org.jgap.impl.salesman
Class SalesmanFitnessFunction

java.lang.Object
  org.jgap.FitnessFunction
      org.jgap.impl.salesman.SalesmanFitnessFunction

All Implemented Interfaces:

java.io.Serializable, java.lang.Cloneable, ICloneable

public class SalesmanFitnessFunction
extends FitnessFunction

The fitness function to solve the Travelling Salesman problem. The function returned by this method calls distance(Object from, Object to)

Since:

2.0

See Also:

Serialized Form

Field Summary

Fields inherited from class org.jgap.FitnessFunction

DELTA, NO_FITNESS_VALUE

Constructor Summary

SalesmanFitnessFunction(Salesman a_salesman)

Method Summary

protected double

evaluate(IChromosome a_subject) Computes the distance by calling salesman Salesman.distance(org.jgap.Gene, org.jgap.Gene)

Methods inherited from class org.jgap.FitnessFunction

clone, getFitnessValue, getLastComputedFitnessValue

Methods inherited from class java.lang.Object

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

Constructor Detail

SalesmanFitnessFunction

public SalesmanFitnessFunction(Salesman a_salesman)

Method Detail

evaluate

protected double evaluate(IChromosome a_subject)

Computes the distance by calling salesman Salesman.distance(org.jgap.Gene, org.jgap.Gene)

Specified by:

evaluate in class FitnessFunction

Parameters:

a_subject - chromosome representing cities

Returns:

distance of the journey thru the cities represented in the given chromosome

Since:

2.0