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From aljoscha <...@git.apache.org>
Subject [GitHub] incubator-flink pull request: Streaming Scala API
Date Mon, 22 Dec 2014 11:27:31 GMT
Github user aljoscha commented on the pull request:

    https://github.com/apache/incubator-flink/pull/275#issuecomment-67827360
  
    Yes, @rmetzger added some magic when he unified Pojo and Tuple keys. TypeComparator has
a method extractKeys() that does exactly that. It extracts the key fields of a tuple or object
and stores them in an array. I think all the infrastructure is there. You can just use Keys.java
and create TypeComparators, those you can use for everything else. Maybe @rmetzger can have
a look and make some suggestions for how this could best be implemented in the Streaming API.


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