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https://issues.apache.org/jira/browse/FLINK-4997?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15667222#comment-15667222
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ASF GitHub Bot commented on FLINK-4997:
---------------------------------------
Github user VenturaDelMonte commented on a diff in the pull request:
https://github.com/apache/flink/pull/2756#discussion_r88021488
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/WindowedStream.java
---
@@ -800,4 +907,39 @@ public StreamExecutionEnvironment
getExecutionEnvironment() {
public TypeInformation<T> getInputType() {
return input.getType();
}
+
+ private static <T, R, K, W extends Window> ProcessWindowFunction<T, R,
K, W> wrapWindowFunction(final WindowFunction<T, R, K, W> cleanedFunction) {
--- End diff --
Aljoscha you read my mind, I was just introducing InternalWindowFunction in
these other WindowOperators in order to have a flatter implementation flatter.
Regarding their removal, I checked that new work and I agree with you.
> Extending Window Function Metadata
> ----------------------------------
>
> Key: FLINK-4997
> URL: https://issues.apache.org/jira/browse/FLINK-4997
> Project: Flink
> Issue Type: New Feature
> Components: DataStream API, Streaming, Windowing Operators
> Reporter: Ventura Del Monte
> Assignee: Ventura Del Monte
> Fix For: 1.2.0
>
>
> https://cwiki.apache.org/confluence/display/FLINK/FLIP-2+Extending+Window+Function+Metadata
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