Github user aljoscha commented on a diff in the pull request:
https://github.com/apache/flink/pull/2768#discussion_r89161821
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/AbstractStreamOperator.java
---
@@ -487,7 +487,7 @@ protected ProcessingTimeService
getProcessingTimeService() {
* @throws IllegalStateException Thrown, if the key/value state was
already initialized.
* @throws Exception Thrown, if the state backend cannot create the
key/value state.
*/
- protected <S extends State> S getPartitionedState(StateDescriptor<S, ?>
stateDescriptor) throws Exception {
+ protected <V, S extends State<V>> S
getPartitionedState(StateDescriptor<S> stateDescriptor) throws Exception {
--- End diff --
Here, the same thing I mentioned on `KeyedStateBackend` holds, we don't
need the additional `V` parameter.
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