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From "Rick McGuire (JIRA)" <j...@apache.org>
Subject [jira] Closed: (ARIES-12) BlueprintListener events are not delivered synchronously
Date Fri, 02 Oct 2009 09:52:23 GMT

     [ https://issues.apache.org/jira/browse/ARIES-12?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Rick McGuire closed ARIES-12.
-----------------------------

    Resolution: Invalid

Ah, I missed the point that this was using the single thread executor.  My original reading
was that the event dispatch would get handled currently on multiple threads because it was
using the ExecutorService.  

> BlueprintListener events are not delivered synchronously
> --------------------------------------------------------
>
>                 Key: ARIES-12
>                 URL: https://issues.apache.org/jira/browse/ARIES-12
>             Project: Aries
>          Issue Type: Bug
>          Components: Blueprint
>            Reporter: Rick McGuire
>            Assignee: Alan Cabrera
>
> Section 121.12 of the blueprint specification has a requirement that blueprint events
be delivered to BlueprintListener.blueprintEvent() methods.  However, the implementation of
the event dispatcher submits the callbacks for each event to an executor for processing, leading
to race conditions where events can be delivered out of order.  These events really should
be placed on a queue and all callbacks completely processed in order. 

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