[
https://issues.apache.org/jira/browse/FLINK-8560?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16366201#comment-16366201
]
ASF GitHub Bot commented on FLINK-8560:
---------------------------------------
Github user bowenli86 commented on the issue:
https://github.com/apache/flink/pull/5481
@aljoscha @pnowojski Guys, quick question. I'm about to develop
`KeyedProcessFunction` and its operator in a keyed stream. But I found there's
already a `KeyedProcessOperator` which is for `ProcessFunction` in a keyed
stream. Shall I create a new operator named something like
`KeyedProcessFunctionOperator`?
Thanks,
Bowen
> add KeyedProcessFunction to expose the key in onTimer() and other methods
> -------------------------------------------------------------------------
>
> Key: FLINK-8560
> URL: https://issues.apache.org/jira/browse/FLINK-8560
> Project: Flink
> Issue Type: Improvement
> Components: DataStream API
> Affects Versions: 1.4.0
> Reporter: Jürgen Thomann
> Assignee: Bowen Li
> Priority: Major
> Fix For: 1.5.0
>
>
> Currently it is required to store the key of a keyBy() in the processElement
> method to have access to it in the OnTimerContext.
> This is not so good as you have to check in the processElement method for
> every element if the key is already stored and set it if it's not already set.
> A possible solution would adding OnTimerContext#getCurrentKey() or a similar
> method. Maybe having it in the open() method could maybe work as well.
> http://apache-flink-user-mailing-list-archive.2336050.n4.nabble.com/Getting-Key-from-keyBy-in-ProcessFunction-tt18126.html
--
This message was sent by Atlassian JIRA
(v7.6.3#76005)
