Github user aljoscha commented on a diff in the pull request: https://github.com/apache/flink/pull/2648#discussion_r83664806 --- Diff: flink-core/src/main/java/org/apache/flink/api/common/functions/RuntimeContext.java --- @@ -48,7 +43,7 @@ * {@link AbstractRichFunction#getRuntimeContext()}. */ @Public -public interface RuntimeContext { +public interface RuntimeContext extends KeyedStateStore { --- End diff -- I think it would be better to not have `RuntimeContext` be a `KeyedStateStore`. In the not-so-far future `RuntimeContext` will probably provide a `KeyedStateStore` or at least use one internally to implement the state methods. Properly separating the two now seems prudent.
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