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https://issues.apache.org/jira/browse/YARN-4547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15150103#comment-15150103
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Rohith Sharma K S commented on YARN-4547:
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I am bit confused that when to use Duplicate, Done, Implemented OR any other
non regularly usable states. Since YARN-4617 is different issue, and
incorporated this fixed as part of yarn-4617 patch. So, I precisely chosen as
Done. Any suggestions are honored.
> LeafQueue#getApplications() is read-only interface, but it provides reference
> to caller
> ---------------------------------------------------------------------------------------
>
> Key: YARN-4547
> URL: https://issues.apache.org/jira/browse/YARN-4547
> Project: Hadoop YARN
> Issue Type: Bug
> Components: capacity scheduler
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
>
> The below API is read-only interface, but returning reference to the caller.
> This causing caller to modify the orderingPolicy entities. If required
> reference of ordering policy, caller can use
> {{LeagQueue#getOrderingPolicy()#getSchedulableEntities()}}
> The returning object should be clone of
> orderingPolicy.getSchedulableEntities()
> {code}
> /**
> * Obtain (read-only) collection of active applications.
> */
> public Collection<FiCaSchedulerApp> getApplications() {
> return orderingPolicy.getSchedulableEntities();
> }
> {code}
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