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Posted to issues@flink.apache.org by "vinoyang (JIRA)" <ji...@apache.org> on 2018/05/13 08:34:00 UTC
[jira] [Comment Edited] (FLINK-9299) ProcessWindowFunction
documentation Java examples have errors
[ https://issues.apache.org/jira/browse/FLINK-9299?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16473407#comment-16473407 ]
vinoyang edited comment on FLINK-9299 at 5/13/18 8:33 AM:
----------------------------------------------------------
[~yazdanjs] I have done the completed fix. thanks for your contribution!
was (Author: yanghua):
[~yazdanjs] I have did the completed fix. thanks for your contribution!
> ProcessWindowFunction documentation Java examples have errors
> -------------------------------------------------------------
>
> Key: FLINK-9299
> URL: https://issues.apache.org/jira/browse/FLINK-9299
> Project: Flink
> Issue Type: Bug
> Components: Documentation
> Affects Versions: 1.4.2
> Reporter: Ken Krugler
> Assignee: vinoyang
> Priority: Minor
>
> In looking at [https://ci.apache.org/projects/flink/flink-docs-release-1.4/dev/stream/operators/windows.html#processwindowfunction-with-incremental-aggregation], I noticed a few errors...
> * "This allows to incrementally compute windows" should be "This allows it to incrementally compute windows"
> * DataStream<Tuple2<String, Long> input = ...; should be DataStream<Tuple2<String, Long>> input = ...;
> * The getResult() method needs to cast one of the accumulator values to a double, if that's what it is going to return.
> * MyProcessWindowFunction needs to extend, not implement ProcessWindowFunction
> * MyProcessWindowFunction needs to implement a process() method, not an apply() method.
> * The call to .timeWindow takes a Time parameter, not a window assigner.
>
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