org.uma.jmetal.util.comparator

Class RankingAndCrowdingDistanceComparator

java.lang.Object

org.uma.jmetal.util.comparator.RankingAndCrowdingDistanceComparator

All Implemented Interfaces:

Comparator<Solution>

public class RankingAndCrowdingDistanceComparator
extends Object
implements Comparator<Solution>

Version:

1.0 This class implements a comparator based on the rank of the solutions; if the rank is the same then the crowding distance is used.

Author:

Antonio J. Nebro

Constructor Summary

Constructors

Constructor and Description
RankingAndCrowdingDistanceComparator()

Method Summary

Modifier and Type	Method and Description
int	compare(Solution solution1, Solution solution2) Compares 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

RankingAndCrowdingDistanceComparator

public RankingAndCrowdingDistanceComparator()

Method Detail

compare

public int compare(Solution solution1,
                   Solution solution2)

Compares two solutions.

Specified by:

compare in interface Comparator<Solution>

Parameters:

solution1 - Object representing the first solution

solution2 - Object representing the second solution.

Returns:

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