miningtransformationtask.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 Michael Thess
  * @version 1.0
  */

package com.prudsys.pdm.Transform;

import com.prudsys.pdm.Cwm.Transformation.Transformation;
import com.prudsys.pdm.Cwm.Transformation.TransformationTask;

/**
 * Task of the mining transformation step.
 */
public class MiningTransformationTask extends TransformationTask
{
  // -----------------------------------------------------------------------
  //  Constructor
  // -----------------------------------------------------------------------
  /**
   * Empty constructor.
   */
  public MiningTransformationTask()
  {
  }

  // -----------------------------------------------------------------------
  //  Getter and setter methods
  // -----------------------------------------------------------------------
  /**
   * Sets array of transformations.
   *
   * @param transformation new array of transformations
   */
  public void setMiningTransformation(Transformation[] transformation) {

    this.transformation = transformation;

    for (int i = 0; i < transformation.length; i++) {
      transformation[i].task = new TransformationTask[1];
      transformation[i].task[0] = this;
    }
  }

  /**
   * Returns array of transformations.
   *
   * @return array of transformations
   */
  public Transformation[] getMiningTransformation() {

    return transformation;
  }

  /**
   * Returns string representation of mining transformation task.
   *
   * @return mining transformation task string representation
   */
  public String toString() {

    String res = "----Mining transformation task. Consists of " +
                 String.valueOf( transformation.length ) +
                 " transformations: " + "\n";
    for (int i = 0; i < transformation.length; i++) {
      res = res + "    Trafo " + String.valueOf(i) + ":" + "\n" +
            transformation[i].toString();
      if (i < transformation.length - 1)
        res = res + "\n";
    };

    return res;
  }

}