1u0 commented on a change in pull request #8692: [FLINK-12804] Introduce
mailbox-based ExecutorService
URL: https://github.com/apache/flink/pull/8692#discussion_r298125132
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
##########
@@ -226,13 +219,18 @@ protected StreamTask(
this.accumulatorMap =
getEnvironment().getAccumulatorRegistry().getUserMap();
this.recordWriters = createRecordWriters(configuration,
environment);
this.syncSavepointLatch = new SynchronousSavepointLatch();
- this.mailbox = new MailboxImpl();
+ this.mailboxProcessor = new MailboxProcessor(this);
Review comment:
Currently the `MailboxDefaultAction` interface has only one abstract method.
You can write `new MailboxProcessor(this::performDefaultAction)` instead and
remove `MailboxDefaultAction` from `StreamTask implements`.
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