org.dashbuilder.dataset.group

Interface AggregateFunction

public interface AggregateFunction

Interface used to get the aggregate value of a given collection.

Aggregate functions are used to calculate the aggregate values of the intervals belonging to a given data set domain property.

Method Summary

Modifier and Type	Method and Description
Object	aggregate(List values)
Object	aggregate(List values, List<Integer> rows)
AggregateFunctionType	getType()

Method Detail

getType

AggregateFunctionType getType()

aggregate

Object aggregate(List values)

aggregate

Object aggregate(List values,
                 List<Integer> rows)