Till Rohrmann created FLINK-4457:
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Summary: Make the ExecutionGraph independent of Akka
Key: FLINK-4457
URL: https://issues.apache.org/jira/browse/FLINK-4457
Project: Flink
Issue Type: Improvement
Components: Distributed Coordination
Reporter: Till Rohrmann
Currently, the {{ExecutionGraph}} strongly depends on Akka as it requires an
{{ActorSystem}} to create the {{CheckpointCoordinatorDeActivator}}.
Furthermore, it allows {{ActorGateways}} to register for job status and
execution updates.
In order to improve modularization and abstraction I propose to introduce
proper listener interfaces. This would also allow to get rid of the
{{CheckpointCoordinatorDeActivator}} by simply implementing this interface.
Furthermore it will pave the way for the upcoming Flip-6 refactoring as it
offers a better abstraction.
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