rkhachatryan commented on a change in pull request #11098: [FLINK-16060][task]
Implement working StreamMultipleInputProcessor
URL: https://github.com/apache/flink/pull/11098#discussion_r380654321
##########
File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraph.java
##########
@@ -330,6 +332,34 @@ public boolean isIterative() {
}
}
+ public <OUT> void addMultipleInputOperator(
+ Integer vertexID,
+ String slotSharingGroup,
+ @Nullable String coLocationGroup,
+ StreamOperatorFactory<OUT> operatorFactory,
+ List<TypeInformation<?>> inTypeInfos,
+ TypeInformation<OUT> outTypeInfo,
+ String operatorName) {
+
+ Class<? extends AbstractInvokable> vertexClass =
MultipleInputStreamTask.class;
+
+ addNode(vertexID, slotSharingGroup, coLocationGroup,
vertexClass, operatorFactory, operatorName);
+
+ TypeSerializer<OUT> outSerializer = (outTypeInfo != null) &&
!(outTypeInfo instanceof MissingTypeInfo) ?
+ outTypeInfo.createSerializer(executionConfig) : null;
+
Review comment:
nit: extract method (repeated 4 times)?
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