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| Using Compute-Node (ESQL) getting data from a queue |
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| JustFriend |
 Posted: Sun Jul 10, 2005 9:40 am Post subject: Using Compute-Node (ESQL) getting data from a queue |
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Novice
Joined: 30 May 2005
Posts: 22
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Subject: Using Compute-Node (ESQL) getting data from a queue
Hi,
I just want to know whether I can get some information from a specific queue with specific MsgId or CorrelId within a compute node?
I am looking out for a flow like the below:
MQInput-Node (From Q-IN) >> Compute-Node >> MQOutput-Node (Q-Out)
In the compute-node, I want to get some data from a different queue (say Q-X) and populate the output-message for Q-Out.
ALSO,
I would like to know whether the following things are possible within a Compute-Node:
1) Read a specific-message (using CorrelId) from a queue (like the above) but without deleting from the queue
2) Delete a specific message (using CorrelId) from a queue
Is this possible?
With expectation of your feedback I remain.
(FYI: My broker version is 5.1)
Best Regards,
Just Friend. |
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| JT |
| Posted: Sun Jul 10, 2005 10:24 am Post subject: |
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Padawan
Joined: 27 Mar 2003
Posts: 1564
Location: Hartford, CT.
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The only way you'd be able to consume a message off a queue within a Compute node would be by invoking a Java method. AFAIK, you can't perform this particular function from a called Java method.
You can however consume a message off a queue from within the message flow through a plug-in. The former IA09 - MQGet Plug-In supportpac provided this function. Additionaly, it provided matching capability by identifier. So your flow would look like this instead:
| Quote: |
| MQInput-Node (From Q-IN) >> MQGet >> Compute-Node >> MQOutput-Node (Q-Out) |
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| JustFriend |
| Posted: Sun Jul 10, 2005 11:25 pm Post subject: |
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Novice
Joined: 30 May 2005
Posts: 22
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| PeterPotkay |
| Posted: Mon Jul 11, 2005 6:05 am Post subject: |
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Poobah
Joined: 15 May 2001
Posts: 7722
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MQGET node will be fully supported and enhanced in WB-IMB 6.0, due out later this year (Q4). Until then, its not officially supported.
_________________
Peter Potkay
Keep Calm and MQ On |
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