yunfengzhou-hub commented on code in PR #24272:
URL: https://github.com/apache/flink/pull/24272#discussion_r1502324525
##########
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/transformations/PhysicalTransformation.java:
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@@ -76,4 +76,8 @@ public void setSupportsConcurrentExecutionAttempts(
boolean supportsConcurrentExecutionAttempts) {
this.supportsConcurrentExecutionAttempts =
supportsConcurrentExecutionAttempts;
}
+
+ public boolean isOutputOnlyAfterEndOfStream() {
+ return false;
Review Comment:
I just realized that this method is only used in
xxxInputTransformationTranslator, and in all these usages the invoker methods
know the concrete subclass of the physical transformation. Thus I removed this
method and only kept the implementations in subclasses.
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