[GitHub] [flink] rkhachatryan commented on a change in pull request #10345: [FLINK-12484][runtime] synchronize all mailbox actions

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rkhachatryan commented on a change in pull request #10345: [FLINK-12484][runtime] synchronize all mailbox actions
URL: https://github.com/apache/flink/pull/10345#discussion_r352365599
 
 

 ##########
 File path: flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/StreamTask.java
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 @@ -148,11 +148,7 @@
 
 	// ------------------------------------------------------------------------
 
-	/**
-	 * All interaction with the {@code StreamOperator} must be synchronized on this lock object to
-	 * ensure that we don't have concurrent method calls that void consistent checkpoints.
-	 */
-	private final Object lock = new Object();
+	private final ExecutionDecorator.SynchronizedExecutionDecorator executionDecorator;
 
 Review comment:
   It's going to be interface after the `getCheckpointLock()` method will be removed - hopefully, next PR.

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