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Posted to issues@flink.apache.org by "Kostas Kloudas (JIRA)" <ji...@apache.org> on 2017/02/20 08:59:44 UTC

[jira] [Updated] (FLINK-5845) CEP: unify key and non-keyed operators

     [ https://issues.apache.org/jira/browse/FLINK-5845?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Kostas Kloudas updated FLINK-5845:
----------------------------------
    Issue Type: Sub-task  (was: Bug)
        Parent: FLINK-5420

> CEP: unify key and non-keyed operators
> --------------------------------------
>
>                 Key: FLINK-5845
>                 URL: https://issues.apache.org/jira/browse/FLINK-5845
>             Project: Flink
>          Issue Type: Sub-task
>          Components: CEP
>    Affects Versions: 1.3.0
>            Reporter: Kostas Kloudas
>            Assignee: Kostas Kloudas
>             Fix For: 1.3.0
>
>
> Currently the keyed and non-keyed operators in the CEP library have different implementations. This issue targets to unify them into one. 
> This new implementation will always be applied on a keyed stream, and in the case of non-keyed usecases, the input stream will be keyed on a dummy keye, as done in the case of the {{DataStream.windowAll()}} method, where the input stream is keyed using the {{NullByteKeySelector}}.
> This is a first step towards making the CEP operators rescalable.



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