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| Publish/Subscribe and COAs |
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| mcatama |
 Posted: Tue Sep 03, 2002 7:08 am Post subject: Publish/Subscribe and COAs |
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Novice
Joined: 10 Apr 2002
Posts: 17
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We are building a solution using WMQI (v2.1) Publish and Subscribe. When messages arrive at their destination we would like to receive a COA back so that we can log which systems receive which messages.
I have a message flow to set the report options and reply to queue etc. and then publish the message, but the message that arrives on the destination queue does not have the report option set.
The report options are being set correctly prior to the publish because it works when I replace the publish node with an MQOutput node. Has anyone tried this successfully before, or is there something in-built in WMQI Publish/Subscribe which prevents this?
Thanks,
Alison |
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| vmcgloin |
| Posted: Tue Sep 03, 2002 11:42 pm Post subject: |
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Knight
Joined: 04 Apr 2002
Posts: 560
Location: Scotland
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| Quote: |
MQMD for publications forwarded by a broker
This section describes the message descriptor for messages sent by the broker to subscribers.
The fields are set to their default values, except for the following:
Report
Will be set to MQRO_NONE. |
The above is an extract from the 2.0.2 Programming Guide, but I suspect it will be the same for 2.1. You can specify report options on the Publish command but these only control the broker response message that will tell you whether the publish command was successful. Publish and Subscribe mechanism are by their nature decoupled, so I'm not sure that you will be able to do what you describe, other than by changing the subscribing applications to send a separate confirmation message.
Regards,
Vicky |
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