[infinispan-issues] [JBoss JIRA] (ISPN-2464) Allow DistributedExecutorService to control shutdown of given local ExecutorService

[Mircea Markus (JIRA)]

     [ https://issues.jboss.org/browse/ISPN-2464?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Mircea Markus updated ISPN-2464:
--------------------------------

    Fix Version/s: 6.0.0.Final
                       (was: 5.2.0.CR1)

    
> Allow DistributedExecutorService to control shutdown of given local ExecutorService
> -----------------------------------------------------------------------------------
>
>                 Key: ISPN-2464
>                 URL: https://issues.jboss.org/browse/ISPN-2464
>             Project: Infinispan
>          Issue Type: Feature Request
>          Components: Distributed Execution and Map/Reduce
>    Affects Versions: 5.2.0.Beta3
>            Reporter: Vladimir Blagojevic
>            Assignee: Vladimir Blagojevic
>             Fix For: 6.0.0.Final
>
>
> Constructors that receive a thread pool from clients not shut it down on stop: it's a good rule of resource management for the creator of the resource (thread pool for us) to manage the shutdown as well.
> So here's how I think this can be solved:
> 1. Add a new Ctor that besides the pool also has a flag to allow us to take ownership of the pool (i.e. we'll destroy it when the DistExec is shutdow)
> 2. leave the current constructor as it is, make it internally invoke 1. with takeOwnership=true (this would preserve backward compatibility)
> 3. amend the executor to only shutdown the thread pool if it has ownership
> 4. document the threadpool ownership in all constructors

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