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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-3554) Bounded sources should emit a Max Watermark when they are done
Date Tue, 01 Mar 2016 13:38:18 GMT

    [ https://issues.apache.org/jira/browse/FLINK-3554?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15173757#comment-15173757
] 

ASF GitHub Bot commented on FLINK-3554:
---------------------------------------

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

    https://github.com/apache/flink/pull/1750#discussion_r54566693
  
    --- Diff: flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/StoppableStreamSource.java
---
    @@ -41,7 +41,14 @@ public StoppableStreamSource(SRC sourceFunction) {
     		super(sourceFunction);
     	}
     
    +	/**
    +	 * Marks the source a stopped and calls {@link StoppableFunction#stop()} on the user
function.
    +	 */
     	public void stop() {
    +		// important: marking the source as stopped has to happen before the function is stopped.
    +		// the flag that tracks this status is volatile, to the memory model also guarantees
    --- End diff --
    
    typo in comment: to => so


> Bounded sources should emit a Max Watermark when they are done
> --------------------------------------------------------------
>
>                 Key: FLINK-3554
>                 URL: https://issues.apache.org/jira/browse/FLINK-3554
>             Project: Flink
>          Issue Type: Bug
>          Components: Streaming
>    Affects Versions: 1.0.0
>            Reporter: Stephan Ewen
>            Priority: Critical
>             Fix For: 1.0.1
>
>
> For proper event time support in bounded sources, these sources should emit a final watermark
before shutting down.



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