selectcomplement.java

遗传算法源代码,实现了选择操作、交叉操作和变异操作

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/**
 * SelectComplement Class
 *
 * location: net.openai.ai.ga.selection.common.SelectComplement
 *
 */
package net.openai.ai.ga.selection.common;

import net.openai.ai.ga.selection.*;
import net.openai.ai.ga.population.*;
import net.openai.ai.ga.cell.*;

import java.util.Collection;

/**
 * <code>SelectComplement</code> is a <code>SelectionAlgorithm</code>
 * that will return the complement of the results of two specified <code>
 * SelectionAlgorithm</code>s.
 *
 * @author	Jared Grubb
 * @version	%I%, %G%
 * @since	JDK1.3
 */
public class SelectComplement implements SelectionAlgorithm {
    private SelectionAlgorithm arg1;

    /**
     * Creates a new <code>SelectComplement</code> object for taking the
     * complement of the <code>Population</code>s returned by the two
     * passed <code>SelectionAlgorithm</code>s.
     *
     * @param toComplement the first <code>SelectionAlgorithm</code>
     */
    public SelectComplement(SelectionAlgorithm toComplement) {
        this.arg1 = toComplement;
    }

    /**
     * Returns a <code>Population</code> that represents the complement
     * (disjunction) of the <code>SelectionAlgorithm</code> specified in
     * the constructor. The return is a new <code>Population</code> clone of
     * the specified <code>Population</code> with all results of the selection
     * algorithm removed from it via the <code>Population.removeCells</code>
     * method.
     *
     * @param pop  the <code>Population</code> to choose from
     * @return the complement <code>Population</code> of the selection
     *         algorithm
     */
    public Population selectFromPopulation(Population pop) {
        Population toReturn = new Population(pop);
        toReturn.removeCells(arg1.selectFromPopulation(pop));
        return toReturn;
    }
}



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