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https://issues.apache.org/activemq/browse/AMQ-122?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Phillip Merritt updated AMQ-122:
--------------------------------

    Attachment: priority_patch.txt

I fixed the patch file to include the added files instead of including them in 
a separate zip. Also after doing some performance testing I updated the 
algorithm in the PrioriityMessageDispatchChannel to not maintain a list of the 
highest priority queue, but instead to determine it during dequeue, which seems 
faster.

> add support for priority message ordering
> -----------------------------------------
>
>                 Key: AMQ-122
>                 URL: https://issues.apache.org/activemq/browse/AMQ-122
>             Project: ActiveMQ
>          Issue Type: New Feature
>          Components: JMS client
>    Affects Versions: 4.0
>         Environment: Solaris 8, Linux, Windows , Java 1.4.2
>            Reporter: Etienne Araya
>            Assignee: Ramzi Saba
>             Fix For: 6.0.0
>
>         Attachments: priority_patch.txt
>
>   Original Estimate: 8 hours
>  Remaining Estimate: 8 hours
>
> messages with higher priority is not consumed first
> ActiveMQ doesn't yet support priorities.
> messages with greater priority are not consumed first but that are consumed 
> in the arrival order.

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