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Posted to dev@qpid.apache.org by "Alex Rudyy (JIRA)" <ji...@apache.org> on 2017/09/13 13:10:00 UTC
[jira] [Resolved] (QPID-7771) Allow exchange to exchange bindings
to substitute the routing key
[ https://issues.apache.org/jira/browse/QPID-7771?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Alex Rudyy resolved QPID-7771.
------------------------------
Resolution: Fixed
The changes were reviewed as part of pair programming by Keith and me
> Allow exchange to exchange bindings to substitute the routing key
> -----------------------------------------------------------------
>
> Key: QPID-7771
> URL: https://issues.apache.org/jira/browse/QPID-7771
> Project: Qpid
> Issue Type: Improvement
> Components: Java Broker
> Reporter: Keith Wall
> Assignee: Keith Wall
> Fix For: qpid-java-broker-7.0.0
>
> Attachments: 0001-QPID-7771-Java-Broker-Add-support-for-x-replacement-.patch
>
>
> QPID-6028 added support for exchange to exchange bindings.
> This feature will have utility in aiding the migration of pub/sub
> messaging application between the old Qpid JMS AMQP 0-x client and the Qpid JMS Client. It will allow topic publishers and subscribers to be
> upgraded to the new client at different times, avoiding a big-bang upgrade and avoiding addressing changes.
> For a topic published by a Qpid JMS AMQP 0-x application to amq.topic/foo, an exchange to exchange binding {{amq.topic/foo => foo}} where foo is a fanout instance will allow an application using the Qpid JMS Client to subscribe successfully.
> For a topic published by a Qpid JMS Client application to fanout exchange instance foo, and exchange to exchange binding {{foo => amq.topic (arguments: replacement-routing-key=foo)}} will allow an application using the Qpid JMS AMQP 0-x client to successfully subscribe.
> For completeness {{ replacement-routing-key}} should be respected if presented for routing by an alternate binding.
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