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https://issues.apache.org/jira/browse/QPID-2321?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12968461#action_12968461
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Robbie Gemmell commented on QPID-2321:
--------------------------------------
The trunk additions for this JIRA were merged onto trunk with the work
committed on QPID-2379.
> [Java Broker] Add "conflation queue" to Java Broker
> ---------------------------------------------------
>
> Key: QPID-2321
> URL: https://issues.apache.org/jira/browse/QPID-2321
> Project: Qpid
> Issue Type: New Feature
> Components: Java Broker
> Affects Versions: 0.7
> Reporter: Rob Godfrey
> Assignee: Rob Godfrey
> Fix For: 0.7
>
>
> Conflation queues replace messages with new one as they arrive if the two
> messages share the same key value
> A conflation queue is created if you specify a <conflationKey> in the XML
> configuration; or provide a value for x-qpid-conflation-key in the arguments
> to the Queue.Declare command.
> A queue thus created will check incoming messages as they come in for the
> value in the application headers associated with the given conflationKey.
> Any message with the same conflation key value which has not yet been
> dequeued will be dequeued immediately as the new message is inserted into the
> queue.
> Using a non-acquiring consumer (i.e. browsing) one can use a conflation queue
> as an LVQ which also sends updates as new values are inserted/updated.
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