Github user mjsax commented on the pull request:
https://github.com/apache/flink/pull/1387#issuecomment-158538063
I don't understand you comment? What you describe is exactly how it works
(even before this PR). The problem was actually just a missing
`TypeInformation` I added here... However, I introduced this `token` into the
name of an operator here, because the `.select(...).map(...)` get chained which
alters the operator name and I need the original name later on in
`WrapperSetupHelper` -- this part is "hacky". But I am not sure if there is a
better solution to it. Look for the new variable `FlinkTopologyBuilder.token`.
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