assearch.java

一个数据挖掘系统的源码

/**
 *   
 *   AgentAcademy - an open source Data Mining framework for
 *   training intelligent agents
 *
 *   Copyright (C)   2001-2003 AA Consortium.
 *
 *   This library is open source software; you can redistribute it 
 *   and/or modify it under the terms of the GNU Lesser General 
 *   Public License as published by the Free Software Foundation;   
 *   either version 2.0 of the License, or (at your option) any later 
 *   version.
 *
 *   This library 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 Lesser General Public
 *   License along with this library; if not, write to the Free 
 *   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, 
 *   MA  02111-1307 USA
 * 
 */

package org.agentacademy.modules.dataminer.attributeSelection;

import java.io.*;
import org.agentacademy.modules.dataminer.core.*;

public abstract class ASSearch implements Serializable {

  // ===============
  // Public methods.
  // ===============
  
  /**
   * Searches the attribute subset/ranking space.
   *
   * @param ASEvaluator the attribute evaluator to guide the search
   * @param data the training instances.
   * @return an array (not necessarily ordered) of selected attribute indexes
   * @exception Exception if the search can't be completed
   */
  public abstract int [] search(ASEvaluation ASEvaluator,
				Instances data) throws Exception;

  /**
   * Creates a new instance of a search class given it's class name and
   * (optional) arguments to pass to it's setOptions method. If the
   * search method implements OptionHandler and the options parameter is
   * non-null, the search method will have it's options set.
   *
   * @param searchName the fully qualified class name of the search class
   * @param options an array of options suitable for passing to setOptions. May
   * be null.
   * @return the newly created search object, ready for use.
   * @exception Exception if the search class name is invalid, or the options
   * supplied are not acceptable to the search class.
   */
  public static ASSearch forName(String searchName,
				 String [] options) throws Exception
  {
    return (ASSearch)Utils.forName(ASSearch.class,
				   searchName,
				   options);
  }
}