edu.udo.cs.yale.operator.features.selection
Class UniformSelection

java.lang.Object
  edu.udo.cs.yale.operator.features.selection.UniformSelection

All Implemented Interfaces:

PopulationOperator

public class UniformSelection
extends java.lang.Object
implements PopulationOperator

Selects a given fixed number of individuals by uniformly sampling from the current population until the desired population size is reached.

Version:

$Id: UniformSelection.java,v 1.4 2006/08/03 14:39:29 ingomierswa Exp $

Author:

Ingo Mierswa

Field Summary

private boolean	keepBest
private int	popSize
private java.util.Random	random

Constructor Summary

UniformSelection(int popSize, boolean keepBest, java.util.Random random)

Method Summary

void	operate(Population population) Modifies the population.
boolean	performOperation(int generation) The default implementation returns true for every generation.

Methods inherited from class java.lang.Object

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

Field Detail

popSize

private int popSize

keepBest

private boolean keepBest

random

private java.util.Random random

Constructor Detail

UniformSelection

public UniformSelection(int popSize,
                        boolean keepBest,
                        java.util.Random random)

Method Detail

performOperation

public boolean performOperation(int generation)

The default implementation returns true for every generation.

Specified by:

performOperation in interface PopulationOperator

operate

public void operate(Population population)

Description copied from interface: PopulationOperator

Modifies the population.

Specified by:

operate in interface PopulationOperator