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From aljoscha <...@git.apache.org>
Subject [GitHub] flink pull request: [FLINK-3178] Don't Emit In-Flight Windows When...
Date Tue, 01 Mar 2016 10:20:26 GMT
Github user aljoscha commented on the pull request:

    https://github.com/apache/flink/pull/1542#issuecomment-190650790
  
    Hi @wenlonglwl,
    you are right about this. We are thinking about how we can change the system so that finite
sources can emit a final Long.MAX_VALUE watermark when they are finished. When writing a custom
finite source you can always emit a Long.MAX_VALUE watermark yourself, once you know that
the source is finished.
    
    Sorry for the inconvenience this has caused, we first wanted to make this right for infinite
sources but I see that you also have a valid use case.


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