AHeise commented on a change in pull request #11098: [FLINK-16060][task]
Implement working StreamMultipleInputProcessor
URL: https://github.com/apache/flink/pull/11098#discussion_r383181941
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File path:
flink-streaming-java/src/main/java/org/apache/flink/streaming/api/graph/StreamGraphGenerator.java
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@@ -735,6 +739,56 @@ public StreamGraph generate() {
return Collections.singleton(transform.getId());
}
+ private <OUT> Collection<Integer>
transformMultipleInputTransform(MultipleInputTransformation<OUT> transform) {
+ List<Collection<Integer>> allInputIds = new ArrayList<>();
+
+ for (Transformation<?> input : transform.getInputs()) {
+ allInputIds.add(transform(input));
+ }
+
+ // the recursive call might have already transformed this
+ if (alreadyTransformed.containsKey(transform)) {
+ return alreadyTransformed.get(transform);
+ }
+
Review comment:
Should be before transform() of inputs.
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