald,
With regard to your comments about JPA.... JPA 2.0 provides standardization across persistence provider vendors for the functionality defined by the specification. Persistence providers that claim JPA 2.0 compatibility must pass a suite of certification tests (TCK). When you enter the realm of provider-specific features, of course such portability guarantees cannot apply. As the JPA technology evolves, we will be standardizing on more of these. For example, user-defined types are likely to be added in the next release.
The JPA expert group takes very seriously feedback regarding features that should be added to the spec. You can send such feedback to the expert group at jsr-317-feedback_at_sun.com
thanks,
Linda[b][/b]
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