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Posted to issues@flink.apache.org by "Kostas Kloudas (JIRA)" <ji...@apache.org> on 2017/02/24 10:24:44 UTC
[jira] [Closed] (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 closed FLINK-5845.
---------------------------------
Resolution: Fixed
> 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 key, 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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