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I am assuming that when ever customer clicks on change itineray use case he should be forced to login where log in use case will be executed. Is this assumption correct ?
If the above is correct then My question here is can i call from customer delegate direcly the customer entity ejb for authntciating user credentials without using a facade in between and similarly when authentication is successfull the customercontroller-->ItineraryDelegate-->ItineraryEJB without using facade to fetch the results back.