vinoyang created FLINK-14720:
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Summary: Bring down ExecutionVertex#deployToSlot access modifier
and mark it with @VisibleForTesting annotation
Key: FLINK-14720
URL: https://issues.apache.org/jira/browse/FLINK-14720
Project: Flink
Issue Type: Improvement
Reporter: vinoyang
>From tracking the call chain of {{ExecutionVertex#deployToSlot}}, it seems
>this method is only been called in the test code. IMO, we'd better bring down
>{{ExecutionVertex#deployToSlot}} access modifier and mark it with
>@VisibleForTesting annotation to reduce the risk of incorrect calls
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