org.artoflife.gp.selection
Class SimpleTournamentSelector

java.lang.Object
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  +--org.artoflife.gp.Selector
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        +--org.artoflife.gp.selection.SimpleTournamentSelector

public final class SimpleTournamentSelector

extends Selector

Selects on the basis of a simple tournament. The strategy is:

1. randomly pick a number of Individuals
2. of those, select the fittest Individual

Configure tournament size with configuration property [this.getClass().getName()].TournamentSize.

Author:

Steve Meyfroidt

Field Summary

protected int

tournamentSize

Fields inherited from class org.artoflife.gp.Selector

individuals

Constructor Summary

SimpleTournamentSelector()

Method Summary

Individual

selectOne(boolean chooseFittest) Override to select a single individual from the original pool according to some Fitness-based strategy, removing the selected Individual from the available pool.

Methods inherited from class org.artoflife.gp.Selector

initialise, select, selectFittest, selectFittest, selectWeakest, selectWeakest

Methods inherited from class java.lang.Object

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

Field Detail

tournamentSize

protected int tournamentSize

Constructor Detail

SimpleTournamentSelector

public SimpleTournamentSelector()

Method Detail

selectOne

public Individual selectOne(boolean chooseFittest)

Description copied from class: Selector

Override to select a single individual from the original pool according to some Fitness-based strategy, removing the selected Individual from the available pool.

Specified by:

selectOne in class Selector

Parameters:

chooseFittest - true to choose from the fittest Individuals or false to choose from the weakest

Returns:

Individual selected, never null