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srdemart: Sorry, but I'm not quite following you.  If a client issues a cascading delete on a root object containing 10,000 objects (config'd to cascade down the full graph).  And I have a external listener attached to ''Deleting'' on the client's ObjectContainer, won't the ObjectServer send 10,000 calls to the client listener?  ...

I don't think there is a problem. When an object is deleted on a client by issueing a toplevel ObjectContainer#delete() call, the server is notified about it, just about this one single object. The actual delete happens on the server. If some kind of action needs to be taken with callbacks, this will happen on the server, without sending any ...