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From V Kale <>
Subject Need to structure message groups across topics
Date Thu, 17 Feb 2011 19:08:19 GMT


I have a need to structure message groups across topics. 

As an example: 

I have producer P1 that processes and publishes new messages 
Then I have producer P2 that processes and publishes only modifications 
I also have a producer P3 that processes and publishes cancels 
There is a chance that the modification/cancel can get to broker/consumer 
before the original new message in such a configuration 

So I would want to serialize the message processing through broker such 
that until a new message is received by consumer and acknowledged to broker, 
this consumer can not pick up modifications or cancels for that new message 

Could some one please suggest how to do that? Will appreciate much! 


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