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https://issues.apache.org/jira/browse/FLINK-4460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15925916#comment-15925916
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ASF GitHub Bot commented on FLINK-4460:
---------------------------------------
Github user kl0u commented on a diff in the pull request:
https://github.com/apache/flink/pull/3484#discussion_r106138342
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/SingleOutputStreamOperator.java
---
@@ -416,4 +428,26 @@ private boolean canBeParallel() {
transformation.setSlotSharingGroup(slotSharingGroup);
return this;
}
+
+ /**
+ * Gets the {@link DataStream} that contains the elements that are
emitted from an operation
+ * into the side output with the given {@link OutputTag}.
+ *
+ * @see
org.apache.flink.streaming.api.functions.ProcessFunction.Context#output(OutputTag,
Object)
+ */
+ public <X> DataStream<X> getSideOutput(OutputTag<X> sideOutputTag){
+ sideOutputTag = clean(sideOutputTag);
--- End diff --
I think it is better to not reuse the argument variable but create a new
one.
> Side Outputs in Flink
> ---------------------
>
> Key: FLINK-4460
> URL: https://issues.apache.org/jira/browse/FLINK-4460
> Project: Flink
> Issue Type: New Feature
> Components: Core, DataStream API
> Affects Versions: 1.2.0, 1.1.3
> Reporter: Chen Qin
> Assignee: Chen Qin
> Labels: latearrivingevents, sideoutput
>
> https://docs.google.com/document/d/1vg1gpR8JL4dM07Yu4NyerQhhVvBlde5qdqnuJv4LcV4/edit?usp=sharing
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