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https://issues.apache.org/jira/browse/FLINK-6244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15953590#comment-15953590
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Kostas Kloudas commented on FLINK-6244:
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The only problem I can find, and we have to think of how to handle, is
backwards compatibility.
The already existing {{CEP}} programs (if any) would expect the timed-out
patterns in the old format ({{Either}}).
I would suggest that the best way to see how to proceed is to open a discussion
in the dev mailing list with the proposed change.
This will allow us to see 1) if anybody uses the CEP library, and 2) if users
that already have a running job are ok with the change.
What do you think?
> Emit timeouted Patterns as Side Output
> --------------------------------------
>
> Key: FLINK-6244
> URL: https://issues.apache.org/jira/browse/FLINK-6244
> Project: Flink
> Issue Type: Improvement
> Components: CEP
> Affects Versions: 1.3.0
> Reporter: Dawid Wysakowicz
> Fix For: 1.3.0
>
>
> Now that we have SideOuputs I think timeouted patterns should be emitted into
> them rather than producing a stream of `Either`
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