[jira] [Created] (FLINK-21347) Extract interface out of ExecutionGraph for better testability

[Shang Yuanchun (Jira)]

Robert Metzger created FLINK-21347:
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             Summary: Extract interface out of ExecutionGraph for better testability
                 Key: FLINK-21347
                 URL: https://issues.apache.org/jira/browse/FLINK-21347
             Project: Flink
          Issue Type: Task
          Components: Runtime / Coordination
            Reporter: Robert Metzger


This is a follow up to this comment: https://github.com/apache/flink/pull/14879#discussion_r573613450

The ExecutionGraph class is currently not very handy for tests, as it has a lot of dependencies. Extracting an interface for the ExecutionGraph will make testing and future changes easier.



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