szetszwo commented on code in PR #8073:
URL: https://github.com/apache/ozone/pull/8073#discussion_r1996964647
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hadoop-hdds/framework/src/main/java/org/apache/hadoop/hdds/utils/db/cache/TableCache.java:
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@@ -34,6 +34,7 @@
@Private
@Evolving
public interface TableCache<KEY, VALUE> {
+ CacheResult<?> MAY_EXIST = new
CacheResult<>(CacheResult.CacheStatus.MAY_EXIST, null);
Review Comment:
Add also `mapExist()` method. The is the Collections.emptyList() trick.
```java
static <T> CacheResult<T> mapExist() {
return CacheResult<T> MAY_EXIST;
}
```
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