[jira] [Resolved] (FLINK-4457) Make the ExecutionGraph independent of Akka

["Stephan Ewen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-4457?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Stephan Ewen resolved FLINK-4457.
---------------------------------
       Resolution: Fixed
    Fix Version/s: 1.2.0

Fixed via 635c869326cc77e4199e4d8ee597aed69ed16cd2

> 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
>            Assignee: Stephan Ewen
>             Fix For: 1.2.0
>
>
> 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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