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https://issues.apache.org/jira/browse/FLINK-9299?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Stephan Ewen resolved FLINK-9299.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.5.0
Fixed in
- 1.5.0 via 94391d89a49abda9e1b82cc2bc44daa8159da9e1dd6
- 1.6.0 via 22531a87158a725804734b27e091ff6597686
> 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
> Fix For: 1.5.0
>
>
> 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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