br.otimizes.oplatool.core.jmetal4.util

Class DistanceNode

java.lang.Object

br.otimizes.oplatool.core.jmetal4.util.DistanceNode

public class DistanceNode
extends java.lang.Object

This is an auxiliar class for calculating the SPEA2 environmental selection. Each instance of DistanceNode contains two parameter called reference_ and distance_. reference_ indicates one Solution in a SolutionSet and distance_ represents the distance_ to this solution.

Constructor Summary

Constructors

Constructor and Description
DistanceNode(double distance, int reference) Constructor.

Method Summary

Modifier and Type	Method and Description
double	getDistance() Gets the distance
int	getReference() Gets the reference
void	setDistance(double distance) Sets the distance to a Solution
void	setReferece(int reference) Sets the reference to a Solution

Methods inherited from class java.lang.Object

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

Constructor Detail

DistanceNode

public DistanceNode(double distance,
                    int reference)

Constructor.

Parameters:

distance - The distance to a Solution.

reference - The position of the Solution.

Method Detail

setReferece

public void setReferece(int reference)

Sets the reference to a Solution

Parameters:

reference - The reference

getDistance

public double getDistance()

Gets the distance

Returns:

the distance

setDistance

public void setDistance(double distance)

Sets the distance to a Solution

Parameters:

distance - The distance

getReference

public int getReference()

Gets the reference

Returns:

the reference