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MQSeries.net Forum Index » IBM MQ Java / JMS » Messagefilter

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saxofun
PostPosted: Fri Sep 06, 2002 5:13 am    Post subject: Messagefilter Reply with quote

Newbie

Joined: 30 Jul 2002
Posts: 5
Hello together

Is it possible to receive messages from a queue only for a given
correlationID ? I got the following problem. I want to write a
method like this public String getMessage(String correlationID).
But as I now you always got the first message on the queue if
you call receive(). And if the first message isn't the one with the
corresponding correlationID I've to persist it somewhere. So my
question is:

Is there a possibility with MQ and Java to look on a queue and
receive only those messages I need ?

thanks in advance
Saxo =)
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clindsey
PostPosted: Fri Sep 06, 2002 9:05 am    Post subject: Reply with quote

Knight

Joined: 12 Jul 2002
Posts: 586
Location: Dallas, Tx
In the MQQueue::get call, you pass in a message object.
Just set the correlationId field in the message object before the get call and the get will return the message you want. correlationId is a byte array of 24 bytes.

Charlie
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maxis
PostPosted: Mon Sep 09, 2002 7:33 am    Post subject: Reply with quote

Centurion

Joined: 25 Jun 2002
Posts: 144
hi saxofun

Take look at the MessageListener interface.

U can specify message selector, can be corl-ID, for message listener, which in turn will pick the message which matches the criteria. And can specify the receive time.

If u couldnt solve the problem let me know ... may be i'll send u the snippet of code

M
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