pnowojski commented on a change in pull request #13234:
URL: https://github.com/apache/flink/pull/13234#discussion_r478505421
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/runtime/tasks/OperatorChain.java
##########
@@ -208,19 +206,100 @@ public OperatorChain(
OperatorChain(
List<StreamOperatorWrapper<?, ?>> allOperatorWrappers,
RecordWriterOutput<?>[] streamOutputs,
- WatermarkGaugeExposingOutput<StreamRecord<OUT>>
chainEntryPoint,
- StreamOperatorWrapper<OUT, OP> headOperatorWrapper) {
+ WatermarkGaugeExposingOutput<StreamRecord<OUT>>
mainOperatorOutput,
+ StreamOperatorWrapper<OUT, OP> mainOperatorWrapper) {
this.streamOutputs = checkNotNull(streamOutputs);
- this.chainEntryPoint = checkNotNull(chainEntryPoint);
+ this.mainOperatorOutput = checkNotNull(mainOperatorOutput);
this.operatorEventDispatcher = null;
checkState(allOperatorWrappers != null &&
allOperatorWrappers.size() > 0);
- this.headOperatorWrapper = checkNotNull(headOperatorWrapper);
+ this.mainOperatorWrapper = checkNotNull(mainOperatorWrapper);
this.tailOperatorWrapper = allOperatorWrappers.get(0);
this.numOperators = allOperatorWrappers.size();
+ this.chainedSourceOutputs = new ChainedSourceOutputs();
- linkOperatorWrappers(allOperatorWrappers);
+ firstOperatorWrapper =
linkOperatorWrappers(allOperatorWrappers);
+ }
+
+ private void createChainOutputs(
+ List<StreamEdge> outEdgesInOrder,
+ RecordWriterDelegate<SerializationDelegate<StreamRecord<OUT>>>
recordWriterDelegate,
+ Map<Integer, StreamConfig> chainedConfigs,
+ StreamTask<OUT, OP> containingTask,
+ Map<StreamEdge, RecordWriterOutput<?>> streamOutputMap) {
+ for (int i = 0; i < outEdgesInOrder.size(); i++) {
+ StreamEdge outEdge = outEdgesInOrder.get(i);
+
+ RecordWriterOutput<?> streamOutput = createStreamOutput(
+ recordWriterDelegate.getRecordWriter(i),
+ outEdge,
+ chainedConfigs.get(outEdge.getSourceId()),
+ containingTask.getEnvironment());
+
+ this.streamOutputs[i] = streamOutput;
+ streamOutputMap.put(outEdge, streamOutput);
+ }
+ }
+
+ private ChainedSourceOutputs createChainedInputs(
Review comment:
😄
It makes sense. It creates chained inputs, and it's purpose is to return a
collection of those chained source's outputs. But I can change the
`ChainedSourceOutputs` name to `ChainedSources`
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