[jira] [Assigned] (YARN-553) Have GetNewApplicationResponse generate a directly usable ApplicationSubmissionContext

["Karthik Kambatla (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/YARN-553?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Karthik Kambatla reassigned YARN-553:
-------------------------------------

    Assignee: Karthik Kambatla
    
> Have GetNewApplicationResponse generate a directly usable ApplicationSubmissionContext
> --------------------------------------------------------------------------------------
>
>                 Key: YARN-553
>                 URL: https://issues.apache.org/jira/browse/YARN-553
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: client
>    Affects Versions: 2.0.3-alpha
>            Reporter: Harsh J
>            Assignee: Karthik Kambatla
>            Priority: Minor
>
> Right now, we're doing multiple steps to create a relevant ApplicationSubmissionContext for a pre-received GetNewApplicationResponse.
> {code}
>     GetNewApplicationResponse newApp = yarnClient.getNewApplication();
>     ApplicationId appId = newApp.getApplicationId();
>     ApplicationSubmissionContext appContext = Records.newRecord(ApplicationSubmissionContext.class);
>     appContext.setApplicationId(appId);
> {code}
> A simplified way may be to have the GetNewApplicationResponse itself provide a helper method that builds a usable ApplicationSubmissionContext for us. Something like:
> {code}
> GetNewApplicationResponse newApp = yarnClient.getNewApplication();
> ApplicationSubmissionContext appContext = newApp.generateApplicationSubmissionContext();
> {code}
> [The above method can also take an arg for the container launch spec, or perhaps pre-load defaults like min-resource, etc. in the returned object, aside of just associating the application ID automatically.]

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