"alex.guizar(a)jboss.com" wrote : The facade between the ExpressionAssignmentHandler and the identity component already exists, it is the ExpressionSession. However, one cannot specify a different implementation of the session without subclassing the handler. We need to address this, as well as the overlap with IdentityService. | i wasn't aware that there was an expression session. indeed that needs cleaning up. "kukeltje" wrote : Hmmm I think I understand what you mean, but because of simplicity, I'd still merge them. i'm still chewing on it, but i think this could be a great summary of the whole discussion :-) Great input, guys. I'll keep you posted on the progress. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4137289#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...