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| User exit - the way to go to implement a receive handler? |
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| GeordieBri |
 Posted: Tue Feb 24, 2009 8:23 am Post subject: User exit - the way to go to implement a receive handler? |
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Newbie
Joined: 05 Feb 2009
Posts: 8
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Hi,
From my (little) experience of MQ so far, it appears that if I want to know if I've received a message, I must constantly 'poll' the message queue.
Is there an event-driven method (in MQ .NET) that notifies me that messages have arrived?
Thanks!
Brian |
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| Vitor |
| Posted: Tue Feb 24, 2009 8:37 am Post subject: Re: User exit - the way to go to implement a receive handler |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| GeordieBri wrote: |
Is there an event-driven method (in MQ .NET) that notifies me that messages have arrived?
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Look up triggering, or if you've using WMQv7 the shiny new callback function.
Don't poll a queue unless you're using WAS or running on z/OS 
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| Vitor |
| Posted: Tue Feb 24, 2009 8:39 am Post subject: Re: User exit - the way to go to implement a receive handler |
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Grand High Poobah
Joined: 11 Nov 2005
Posts: 26093
Location: Texas, USA
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| GeordieBri wrote: |
| From my (little) experience of MQ so far |
Abandon all thoughts of exits. They are an advanced topic and you need a lot of experience to use them; dire consequences can result.
You also very seldom need them, though many people think they need them.
You certainly don't need one.
_________________
Honesty is the best policy.
Insanity is the best defence. |
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| mqjeff |
| Posted: Tue Feb 24, 2009 8:50 am Post subject: Re: User exit - the way to go to implement a receive handler |
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Grand Master
Joined: 25 Jun 2008
Posts: 17447
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| GeordieBri wrote: |
| Is there an event-driven method (in MQ .NET) that notifies me that messages have arrived? |
There is a .NET equivalent to a JMS Message Driven Bean.
Since you have already found the .NET Programming Guide, you have merely to keep reading it to find more information on this topic. |
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