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| Usage of CorrelationId |
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| vijkid |
 Posted: Mon Nov 03, 2003 3:22 am Post subject: Usage of CorrelationId |
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Novice
Joined: 09 Oct 2003
Posts: 13
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Dear All,
I need to post a messafe to queue and receive reply with reference to the same, The problem I have is I need to pick only the relavent reply for a user , as read it can be done by correlation id, but I have not used it before, can anybody help me on that as to when it is created when it is attached to the message how can i make it unique and how do i refer the sam when I receive the response back
Thanks In advance
Vijay Sharma |
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| bower5932 |
| Posted: Mon Nov 03, 2003 6:38 am Post subject: |
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Jedi Knight
Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
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| MQSeries has the ability to create unique message and correlation ids. Look at the MessageId and CorrelationID fields of the MQMD in the Application Programming Guide. As far as getting a unique ID, check out the Options field of the MQPMO. There are a couple of flags (MQPMO_NEW_MSG_ID, MQPMO_NEW_CORREL_ID). Your getting program can then get back a message by setting the MatchOptions of the MQGMO appropriately. |
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| bower5932 |
| Posted: Mon Nov 03, 2003 6:45 am Post subject: |
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Jedi Knight
Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
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| vijkid |
| Posted: Mon Nov 03, 2003 7:02 am Post subject: Using CorrId |
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Novice
Joined: 09 Oct 2003
Posts: 13
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I have seen the example but not clear with it as i am new to MQ Series and secondly i have to quote the program in vb.net where no of options might differ, can u send me some instruction on 1) Setting MSG iD, Correlation id and setting the same when retreiving the message
Thanks
Vijay |
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| bower5932 |
| Posted: Wed Nov 05, 2003 5:18 am Post subject: |
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Jedi Knight
Joined: 27 Aug 2001
Posts: 3023
Location: Dallas, TX, USA
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| I can't help you with VB. I've never used it myself. I know that I've seen similar kinds of appends on the forums. Try searching. |
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