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| Need information about how parellel processing of the messag |
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| satyasheel15 |
 Posted: Fri Oct 15, 2004 10:27 am Post subject: Need information about how parellel processing of the messag |
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Voyager
Joined: 04 Mar 2003
Posts: 86
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Question:
I have one requirement for the project where from one compute or aggregate node, message goes out parallely to different sub-flows say 5 different sub-flows with respective 5 different output queue.. Now if the message fails in the any of the 5 sub-flows, output message should not go to either of the output queue of the 5 sub-flows, which means message should roll back to the input queue from all the 5 sub-flows. Messages should go to the output queue of the all the 5 sub-flows when pass all the sub-flow. I do not want to use the FLOW ORDER NODE as here message goes out one by one means sequentially.
So please advise how to implement this what FLOW ORDER NODE does but I want all the messages goes out parellely.
SATYASHEEL
IBM INDIA |
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| kirani |
| Posted: Fri Oct 15, 2004 11:20 am Post subject: |
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Jedi Knight
Joined: 05 Sep 2001
Posts: 3779
Location: Torrance, CA, USA
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Your understanding is not correct regarding the parallel execution. If you don't use Floworder node then the messages will be propogated to each of these paths in random order. I don't think you can do this without a FLOWORDER node. If you want parallel processing then split your processing into multiple flows.
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Kiran
IBM Cert. Solution Designer & System Administrator - WBIMB V5
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| jefflowrey |
| Posted: Fri Oct 15, 2004 11:32 am Post subject: |
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Grand Poobah
Joined: 16 Oct 2002
Posts: 19981
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If all of your MQOutput nodes are set up to be within the same unit of work as the MQ Input node, then you will get the all or none rollback that you want, regardless of the order of the execution of the subflows.
You control the participation of the MQOutput node in the transaction with the TransactionMode property of the node.
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