[ https://issues.apache.org/jira/browse/FLINK-4456?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15474159#comment-15474159 ] 

ASF GitHub Bot commented on FLINK-4456:
---------------------------------------

Github user asfgit closed the pull request at:

    https://github.com/apache/flink/pull/2456


> Replace ActorGateway in Task by interface
> -----------------------------------------
>
>                 Key: FLINK-4456
>                 URL: https://issues.apache.org/jira/browse/FLINK-4456
>             Project: Flink
>          Issue Type: Improvement
>          Components: TaskManager
>            Reporter: Till Rohrmann
>            Assignee: Till Rohrmann
>
> The {{Task}} communicates with the outside world ({{JobManager}} and {{TaskManager}}) via {{ActorGateways}}. This bakes in the dependency on actors.
> In terms of modularization and an improved abstraction (especially wrt Flip-6) I propose to replace the {{ActorGateways}} by interfaces which exposes the required methods. The current implementation would then simply wrap the method calls in messages and send them via the {{ActorGateway}} to the recipient.
> In Flip-6 the {{JobMaster}} could simply implement these interfaces as part of their RPC contract.



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