[jira] [Created] (FLINK-14720) Bring down ExecutionVertex#deployToSlot access modifier and mark it with @VisibleForTesting annotation

[Shang Yuanchun (Jira)]

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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