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Marcelo Vanzin commented on SPARK-2633:
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So, being able to register listeners is probably not that complicated, but
things may get tricky when actually looking at the events.
e.g., {{StageInfo}} objects exposed through {{SparkListenerStageSubmitted}},
they contain Scala APIs that may not be Java-friendly.
I guess my question is: is the goal to have full API equivalence in Java-land?
If so, it might be easier to clean up the types so that they're all
Java-friendly. Otherwise, the Java listener API will always be a second-class
citizen.
> support register spark listener to listener bus with Java API
> -------------------------------------------------------------
>
> Key: SPARK-2633
> URL: https://issues.apache.org/jira/browse/SPARK-2633
> Project: Spark
> Issue Type: New Feature
> Components: Java API
> Reporter: Chengxiang Li
>
> Currently user can only register spark listener with Scala API, we should add
> this feature to Java API as well.
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