Github user StephanEwen commented on the pull request:
https://github.com/apache/flink/pull/872#issuecomment-116745707
The partitioner function in Scala was simply added as a mirror of the Java
API.
The batch API is stable, that means at most we can add a Scala function and
deprecate the partitioner.
---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastruct...@apache.org or file a JIRA ticket
with INFRA.
---
