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satishnagarathnam
PostPosted: Wed Jan 07, 2004 4:54 am    Post subject: Websphere MQ Triggering Reply with quote

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Joined: 05 Dec 2003
Posts: 11
In MQ when a message arrives on a queue, it's possible to call an exit to
run another program. After the program has completed it is closed, to be
re-opened when a message next arrives on a queue.



However, is it possible to instead have the trigger execute a function in a
program that is already running?

I need to create a program that loads Mercator and a map into memory and
that contains a function that MQ Series can execute repeatedly - I don't
want to stop and start the program every time a new message arrives.
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jefflowrey
PostPosted: Wed Jan 07, 2004 5:07 am    Post subject: Reply with quote

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Joined: 16 Oct 2002
Posts: 19981
Then you want to write a listener, instead of a triggered process.

A listener loops over a Get with timeout, and never closes.

You should read the Application Programming Guide for discussions of gets with wait, and look in the Application Programming Reference for specifics about making the calls.
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