JingsongLi commented on code in PR #199:
URL: https://github.com/apache/flink-table-store/pull/199#discussion_r914514054
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flink-table-store-core/src/main/java/org/apache/flink/table/store/file/predicate/CompoundPredicate.java:
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@@ -72,12 +72,26 @@ public boolean equals(Object o) {
}
/** Evaluate the predicate result based on multiple {@link Predicate}s. */
- public interface Function extends Serializable {
+ public abstract static class Function implements Serializable {
- boolean test(Object[] values, List<Predicate> children);
+ public abstract boolean test(Object[] values, List<Predicate>
children);
- boolean test(long rowCount, FieldStats[] fieldStats, List<Predicate>
children);
+ public abstract boolean test(
+ long rowCount, FieldStats[] fieldStats, List<Predicate>
children);
- Optional<Predicate> negate(List<Predicate> children);
+ public abstract Optional<Predicate> negate(List<Predicate> children);
+
+ @Override
+ public int hashCode() {
+ return this.getClass().getName().hashCode();
+ }
+
+ @Override
+ public boolean equals(Object o) {
+ if (this == o) {
+ return true;
+ }
+ return o != null && getClass() == o.getClass();
+ }
Review Comment:
After deserialization, the instance becomes different
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