Stephan Ewen created FLINK-3412:
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Summary: Remove implicit conversions JavaStream / ScalaStream
Key: FLINK-3412
URL: https://issues.apache.org/jira/browse/FLINK-3412
Project: Flink
Issue Type: Bug
Components: Scala API
Affects Versions: 0.10.2
Reporter: Stephan Ewen
Fix For: 1.0.0
I think the implicit conversions between the Java DataStream and the Scala
DataStream are dangerous.
Because conversions exist in both directions, it is possible to write methods
that look like calling functions on the JavaStream, but instead convert it to a
Scala stream and call a different method.
I just accidentally implemented an infinite recursion that way (via two hidden
implicit conversions).
Making the conversions explicit (with a {{wrap()}} function like in the batch
API, we add minimally more code internally (nothing is different for users),
but avoid such accidental errors.
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