sunhaibotb commented on a change in pull request #8124: [FLINK-11877] Implement the runtime handling of the InputSelectable interface URL: https://github.com/apache/flink/pull/8124#discussion_r274742418
########## File path: flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/consumer/UnionInputGate.java ########## @@ -197,22 +217,23 @@ public void requestPartitions() throws IOException, InterruptedException { return Optional.of(bufferOrEvent); } - @Override - public Optional<BufferOrEvent> pollNextBufferOrEvent() throws UnsupportedOperationException { - throw new UnsupportedOperationException(); - } - - private InputGateWithData waitAndGetNextInputGate() throws IOException, InterruptedException { + private InputGateWithData waitAndGetNextInputGate(boolean blocking) throws IOException, InterruptedException { Review comment: Returning optional<...> will have a bit performance penalty. And considering that it's private , still stay the same? ---------------------------------------------------------------- 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