zhijiangW commented on a change in pull request #11507: [FLINK-16587] Add basic CheckpointBarrierHandler for unaligned checkpoint URL: https://github.com/apache/flink/pull/11507#discussion_r400827561
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/InputGate.java ########## @@ -107,6 +107,20 @@ return availabilityHelper.getAvailableFuture(); } + /** + * Returns the index of this gate in respect to the consuming operator instance. + */ + public int getGateIndex() { + throw new UnsupportedOperationException(); Review comment: Are there any benefits for implementing unsupported way in default? If all the normal subclasses should implement it, it is better to define as abstract, otherwise the new added subclasses would not be aware of this method and cause unexpected exceptions in practice. ---------------------------------------------------------------- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. For queries about this service, please contact Infrastructure at: us...@infra.apache.org With regards, Apache Git Services