problems.permutation
Class PermutationExample

java.lang.Object
  lio.LiOTask
      problems.permutation.PermutationExample

All Implemented Interfaces:

LiOResource

public class PermutationExample
extends LiOTask

Implements a Dummy task for permutations whose optimum is that whose value in position "i" is "i".

Field Summary

(package private) int

size Size of the problem

Constructor Summary

PermutationExample()

Method Summary

LiOBounds	defineIndividuals() In most cases, it is necessary to define some common features of a certain kind of individual such as upper and lower limits, size, etc.
double	evaluate(Individual individual) Evaluates an individual and returns its fitness.
LiOResourceDefinition	getDefinition() Return a LiOResDescription object with the information of each object.
int	getSize() Getter for property size.
double	optimum() Returns the optimum of the function.
void	setSize(int size) Setter for property size.

Methods inherited from class java.lang.Object

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

Field Detail

size

int size

Size of the problem

Constructor Detail

PermutationExample

public PermutationExample()

Method Detail

defineIndividuals

public LiOBounds defineIndividuals()

In most cases, it is necessary to define some common features of a certain kind of individual such as upper and lower limits, size, etc. In case of permutations we only need the size of each individual.

Specified by:

defineIndividuals in class LiOTask

Returns:

a Bounds object which defines individuals.

evaluate

public double evaluate(Individual individual)

Evaluates an individual and returns its fitness.

Specified by:

evaluate in class LiOTask

Parameters:

individual - The individual that is going to be evaluated.

Returns:

fitness of a individual.

optimum

public double optimum()

Returns the optimum of the function.

Overrides:

optimum in class LiOTask

Returns:

Optimum of the task.

getDefinition

public LiOResourceDefinition getDefinition()

Return a LiOResDescription object with the information of each object. That object holds the name and all parameters that describe the object

Specified by:

getDefinition in interface LiOResource

Overrides:

getDefinition in class LiOTask

Returns:

A definition of the object.

getSize

public int getSize()

Getter for property size.

Returns:

Value of property size.

setSize

public void setSize(int size)

Setter for property size.

Parameters:

size - New value of property size.