public interface Aggregation<T>
Modifier and Type | Method and Description |
---|---|
T |
avg(java.util.Collection<T> items) |
int |
count(java.util.Collection<T> items) |
java.lang.Class<T> |
getResultClass() |
java.util.EnumSet<AggregationInfo.Type> |
getSupportedAggregationTypes() |
T |
max(java.util.Collection<T> items) |
T |
min(java.util.Collection<T> items) |
T |
sum(java.util.Collection<T> items) |
int count(java.util.Collection<T> items)
java.lang.Class<T> getResultClass()
java.util.EnumSet<AggregationInfo.Type> getSupportedAggregationTypes()