lindong28 commented on code in PR #21621:
URL: https://github.com/apache/flink/pull/21621#discussion_r1066582414


##########
flink-libraries/flink-state-processing-api/src/main/java/org/apache/flink/state/api/output/BootstrapStreamTask.java:
##########
@@ -82,16 +86,14 @@ protected void init() throws Exception {
         mainOperator = mainOperatorAndTimeService.f0;
         mainOperator.initializeState(createStreamTaskStateInitializer());
         mainOperator.open();
+        recordProcessor = 
RecordProcessorUtils.getRecordProcessor(mainOperator);
     }
 
     @Override
     protected void processInput(MailboxDefaultAction.Controller controller) 
throws Exception {
         StreamElement element = input.take();
         if (element.isRecord()) {
-            StreamRecord<IN> streamRecord = element.asRecord();
-
-            mainOperator.setKeyContextElement1(streamRecord);
-            mainOperator.processElement(streamRecord);
+            recordProcessor.accept(element.asRecord());

Review Comment:
   Sounds good. Thanks for the explanation.



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