[jboss-dev-forums] [Design of Messaging on JBoss (Messaging/JBoss)] - Session execution and thread pooling

[timfox]

Messages need to be delivered to the message listeners of a session in a serial order.

Currently we are implementing this by the session maintaining a EDU.oswego.cs.dl.util.QueuedExecutor which queues up deliveries for listeners in the session.

The QueuedExecutor maintains it's own thread which excecutes Runnables from the queue, one by one.

I would like to avoid maintaining a thread per session, and be able to execute the Runnables using a global pool, but still maintaining serial order on a per session basis.

This could be done by maintaining a queue per session, but actually executing the Runnables on a thread from this global pool.

I'd like to avoid writing this class myself, but I can't see how I can use the  Doug Lea concurrent classes to do this.

Any ideas?

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