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I’m exploring moving some “manual” state management into Flink-managed state via Flink’s windowing paradigms, and I’m running into the surprise that many pieces of the windowing architecture require the stream be upcast to Object (AnyRef in scala). Is there a technical reason for this? I’m currently working on re-implementing the necessary pieces (for my problem) with the type parameters cascaded out, but is there some reason for this? Did someone start doing this, and then hit some wall? Would Flink be interested in these changes as a contribution if I get it working?
Thanks,
Andrew
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