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From Joe Fernandez <>
Subject Re: LIFO (not FIFO) queues
Date Thu, 21 Aug 2008 13:05:54 GMT

What about using Camel to implement a resequencer?


Artur Siekielski wrote:
> Hi.
> Is it possible to change JMS queues semantics to Last In, First Out (ie.
> stack)? Would it be difficult to patch ActiveMQ sources to achieve this?
> Another solution to our problem is using priority queues. But ActiveMQ
> doesn't support priorities. Only Oracle's AQs support this...
> A bigger picture: we are using JMS for grid computations, task have
> subtasks and subtasks have to be computed first. It would be nice to have
> a general solution for this using JMS.

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