[jboss-user] [JBoss Seam] - Re: Avoiding the DRY Principle with beans

[bruce@dpi]

The generics example above uses the @PersistenceContext annotation in an abstract superclass:

public abstract class PersistentBean  implements Serializable, PersistentLocal {
    
    @PersistenceContext(unitName="hrsystem",
    type=PersistenceContextType.EXTENDED)
    private EntityManager entityManager;
    
    // Other code which I have omitted

}

Can anyone point me to EJB3 documentation which specifies that using the @PersistenceContext in an abstract superclass is valid according to the specification and will therefore be portable across application servers?

Thanks.


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