Kostas Kloudas created FLINK-5845:
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Summary: CEP: unify key and non-keyed operators
Key: FLINK-5845
URL: https://issues.apache.org/jira/browse/FLINK-5845
Project: Flink
Issue Type: Bug
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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