org.uma.jmetal.util.comparator

Class CrowdingDistanceComparator<S extends Solution<?>>

java.lang.Object

org.uma.jmetal.util.comparator.CrowdingDistanceComparator<S>

All Implemented Interfaces:

Comparator<S>

public class CrowdingDistanceComparator<S extends Solution<?>>
extends Object
implements Comparator<S>

Compares two solutions according to the crowding distance attribute. The higher the distance the better

Author:

Antonio J. Nebro

Constructor Summary

Constructors

Constructor and Description
CrowdingDistanceComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(S solution1, S solution2) Compare two solutions.

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

comparing, comparing, comparingDouble, comparingInt, comparingLong, equals, naturalOrder, nullsFirst, nullsLast, reversed, reverseOrder, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Constructor Detail

CrowdingDistanceComparator

public CrowdingDistanceComparator()

Method Detail

compare

public int compare(S solution1,
                   S solution2)

Compare two solutions.

Specified by:

compare in interface Comparator<S extends Solution<?>>

Parameters:

solution1 - Object representing the first Solution.

solution2 - Object representing the second Solution.

Returns:

-1, or 0, or 1 if solution1 is has greater, equal, or less distance value than solution2, respectively.