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| Difference between API Exit, Channel Exit and other exit |
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| jeevan |
 Posted: Mon Aug 21, 2006 11:49 am Post subject: Difference between API Exit, Channel Exit and other exit |
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Grand Master
Joined: 12 Nov 2005
Posts: 1432
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I have asked question about API exit a long ago in this forum and got an satisfied answer. However, I am still confused in API exit, Channel exit and other ( while going through the documentation I saw other exit such as MQ_GET_EXIT, MQ_INQ_EXIT for example). This makes further confused. However, I have understood one thing, exits ar the small routine developer by developer (I mean here not by IBM) for enhancing our appl, making commong to many app which call a single qmgr, or calling to do something while channel is transmitting message. Am I correct? But what is diffrence exaclty among them? the channel exit are mentioend in channel attribute I think. Is this right? I do not like to know the whole mechanism toward the client side, but from server ( MQ admin point of view) how these are differentiated?
I would appreciate clarification.
thanks a lot |
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| jefflowrey |
| Posted: Mon Aug 21, 2006 11:52 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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| jeevan |
| Posted: Mon Aug 21, 2006 12:13 pm Post subject: |
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Grand Master
Joined: 12 Nov 2005
Posts: 1432
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Jeff,
I have visited both of these links. As I said, probably not being a appl guy, I have hard time understanding all these so many exits. I would really appreciate if you can clarify.
Thanks a lot |
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| jefflowrey |
| Posted: Mon Aug 21, 2006 12:21 pm Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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An exit of any kind is a hook in MQ where code can be plugged in.
The different types of exits are hooks into different places in MQ. So a message exit gets called when messages move over channels, a send exit gets called when a channel sends data, an API exit gets called when an API call is made, and etc.
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I am *not* the model of the modern major general. |
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| jeevan |
| Posted: Mon Aug 21, 2006 12:25 pm Post subject: |
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Grand Master
Joined: 12 Nov 2005
Posts: 1432
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This is really helpful. This gives me a lot of idea such as MQ_GET_EXit is called when get api is called and so on.
Thanks a lot once again, |
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