noorall commented on code in PR #25414:
URL: https://github.com/apache/flink/pull/25414#discussion_r1851480334
##########
flink-runtime/src/test/java/org/apache/flink/runtime/jobgraph/forwardgroup/ForwardGroupComputeUtilTest.java:
##########
@@ -182,7 +319,56 @@ private static Set<ForwardGroup>
computeForwardGroups(JobVertex... vertices) {
private static void checkGroupSize(
Set<ForwardGroup> groups, int numOfGroups, Integer... sizes) {
assertThat(groups.size()).isEqualTo(numOfGroups);
-
assertThat(groups.stream().map(ForwardGroup::size).collect(Collectors.toList()))
+ assertThat(
+ groups.stream()
+ .map(
+ group -> {
+ if (group instanceof
JobVertexForwardGroup) {
+ return
((JobVertexForwardGroup) group).size();
+ } else {
+ return
((StreamNodeForwardGroup) group).size();
+ }
+ })
+ .collect(Collectors.toList()))
Review Comment:
> Looks to me this change is not needed if invoking this method as proposed
in other comments.
The size method in ForwardGroup is only used in tests, so we removed it when
abstracting the interface.
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