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https://issues.apache.org/jira/browse/FLINK-4272?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15687038#comment-15687038
 ] 

ASF GitHub Bot commented on FLINK-4272:
---------------------------------------

Github user mxm commented on a diff in the pull request:

    https://github.com/apache/flink/pull/2732#discussion_r89139969
  
    --- Diff: 
flink-clients/src/main/java/org/apache/flink/client/RemoteExecutor.java ---
    @@ -207,14 +207,23 @@ public JobExecutionResult 
executePlanWithJars(JobWithJars program) throws Except
                                shutDownAtEnd = false;
                        }
     
    -                   try {
    -                           return client.run(program, 
defaultParallelism).getJobExecutionResult();
    -                   }
    -                   finally {
    -                           if (shutDownAtEnd) {
    -                                   stop();
    -                           }
    -                   }
    +                   final JobClient jobClient = client.run(program, 
defaultParallelism);
    +
    +                   jobClient.addFinalizer(
    +                           new Runnable() {
    +                                   @Override
    +                                   public void run() {
    +                                           if (shutDownAtEnd) {
    --- End diff --
    
    This closure should be fine since Java demands the variable to be final.


> Create a JobClient for job control and monitoring 
> --------------------------------------------------
>
>                 Key: FLINK-4272
>                 URL: https://issues.apache.org/jira/browse/FLINK-4272
>             Project: Flink
>          Issue Type: New Feature
>          Components: Client
>            Reporter: Maximilian Michels
>            Assignee: Maximilian Michels
>            Priority: Minor
>             Fix For: 1.2.0
>
>
> The aim of this new features is to expose a client to the user which allows 
> to cancel a running job, retrieve accumulators for a running job, or perform 
> other actions in the future. Let's call it {{JobClient}} for now (although 
> this clashes with the existing JobClient class which could be renamed to 
> JobClientActorUtils instead).
> The new client should be returned from the {{ClusterClient}} class upon job 
> submission. The client should also be instantiatable by the users to retrieve 
> the JobClient with a JobID.
> We should expose the new JobClient to the Java and Scala APIs using a new 
> method on the {{ExecutionEnvironment}} / {{StreamExecutionEnvironment}} 
> called {{executeWithControl()}} (perhaps we can find a better name).



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