selectcompose.java

来自「遗传算法源代码,实现了选择操作、交叉操作和变异操作」· Java 代码 · 共 54 行

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/**
 * SelectAll Class
 *
 * location: net.openai.ai.ga.selection.common.SelectAll
 *
 */
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>SelectAll</code> is a <code>SelectionAlgorithm</code>
 * that will returns the result of a <code>SelectionAlgorithm</code> on
 * the <code>Population</code> returned from the second, i.e.
 * first(second()).
 *
 * @author	Jared Grubb
 * @version	%I%, %G%
 * @since	JDK1.3
 */
public class SelectCompose implements SelectionAlgorithm {
    private SelectionAlgorithm first, second;
    /**
     * Creates a new <code>SelectAll</code> object.
     */
    public SelectCompose(SelectionAlgorithm first,
                     SelectionAlgorithm second) {
        this.first = first;
        this.second = second;
    }

    /**
     * Returns a <code>Population</code> that is a clone of the specified
     * <code>Population<code>. This represents a "keep-all" method.
     *
     * @param pop  the <code>Population</code> to choose from
     * @return a cloned <code>Population</code>
     */
    public Population selectFromPopulation(Population pop) {
        return first.selectFromPopulation(second.selectFromPopulation(pop));
    }
}



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