Hi everyone,

I've a question about progressnotification.

I have a standalone java client app which should invoke an long running 
calculation on an enterprise java bean. The calculation is realy heavy work 
which will take maybe hours. While work is in progress I want to show some kind 
of progressbar in the app client, which updates to the current state every 10 
seconds or so. 

How can I implement such a cenario? Do I need a message queue and the 
calculator bean posts its current state into it and the clients reads the 
current state out of it? Or is there a type of listener I can use?

I want to implement this cenario with EJB3.

Please help,

thx Meikel

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