But could someone confirm that EJB does support mapping a collection, and can 
load the items into the collection when the object is fetched?  I see chapters 
on that in this book but I don't see any evidence that it is possible.

I notice that when I persist my Customer object, the collection is never 
changed.  Upon persistence, the collection should be converted into a proxy, 
but this obviously does not happen, leading me to wonder if EJB is even capable 
of doing that.  If I were programming it, I would have the 
EntityManager.persist() method go through and call setters on all the objects 
it is persisting to replace their Collections with EJB proxies, but it ignores 
them.  Either EJB doesn't support that use, or there is a bug in the EJB 
implementation.


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