[GitHub] [flink] zhuzhurk commented on a diff in pull request #21576: [FLINK-30533][runtime] SourceOperator#emitNext() should push records to DataOutput in a while loop

[GitBox]

zhuzhurk commented on code in PR #21576:
URL: https://github.com/apache/flink/pull/21576#discussion_r1061321478


##########
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/operators/SourceOperator.java:
##########
@@ -212,6 +217,7 @@ public SourceOperator(
         this.operatingMode = OperatingMode.OUTPUT_NOT_INITIALIZED;
         this.watermarkAlignmentParams = 
watermarkStrategy.getAlignmentParameters();
         this.allowUnalignedSourceSplits = 
configuration.get(ALLOW_UNALIGNED_SOURCE_SPLITS);
+        this.mailboxHasMail = mailboxHasMail;

Review Comment:
   ```suggestion
           this.mailboxHasMail = checkNotNull(mailboxHasMail);
   ```



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