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From "Devaraj K (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-4547) LeafQueue#getApplications() is read-only interface, but it provides reference to caller
Date Wed, 17 Feb 2016 07:04:18 GMT

    [ https://issues.apache.org/jira/browse/YARN-4547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15150015#comment-15150015
] 

Devaraj K commented on YARN-4547:
---------------------------------

shouldn't it be duplicate instead of Done?

> 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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