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MQSeries.net Forum Index » WebSphere Message Broker (ACE) Support » message sequence no

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raju71
PostPosted: Mon Apr 03, 2006 2:12 pm    Post subject: message sequence no Reply with quote

Novice

Joined: 03 Apr 2006
Posts: 13
I have some messages sitting in the input queue which have the same priority.While i am processing in the compute node do we have any attribute in MQMD header to identify the sequence no or any other way to get sequence no of the message Any information is greatly appreciated
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jefflowrey
PostPosted: Mon Apr 03, 2006 3:48 pm    Post subject: Reply with quote

Grand Poobah

Joined: 16 Oct 2002
Posts: 19981
MQ messages by nature are stateless.

Message Broker flows, by nature, are stateless.

What version of Broker are you using?

Are you positive that you need to treat your messages in a stateful manner? It is an anti-pattern in messaging.
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Duke
PostPosted: Tue Apr 04, 2006 12:32 am    Post subject: Reply with quote

Apprentice

Joined: 09 Mar 2004
Posts: 49
Location: Belgium
Hi,

In MQSeries the message can be ordered into sequence using the MQMD fields GroupID and MsgSeqNumber (ref. to MQSeries application programming guide).
These fields can be accessed into the broker has normal MQMD fields.
On the MQInput node you can also specify that the message have to be retrieved in logical order (Advanced tab).
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