org.eclipse.viatra.query.runtime.matchers.aggregators

Class sum

java.lang.Object

org.eclipse.viatra.query.runtime.matchers.aggregators.sum

All Implemented Interfaces:

IAggregatorFactory

public final class sum
extends java.lang.Object
implements IAggregatorFactory

This aggregator calculates the sum of the values of a selected aggregate parameter of a called pattern. The aggregate parameter is selected with the '#' symbol; the aggregate parameter must not be used outside the aggregator call. The other parameters of the call might be bound or unbound; bound parameters limit the matches to consider for the summation.

Since:

1.4

Constructor Summary

Constructors

Constructor and Description
sum()

Method Summary

Modifier and Type	Method and Description
BoundAggregator	getAggregatorLogic(java.lang.Class<?> domainClass) Given type parameters selected from AggregatorType annotations, returns a run-time aggregator operator that is bound to the actual types.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

sum

public sum()

Method Detail

getAggregatorLogic

public BoundAggregator getAggregatorLogic(java.lang.Class<?> domainClass)

Description copied from interface: IAggregatorFactory

Given type parameters selected from AggregatorType annotations, returns a run-time aggregator operator that is bound to the actual types.

Specified by:

getAggregatorLogic in interface IAggregatorFactory

Parameters:

domainClass - Java type of the values that are being aggregated

Returns:

the actual run-time aggregator logic, with type bindings