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The Waikato Environment for Knowledge Analysis (WEKA), a machine learning workbench. This is the stable version. Apart from bugfixes, this version does not receive any other updates.

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/*
 *   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 3 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, see .
 */

/*
 * RandomizableClusterer.java
 * Copyright (C) 2006-2012 University of Waikato, Hamilton, New Zealand
 *
 */

package weka.clusterers;

import java.util.Collections;
import java.util.Enumeration;
import java.util.Vector;

import weka.core.Option;
import weka.core.OptionHandler;
import weka.core.Randomizable;
import weka.core.Utils;

/**
 * Abstract utility class for handling settings common to randomizable
 * clusterers.
 * 
 * @author FracPete (fracpete at waikato dot ac dot nz)
 * @version $Revision: 10601 $
 */
public abstract class RandomizableClusterer extends AbstractClusterer implements
  OptionHandler, Randomizable {

  /** for serialization */
  private static final long serialVersionUID = -4819590778152242745L;

  /** the default seed value */
  protected int m_SeedDefault = 1;

  /** The random number seed. */
  protected int m_Seed = m_SeedDefault;

  /**
   * Returns an enumeration describing the available options.
   * 
   * @return an enumeration of all the available options.
   */
  @Override
  public Enumeration

* * @param options the list of options as an array of strings * @throws Exception if an option is not supported */ @Override public void setOptions(String[] options) throws Exception { String tmpStr; tmpStr = Utils.getOption('S', options); if (tmpStr.length() != 0) { setSeed(Integer.parseInt(tmpStr)); } else { setSeed(m_SeedDefault); } super.setOptions(options); } /** * Gets the current settings of the classifier. * * @return an array of strings suitable for passing to setOptions */ @Override public String[] getOptions() { Vector result = new Vector(); result.add("-S"); result.add("" + getSeed()); Collections.addAll(result, super.getOptions()); return result.toArray(new String[result.size()]); } /** * Returns the tip text for this property * * @return tip text for this property suitable for displaying in the * explorer/experimenter gui */ public String seedTipText() { return "The random number seed to be used."; } /** * Set the seed for random number generation. * * @param value the seed to use */ @Override public void setSeed(int value) { m_Seed = value; } /** * Gets the seed for the random number generations * * @return the seed for the random number generation */ @Override public int getSeed() { return m_Seed; } }





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