[jbossts-issues] [JBoss JIRA] (JBTM-1556) provide way for Synchronization.afterCompletion callee to know if the Reaper thread is calling

[Mark Little (JIRA)]

    [ https://issues.jboss.org/browse/JBTM-1556?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12765786#comment-12765786 ] 

Mark Little commented on JBTM-1556:
-----------------------------------

Timeout handling occurs top-down. Each subordinate coordinate has an idea of how much time is left in the transaction when it is created, which is obviously less than the total timeout when the transaction was started. Timeouts can then go off in each (subordinate) coordinator autonomously, but each such (subordinate) coordinator is only responsible for timing out the resources registered with it.
                
> provide way for Synchronization.afterCompletion callee to know if the Reaper thread is calling
> ----------------------------------------------------------------------------------------------
>
>                 Key: JBTM-1556
>                 URL: https://issues.jboss.org/browse/JBTM-1556
>             Project: JBoss Transaction Manager
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Transaction Core
>    Affects Versions: 4.17.3
>            Reporter: Scott Marlow
>            Assignee: Tom Jenkinson
>             Fix For: 4.17.4, 5.0.0.M3
>
>
> When the Synchronization.afterCompletion is invoked for EE JPA containers, knowledge of whether the current thread is the Reaper thread (cancelling the transaction from a background thread).
> The fix to this jira will help with handling the [JPA 2.1 container concurrency requirements|http://java.net/projects/jpa-spec/lists/jsr338-experts/archive/2013-03/message/38].
> Please implement the solution makes the most sense to you, as this will introduce an additional dependency between other systems and JBossTM/JBossTS that depend on the solution, that will likely be around for a long time.

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