Github user rmetzger commented on the pull request:
https://github.com/apache/incubator-flink/pull/236#issuecomment-65063153
The code looks good.
I tried it out and found that this is not working:
https://github.com/rmetzger/incubator-flink/commit/d391ee184b47541fd83709e858eb10757111d14a
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