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From "Dawid Wysakowicz (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-4641) Support branching CEP patterns
Date Thu, 06 Jul 2017 09:34:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-4641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16076241#comment-16076241
] 

Dawid Wysakowicz commented on FLINK-4641:
-----------------------------------------

In the first case I think it depends on the continuity between {{a}} and the {{group pattern}}.
1 - is valid for skip till next(or strict), 2 - for skip till any

In second example to which patterns applies the {{OR}}? If the {{OR}} applies to  {{c.times(1,inf)}}
and {{d}} then I think there is no matches as there is only one {{b}}. Also what continuity
should I assume? The skip till any?


> Support branching CEP patterns 
> -------------------------------
>
>                 Key: FLINK-4641
>                 URL: https://issues.apache.org/jira/browse/FLINK-4641
>             Project: Flink
>          Issue Type: Sub-task
>          Components: CEP
>            Reporter: Till Rohrmann
>            Assignee: Dian Fu
>
> We should add support for branching CEP patterns to the Pattern API. 
> {code}
>     |--> B --|
>     |        |
> A --         --> D
>     |        |
>     |--> C --|
> {code}
> This feature will require changes to the {{Pattern}} class and the {{NFACompiler}}.



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