[jira] [Updated] (FLINK-3320) Add not operator to CEP's pattern API

["Kostas Kloudas (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-3320?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kostas Kloudas updated FLINK-3320:
----------------------------------
    Priority: Blocker  (was: Minor)

> Add not operator to CEP's pattern API
> -------------------------------------
>
>                 Key: FLINK-3320
>                 URL: https://issues.apache.org/jira/browse/FLINK-3320
>             Project: Flink
>          Issue Type: Improvement
>          Components: CEP
>    Affects Versions: 1.0.0
>            Reporter: Till Rohrmann
>            Assignee: Dawid Wysakowicz
>            Priority: Blocker
>
> Currently, CEP's pattern API is lacking a {{not}} operator which would you allow to define which events must not occur in a matched pattern. It would be beneficial to add this operator in order to increase the set of supported patterns.
> {code}
> Pattern.begin("start").where(...).followedBy("middle").notFollowedBy("not").where(...).notNext("not2").where(...)
> {code}



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