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| MQ openOptions |
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| valhalen |
 Posted: Mon Jun 05, 2006 9:16 am Post subject: MQ openOptions |
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Novice
Joined: 24 Feb 2006
Posts: 18
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Hi,
I am using a java program (prog1) to retrieve the queue depth of a set of MQ queues - non-destructively/read-only (while the messages are being consumed by another program(prog2) ). I am a newbie to MQseries, and wanted to check if "openOptions = MQC.MQOO_INQUIRE" was the right option to be used by prog1, which will not have any effect on the consumption of the messages by prog2.
Thanks a lot.
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Val |
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| vennela |
| Posted: Mon Jun 05, 2006 9:36 am Post subject: |
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Jedi Knight
Joined: 11 Aug 2002
Posts: 4055
Location: Hyderabad, India
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Why do you want to look at the queue depth to browse messages?
If you want to browse all messages, then browse every message in a while loop until you get a 2033. |
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| wschutz |
| Posted: Mon Jun 05, 2006 9:39 am Post subject: |
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Jedi Knight
Joined: 02 Jun 2005
Posts: 3316
Location: IBM (retired)
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Yes, "openOptions = MQC.MQOO_INQUIRE" will do what you want. But as vennela says, be careful. Also, the CURDEPTH might have a different value than you expect (since its affected by un-committed work and expired messages).
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-wayne |
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| valhalen |
| Posted: Mon Jun 05, 2006 11:01 am Post subject: |
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Novice
Joined: 24 Feb 2006
Posts: 18
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Vennela and wschutz,
thanks for the reply.
prog1 does not need to know what the content of those messages are - and wouldn't browsing through the messages take more time than retrieving the message count ?
"un-committed work and expired messages" - Well, prog1 will have to live with that risk.
Thanks again.
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Val |
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