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From Dejan Bosanac <de...@nighttale.net>
Subject Re: MessageGroups and Single GroupId Consumer
Date Wed, 09 Dec 2009 08:40:08 GMT
Hi,

currently there is no way to restrict the consumer to consume only
messages from one group. I think you can use selectors to achieve this
functionality,

Cheers
--
Dejan Bosanac - http://twitter.com/dejanb

Open Source Integration - http://fusesource.com/
ActiveMQ in Action - http://www.manning.com/snyder/
Blog - http://www.nighttale.net



On Tue, Dec 8, 2009 at 11:57 PM, MR2009 <rangwalamustafa@hotmail.com> wrote:
>
> My environment:
> a) ActiveMQ 5.3
> b) Centos 5.4
> c) JDK 1.6 Producer
> d) C++ Consumer
>
> I am considering using ActiveMQ to solve my enterprise message routing
> problem.  In my setup there are say X producers and Y consumers ( X < Y ).
> Each consumer start out stateless, in that it can consume any message.  Once
> it consumes a first message, it acquires a state, and henceforth can only
> consume messages that are consistent with that state.  When the consumer
> ends or the producer 'signals' a end of all messages for the 'state' the
> consumer again becomes stateless.
>
> MessageGroups seems like the obvious initial choice for this problem.  The
> concern I have is that using message groups, a Consumer can potentially be
> sent messages for multiple states ( based on hash of the JMSXGroupId value
> ).  So essentially, a consumer could be handling messages for multiple
> JMSXGroupIds at the same time.  In my architecture this is not possible to
> implement in the consumer (ie. dynamically support multiple states).
>
> Therefore what I am looking for is a way to define a consumer that is
> ensured that it will only process messages for ONE JMSXGroupId at a time.
> Perhaps other approaches are better than MessageGroups.  Your help and
> suggestions are much appreciated.
>
> Regards,
>
> -MR
>
> --
> View this message in context: http://old.nabble.com/MessageGroups-and-Single-GroupId-Consumer-tp26702337p26702337.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>

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