[GitHub] [flink] sunhaibotb commented on a change in pull request #8467: [FLINK-12535][network] Make CheckpointBarrierHandler non-blocking

[GitBox <gi...@apache.org>]

sunhaibotb commented on a change in pull request #8467: [FLINK-12535][network] Make CheckpointBarrierHandler non-blocking
URL: https://github.com/apache/flink/pull/8467#discussion_r285495322
 
 

 ##########
 File path: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/InputGate.java
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 @@ -68,7 +69,7 @@
  * will have an input gate attached to it. This will provide its input, which will consist of one
  * subpartition from each partition of the intermediate result.
  */
-public abstract class InputGate implements AutoCloseable {
+public abstract class InputGate implements AsyncDataInput<Optional<BufferOrEvent>>, AutoCloseable {
 
 	public static final CompletableFuture<?> AVAILABLE = CompletableFuture.completedFuture(null);
 
 Review comment:
   The `InputGate#AVAILABLE`  should be removed because the new `AsyncDataInput` interface already has `AVAILABLE`.

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