On Tue, Jan 4, 2011 at 7:57 PM, preben <p...@dr.dk> wrote: > > Hi > > I need a bit of clarification regarding FIFO and messaging using activemq. > > According to Activemq documentation > http://activemq.apache.org/message-groups.html message grouping should > preserve ordering of messages within the same group id. > > When the producer sets the groupid it should be possible to have multiple > consumers on the same queue parallelle processing messages from the queue, > but the broker should make sure that messages within the same groupid goes > to the same consumer thread thereby preserving ordering within the group. > > Correct ?
Yes messages in the same group is ordered and processed by the same consumer. > > Anybody willing to share Camel example flows that demo's message grouping > and FIFO. > Check unit tests in camel-jms or activemq source :) Or ActiveMQ in Action book may have more details as well. See this test https://svn.apache.org/repos/asf/camel/trunk/components/camel-jms/src/test/java/org/apache/camel/component/jms/JmsRouteUsingJMSXGroupTest.java > Thanks > Preben > > > -- > View this message in context: > http://camel.465427.n5.nabble.com/Activemq-jmsgroupid-tp3327579p3327579.html > Sent from the Camel - Users mailing list archive at Nabble.com. > -- Claus Ibsen ----------------- FuseSource Email: cib...@fusesource.com Web: http://fusesource.com Twitter: davsclaus Blog: http://davsclaus.blogspot.com/ Author of Camel in Action: http://www.manning.com/ibsen/
