refresh views after calculation in thread have finished

Andre Schmidt <[email protected]>
Newsgroups gmane.comp.jakarta.pluto.user
Message-ID <[email protected]>
Hi!
Im new to this list, and i'm developing an JSR168 portlet.
On ActionRequest i start a thread that calculates something. While the
Thread is calculating i want to show a page that says "Hey, wait a minute,
i'm busy!" When the thread has finished calculations it calls a callback
function and I want to present the results.
How can i force a refresh of views without having user interaction?
Is this possible at all?
Any advice is very welcome!
Andre
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