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| Propagation in MQSIv2.0.1. |
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| jgooch |
 Posted: Mon Jul 15, 2002 11:52 pm Post subject: Propagation in MQSIv2.0.1. |
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Acolyte
Joined: 29 May 2002
Posts: 63
Location: UK
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Hi,
We're running MQSIv2.0.1 and have a requirement to create a fan-out message flow. This seems the ideal job for the PROPAGATE command, except that it's not available until we migrate to WMQIv2.1.
Basically, we are receiving an XML message such as:-
<messages>
<message>...</message>
<message>...</message>
<message>...</message>
...etc...
<message>...</message>
</messages>
We do not know how many <message> groups there will be but we want to create a separate MQ message for each.
I'm currently experimenting with a message flow that "loops" (argh!) - ie it sends its ouput back into itself until all the <message> groups have been processed (using a tag to contain the index of the group each iteration is to process). This seems a little contact admin to me.
Does anyone have any alternatives?
Thanks,
J. |
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| jgooch |
| Posted: Tue Jul 16, 2002 2:57 am Post subject: |
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Acolyte
Joined: 29 May 2002
Posts: 63
Location: UK
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Well, much as I am averse to coding loops  I've got it up and running in a lot less code than I thought (about six lines over three compute nodes and a filter).
Just need to package it up to make it generic and give it to the project team...
J.  |
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| tchagan |
| Posted: Tue Jul 16, 2002 3:27 am Post subject: |
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Apprentice
Joined: 10 Feb 2002
Posts: 31
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Hi,
yes you can do it with a loop, it has been explained many times in this forum. The problem in mqsi 2.0.1 is that when you have one message to be split into many messages, the greater the message size and the more messages you send means that at one point your DataFlowEngine will get an out of memory or memory overflow message and crash and burn. If you want to split one message to many then do it before or after the broker. |
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