xuyangzhong commented on code in PR #25815:
URL: https://github.com/apache/flink/pull/25815#discussion_r1906571795
##########
flink-runtime/src/test/java/org/apache/flink/streaming/util/KeyedTwoInputStreamOperatorTestHarness.java:
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@@ -64,8 +67,24 @@ public KeyedTwoInputStreamOperatorTestHarness(
}
public int numKeyedStateEntries() {
- AbstractStreamOperator<?> abstractStreamOperator =
(AbstractStreamOperator<?>) operator;
- KeyedStateBackend<Object> keyedStateBackend =
abstractStreamOperator.getKeyedStateBackend();
+ KeyedStateBackend<?> keyedStateBackend;
+ if (operator instanceof AbstractAsyncStateStreamOperator) {
Review Comment:
The number of calls is actually relatively small, and it will only be called
when `numKeyedStateEntries` needs to be verified.
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