xintongsong commented on code in PR #21576:
URL: https://github.com/apache/flink/pull/21576#discussion_r1060259412
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flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java:
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@@ -990,6 +991,10 @@ public MailboxExecutorFactory getMailboxExecutorFactory() {
return this.mailboxProcessor::getMailboxExecutor;
}
+ public Supplier<Boolean> getMailboxHasMail() {
+ return this.mailboxProcessor::hasMail;
Review Comment:
With this change, the `@VisibleForTesting` annotation can be removed for
`MailboxProcessor#hasMail`.
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