Github user chenqin commented on a diff in the pull request:
https://github.com/apache/flink/pull/3484#discussion_r104846393
--- Diff:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/datastream/SingleOutputStreamOperator.java
---
@@ -416,4 +418,35 @@ 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}.
+ *
+ * <p>Example:
+ * <pre>{@code
+ * static final OutputTag<X> sideOutputTag = new
OutputTag<X>("side-output") {};
+ *
+ * public void flatMap(X value, Collector<String> out) throws Exception
{
--- End diff --
Comments seems out of date, I think we already decided to get ride of
CollectorWrapper
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