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Posted to issues@flink.apache.org by "Kostas Kloudas (JIRA)" <ji...@apache.org> on 2017/01/06 13:42:58 UTC
[jira] [Assigned] (FLINK-2646) Rich functions should provide a
method "closeAfterFailure()"
[ https://issues.apache.org/jira/browse/FLINK-2646?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Kostas Kloudas reassigned FLINK-2646:
-------------------------------------
Assignee: Kostas Kloudas (was: Liang Chen)
> Rich functions should provide a method "closeAfterFailure()"
> ------------------------------------------------------------
>
> Key: FLINK-2646
> URL: https://issues.apache.org/jira/browse/FLINK-2646
> Project: Flink
> Issue Type: Improvement
> Components: Core
> Affects Versions: 0.10.0
> Reporter: Stephan Ewen
> Assignee: Kostas Kloudas
> Fix For: 1.0.0
>
>
> Right now, the {{close()}} method of rich functions is invoked in case of proper completion, and in case of canceling in case of error (to allow for cleanup).
> In certain cases, the user function needs to know why it is closed, whether the task completed in a regular fashion, or was canceled/failed.
> I suggest to add a method {{closeAfterFailure()}} to the {{RichFunction}}. By default, this method calls {{close()}}. The runtime is the changed to call {{close()}} as part of the regular execution and {{closeAfterFailure()}} in case of an irregular exit.
> Because by default all cases call {{close()}} the change would not be API breaking.
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