com.gs.collections.impl.block.procedure

Class MutatingAggregationProcedure<T,K,V>

java.lang.Object

com.gs.collections.impl.block.procedure.MutatingAggregationProcedure<T,K,V>

All Implemented Interfaces:

com.gs.collections.api.block.procedure.Procedure<T>, java.io.Serializable

public final class MutatingAggregationProcedure<T,K,V>
extends java.lang.Object
implements com.gs.collections.api.block.procedure.Procedure<T>

This procedure is used to apply an aggregate function like sum on a grouped set of data. The values in the grouping must be mutable using this procedure. An example would be using an AtomicInteger which can be mutated vs. an Integer which cannot.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
MutatingAggregationProcedure(com.gs.collections.api.map.MutableMap<K,V> map, com.gs.collections.api.block.function.Function<? super T,? extends K> groupBy, com.gs.collections.api.block.function.Function0<? extends V> zeroValueFactory, com.gs.collections.api.block.procedure.Procedure2<? super V,? super T> mutatingAggregator)

Method Summary

Methods

Modifier and Type	Method and Description
void	value(T each)

Methods inherited from class java.lang.Object

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

Constructor Detail

MutatingAggregationProcedure

public MutatingAggregationProcedure(com.gs.collections.api.map.MutableMap<K,V> map,
                            com.gs.collections.api.block.function.Function<? super T,? extends K> groupBy,
                            com.gs.collections.api.block.function.Function0<? extends V> zeroValueFactory,
                            com.gs.collections.api.block.procedure.Procedure2<? super V,? super T> mutatingAggregator)

Method Detail

value

public void value(T each)

Specified by:

value in interface com.gs.collections.api.block.procedure.Procedure<T>