local.tomas.util.collections
Class MappedComparator<F,T>

java.lang.Object
  local.tomas.util.collections.MappedComparator<F,T>

Type Parameters:

F - original operand type

T - mapped operand type

All Implemented Interfaces:

Comparator<F>

public class MappedComparator<F,T>
extends Object
implements Comparator<F>

Mapped comparator. A mapped comparator maps each operand through a mapping before comparing them.

Author:

tomas.teubner

Constructor Summary

MappedComparator(Comparator<? super T> comp, ObjectMapping<T> mapping)
Construct mapped comparator.

Method Summary

int	compare(F o1, F o2)

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals

Constructor Detail

MappedComparator

public MappedComparator(Comparator<? super T> comp,
                        ObjectMapping<T> mapping)

Construct mapped comparator.

Parameters:

comp - the original comparator

mapping - the mapping

Method Detail

compare

public int compare(F o1,
                   F o2)

Specified by:

compare in interface Comparator<F>