Github user tedyu commented on a diff in the pull request:
https://github.com/apache/flink/pull/3541#discussion_r112071560
--- Diff:
flink-libraries/flink-cep/src/test/java/org/apache/flink/cep/SubEvent.java ---
@@ -31,6 +31,18 @@ public double getVolume() {
}
@Override
+ public boolean equals(Object obj) {
+ return obj instanceof SubEvent &&
+ super.equals(obj) &&
+ ((SubEvent) obj).volume == volume;
+ }
+
+ @Override
+ public int hashCode() {
+ return super.hashCode() + (int) volume;
--- End diff --
Common practice is to multiply super.hashCode() by a prime (e.g. 37)
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