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MQSeries.net Forum Index » IBM MQ Java / JMS » How do I know if a queue is TMPDYN?

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wmqman
PostPosted: Thu Feb 10, 2005 3:02 pm    Post subject: How do I know if a queue is TMPDYN? Reply with quote

Newbie

Joined: 24 Feb 2004
Posts: 4

Is there a Java class (or a method thereof) that if called will return a queue type? My queing environment use temporary dynamic reply queues and I would like to know if I can programatically query the queue manager for the queue type (STATIC, PERMDYN, TEMPDYN, etc.) and possibly its queue name?
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Michael S. Gardner, Senior Middleware Architect
Granville Systems Corporation
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PeterPotkay
PostPosted: Thu Feb 10, 2005 3:08 pm    Post subject: Reply with quote

Poobah

Joined: 15 May 2001
Posts: 7722

Check out this support pac:
http://www-1.ibm.com/support/docview.wss?rs=203&uid=swg24000668&loc=en_US&cs=utf-8&lang=en

But why do you care what type the queue is?
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kman
PostPosted: Mon Feb 14, 2005 11:09 pm    Post subject: Reply with quote

Partisan

Joined: 21 Jan 2003
Posts: 309
Location: Kuala Lumpur, Malaysia

TEMPDYN queues have the following properties:

Quote:
v They cannot be shared queues, accessible from queue managers in a queue-sharing group (only available on WebSphere MQ for z/OS).
v They hold nonpersistent messages only.
v They are non-recoverable.
v They are deleted when the queue manager is started.
v They are deleted when the application that issued the MQOPEN call which
resulted in the creation of the queue closes the queue or terminates.


If you are worried about those queues filling up the system, then the above statement clears the issue. They are temporary by nature and will get cleaned up in the end.
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