Github user StephanEwen commented on the pull request:
https://github.com/apache/flink/pull/1183#issuecomment-143714240
Looks good to me!
One style comment: I think that `collect()` should be written with
parenthesis. In Scala, you use parenthesis if the methods are not purely
accessing properties. The `collect()` function as effects.
Minor comment about the `serialVersionUID` in Scala inline.
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