[jboss-user] [EJB 3.0] - Re: @EmbeddedId vs. @IdClass - when shall I use what?

[fhh]

IMHO @EmbeddedId should be used when the combined pk is either a meaningful entity itself or it reused in your code.

@IdClass is useful to specify that some combination of fields is unique but these do not have a special meaning.

Regards

Felix

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