sunhaibotb commented on a change in pull request #8476: [FLINK-12490][network]
Introduce Input and NetworkInput interfaces
URL: https://github.com/apache/flink/pull/8476#discussion_r286742814
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/io/StreamInputProcessor.java
##########
@@ -156,9 +129,41 @@ public StreamInputProcessor(
}
public boolean processInput() throws Exception {
- if (isFinished) {
- return false;
+ initializeNumRecordsIn();
+
+ StreamElement recordOrMark = input.pollNext();
+ if (recordOrMark == null) {
+ input.isAvailable().get();
+ return input.isFinished();
}
+
+ processElement(recordOrMark);
+ return true;
+ }
+
+ private void processElement(StreamElement recordOrMark) throws
Exception {
+ if (recordOrMark.isWatermark()) {
+ // handle watermark
+
statusWatermarkValve.inputWatermark(recordOrMark.asWatermark(), currentChannel);
Review comment:
In fact, I care about that the input channel index is exposed to input
processors. As long as it's not exposed to the input processor (for example,
encapsulating a class as you said), it's fine to me.
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