miningalgorithmspecification.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

/*
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

 /**
  * Title: XELOPES Data Mining Library
  * Description: The XELOPES library is an open platform-independent and data-source-independent library for Embedded Data Mining.
  * Copyright: Copyright (c) 2002 Prudential Systems Software GmbH
  * Company: ZSoft (www.zsoft.ru), Prudsys (www.prudsys.com)
  * @author Valentine Stepanenko ([e-mail])
  * @version 1.0
  */

package com.prudsys.pdm.Core;

import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.Vector;

import com.prudsys.pdm.Utils.AlgorithmSpecification.AlgorithmParameter;
import com.prudsys.pdm.Utils.AlgorithmSpecification.AlgorithmSpecification;
import com.prudsys.pdm.Utils.AlgorithmSpecification.MiningAlgorithms;

import eti.bi.alphaminer.operation.operator.INodeInfo;
import eti.bi.common.System.SysConfig;

/**
 * MiningAlgorithmSpecification is a collection of MiningAlgorithmParameter that
 * drive the MiningModel.
 */
public class MiningAlgorithmSpecification extends com.prudsys.pdm.Cwm.Core.Class
{
    // -----------------------------------------------------------------------
    //  Variables declarations
    // -----------------------------------------------------------------------
    /** Name of the mining algorithm. Now inherited from ModelElement. */
//  private String name;

    /** Function type of the mining algorithm. */
    private String function;

    /** Algorithm type of the mining algorithm. */
    private String algorithm;

    /** Class path of the mining algorithm class. */
    private String classname;

    /** Version of the mining algorithm. */
    private String version;

    /** Description of the mining algorithm. */
    private String description;

    /** Array of the mining algorithm parameters of the mining algorithm. */
    private MiningAlgorithmParameter inputAttribute[];

    /** Path of the algorithms XML file. */
    private static URL algorithmsFileURL;

    // -----------------------------------------------------------------------
    //  Constructor
    // -----------------------------------------------------------------------
    /**
     * Empty constructor.
     */
    public MiningAlgorithmSpecification()
    {
    }

    // -----------------------------------------------------------------------
    //  Getter and setter methods
    // -----------------------------------------------------------------------
    /**
     * Returns function name of algorithm.
     *
     * @return function name
     */
    public String getFunction()
    {
        return function;
    }

    /**
     * Sets new function name of algorithm.
     *
     * @param function new function name
     */
    public void setFunction(String function)
    {
        this.function = function;
    }

    /**
     * Returns algorithm type name.
     *
     * @return algorithm type name
     */
    public String getAlgorithm()
    {
        return algorithm;
    }

    /**
     * Sets algorithm type name.
     *
     * @param algorithm new algorithm type name
     */
    public void setAlgorithm(String algorithm)
    {
        this.algorithm = algorithm;
    }

    /**
     * Returns fully qualified class name of algorithm.
     *
     * @return class name of algorithm
     */
    public String getClassname()
    {
        return classname;
    }

    /**
     * Sets new class name of algorithm.
     *
     * @param classname new class name of algorithm
     */
    public void setClassname(String classname)
    {
        this.classname = classname;
    }

    /**
     * Returns version of algorithm.
     *
     * @return version of algorithm
     */
    public String getVersion()
    {
        return version;
    }

    /**
     * Sets version of algorithm.
     *
     * @param version new version of algorithm
     */
    public void setVersion(String version)
    {
        this.version = version;
    }

    /**
     * Returns description of algorithm.
     *
     * @return description of algorithm
     */
    public String getDescription()
    {
        return description;
    }

    /**
     * Sets description of algorithm.
     *
     * @param description new description of algorithm
     */
    public void setDescription(String description)
    {
        this.description = description;
    }

    /**
     * Returns mining parameters of algorithm.
     *
     * @return mining parameters of algorithm
     */
    public MiningAlgorithmParameter[] getInputAttribute()
    {
        return inputAttribute;
    }

    /**
     * Sets mining parameters of algorithm.
     *
     * @param inputAttribute new mining parameters of algorithm
     */
    public void setInputAttribute(MiningAlgorithmParameter[] inputAttribute)
    {
        this.inputAttribute = inputAttribute;
    }

    /**
     * Change default file name of the algorithms specification xml file
     * @param newAlgorithmsFileURL - new URL
     */
    public static void setAlgorithmsFileNURL(URL newAlgorithmsFileURL)
    {
      algorithmsFileURL = newAlgorithmsFileURL;
    }

    /**
     * Assigns new value to a mining algorithm parameter (MAP).
     *
     * @param miningAlgorithmParameterName name of MAP
     * @param miningAlgorithmParameterValue new value of MAP
     * @return true if MAP found and value set, otherwise false
     */
    public boolean setMAPValue(String miningAlgorithmParameterName,
                               String miningAlgorithmParameterValue) {

      if (inputAttribute == null || miningAlgorithmParameterName == null)
        return false;
      for (int i = 0; i < inputAttribute.length; i++) {
        if (inputAttribute[i].getName().equals(miningAlgorithmParameterName)) {
          inputAttribute[i].setValue(miningAlgorithmParameterValue);