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Posted to dev@camel.apache.org by "Claus Ibsen (JIRA)" <ji...@apache.org> on 2011/08/06 11:51:27 UTC
[jira] [Commented] (CAMEL-3938) Re-add support for
ComsumerType.Simple/JMS SimpleMessageListenerContainer
[ https://issues.apache.org/jira/browse/CAMEL-3938?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13080387#comment-13080387 ]
Claus Ibsen commented on CAMEL-3938:
------------------------------------
We need unit tests as well. Do you care to work on that too?
> Re-add support for ComsumerType.Simple/JMS SimpleMessageListenerContainer
> -------------------------------------------------------------------------
>
> Key: CAMEL-3938
> URL: https://issues.apache.org/jira/browse/CAMEL-3938
> Project: Camel
> Issue Type: Improvement
> Components: camel-jms
> Affects Versions: 2.7.0, 2.7.3, 2.8.0
> Reporter: Joshua Watkins
> Attachments: simpleMessageListenerContainerAddition
>
>
> A while ago there was a discussion topic that the
> SimpleMessageListenerContainer/ConsumerType.Simple was removed from
> camel-jms as it was deprecated. However from looking at the latest Spring
> docs (
> http://static.springsource.org/spring/docs/3.1.0.M1/javadoc-api/org/springf
> ramework/jms/listener/SimpleMessageListenerContainer.html ) it is alive
> and kicking.
> Is there another reason that this feature was removed?
> The reason I am so keen on the SimpleMessageListenerContainer is that the
> DefaultMessageListenerContainer does not allow you to constrain the number
> of threads used in a useful way. If you give it a task executor with a
> maximum 5 threads and want to listen on 10 routes, only 5 of those routes
> would be consumed from. There is even a note about this fact in the docs (
> http://static.springsource.org/spring/docs/3.1.0.M1/javadoc-api/org/springf
> ramework/jms/listener/DefaultMessageListenerContainer.html#setTaskExecutor(
> java.util.concurrent.Executor) ). This makes the
> SimpleMessageListenerContainer invaluable for scaling out an application
> using camel-jms.
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