zhijiangW commented on a change in pull request #9717: [FLINK-14044] [runtime]
Reducing synchronization in AsyncWaitOperator
URL: https://github.com/apache/flink/pull/9717#discussion_r328459063
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/TimestampedCollector.java
##########
@@ -71,4 +73,19 @@ public void eraseTimestamp() {
public void close() {
output.close();
}
+
+ @Override
+ public void emitWatermark(Watermark mark) {
+ output.emitWatermark(mark);
+ }
+
+ @Override
+ public <X> void collect(OutputTag<X> outputTag, StreamRecord<X> record)
{
Review comment:
It is involved in three new methods by implementing `Output` interface
instead. But actually we only need the `emitWatermark` method, and the left two
methods would never be touched in codes. If so, another option is that we can
only define `emitWatermark` method here and still implement `Collector`
interface.
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