content: /*
   *    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.
   */
  
  /*
   *    AdditionalMeasureProducer.java
   *    Copyright (C) 2000 University of Waikato, Hamilton, New Zealand
   *
   */
  
  package weka.core;
  
  import java.util.*;
  
  /** 
   * Interface to something that can produce measures other than those
   * calculated by evaluation modules. 
   *
   * @author Mark Hall (mhall@cs.waikato.ac.nz)
   * @version $Revision: 5953 $
   */
  public interface AdditionalMeasureProducer {
  
    /**
     * Returns an enumeration of the measure names. Additional measures
     * must follow the naming convention of starting with "measure", eg.
     * double measureBlah()
     * @return an enumeration of the measure names
     */
    Enumeration enumerateMeasures();
  
    /**
     * Returns the value of the named measure
     * @param measureName the name of the measure to query for its value
     * @return the value of the named measure
     * @exception IllegalArgumentException if the named measure is not supported
     */
    double getMeasure(String measureName);
  }
  