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https://issues.apache.org/jira/browse/FLINK-5113?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15735511#comment-15735511
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ASF GitHub Bot commented on FLINK-5113:
---------------------------------------
Github user zentol commented on a diff in the pull request:
https://github.com/apache/flink/pull/2939#discussion_r91720508
--- Diff:
flink-streaming-java/src/test/java/org/apache/flink/streaming/runtime/tasks/SourceStreamTaskTest.java
---
@@ -199,11 +200,13 @@ public Serializable snapshotState(long checkpointId,
long checkpointTimestamp) t
Assert.fail("Count is different at start end
end of snapshot.");
}
semaphore.release();
- return sum;
+ return Collections.singletonList((Serializable) sum);
--- End diff --
You don't to cast here, instead use `return
Collections.<Serializable>singletonList(sum);`
> Make all Testing Functions implement CheckpointedFunction Interface.
> --------------------------------------------------------------------
>
> Key: FLINK-5113
> URL: https://issues.apache.org/jira/browse/FLINK-5113
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Affects Versions: 1.2.0
> Reporter: Kostas Kloudas
> Assignee: Kostas Kloudas
> Fix For: 1.2.0
>
>
> Currently stateful functions implement the (old) Checkpointed interface.
> This is issue aims at porting all these function to the new
> CheckpointedFunction interface, so that they can leverage the new
> capabilities by it.
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