[jira] [Created] (FLINK-6086) Rework PythonSender/-Streamer generics

[Shang Yuanchun (Jira)]

Chesnay Schepler created FLINK-6086:
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             Summary: Rework PythonSender/-Streamer generics
                 Key: FLINK-6086
                 URL: https://issues.apache.org/jira/browse/FLINK-6086
             Project: Flink
          Issue Type: Improvement
          Components: Python API
    Affects Versions: 1.3.0
            Reporter: Chesnay Schepler
            Assignee: Chesnay Schepler
             Fix For: 1.3.0


The PythonSender/PythonStreamer classes make heavy use of raw-types or wildcards. This is done since both classes deal with the cases of the operation having 1 or 2 input types, the differentiation of which is done completely by an int argument.

We can clean this rather insane code up a bit by creating dedicated sub-classes for 1 or 2 inputs.

The PythonSender also contains multiple unused methods that we can remove while we're at it.



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