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MQSeries.net Forum Index » General IBM MQ Support » Multiple topic in a single Queueu

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sanks
PostPosted: Wed Nov 09, 2005 4:58 am    Post subject: Multiple topic in a single Queueu Reply with quote

Apprentice

Joined: 21 Mar 2005
Posts: 27
Is it possible to create multiple topics in the same Local Queue thru WAS configuration? Like I have one connection factory, one base topic queue with different topic string and JND topic name.

As a result I can subscribe one queue on different topic name of the same local queue.

Let me know.
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jefflowrey
PostPosted: Wed Nov 09, 2005 5:07 am    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
Topics and queues are related only through a subscription. This relationship is a many-to-many relationship.

Please read the Using Pub/Sub manual. It is in the MQ Info Center.

It is not good design to subscribe the same queue to many topics, necessarily.

Topics should be logically independant (otherwise, why are they different topics?). They should also be hierarchical. Thus, if you need to subscribe one process to several different topics, you should probably subscribe only to the common root of the different topics. And if you need to subscribe one process to several different topics that don't have a common root other than the root of your topic hierarchy, then you should refactor your process so that it isn't doing so many logically unrelated things.
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