Github user StephanEwen commented on the pull request:
https://github.com/apache/incubator-flink/pull/20#issuecomment-46467179
Why do you add the "setInitialValue()" method to the reduce function? I
think that is a bit clumsy. Is that for getting the value into the runtime?
Why not add it as part of the user parameters? That keeps the user-facing
APIs clean.
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