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MQSeries.net Forum Index » IBM MQ Java / JMS » JMS selector and MQ message map to JMS message

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itecwwj
PostPosted: Mon Feb 20, 2006 6:31 pm    Post subject: JMS selector and MQ message map to JMS message Reply with quote

Newbie

Joined: 20 Feb 2006
Posts: 2
Location: china hubei wuhan
sorry , my english is not good

our issues use was as the app server.the mq server is the jms resource provider.the mdb will send msg to the queue with JMS Message.the aim client of the queue is MQ client.

there a many clients receiving messages from the queue.how can they select the right message.i use the correlationID as the key.but jms can use the property including many keys u make.

is there any way to solve this?

thank u for ur help
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fjb_saper
PostPosted: Tue Feb 21, 2006 3:39 am    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
If you want speed in the retrieval of your messages you can only use JMSCorrelationID and/or JMSMessageID in your selectors. Anything else will really slow down the system.

I believe that the content available for the selector above and beyond what I mentioned for speed is contained in the "name value pairs" in the RFH/RFH2 header which you are mostly suppressing when targeting non JMS applications.

Read the manuals and have a look at the request / response pattern.

Enjoy
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itecwwj
PostPosted: Tue Feb 21, 2006 5:32 pm    Post subject: Reply with quote

Newbie

Joined: 20 Feb 2006
Posts: 2
Location: china hubei wuhan
thanks 4 ur help!
can u tell me what the manual is?
i have got and read the <using java>.i am reading the ibm mq sample codes.
what `s ur suggestion?
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fjb_saper
PostPosted: Tue Feb 21, 2006 5:41 pm    Post subject: Reply with quote

Grand High Poobah

Joined: 18 Nov 2003
Posts: 20756
Location: LI,NY
Keep at it. Try it out and make sure you understand it well.

If you have doubts or questions read up and if it is still not clear post here.

Enjoy
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