/* *    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. *//* *    ReferenceInstances.java *    Copyright (C) 2001 University of Waikato, Hamilton, New Zealand * */package weka.classifiers.trees.adtree;import weka.core.Instance;import weka.core.Instances;/** * Simple class that extends the Instances class making it possible to create * subsets of instances that reference their source set. Is used by ADTree to * make reweighting of instances easy to manage. * * @author Richard Kirkby (rkirkby@cs.waikato.ac.nz) * @version $Revision: 1.4 $ */public class ReferenceInstances  extends Instances {  /** for serialization */  private static final long serialVersionUID = -8022666381920252997L;  /**   * Creates an empty set of instances.   *   * @param dataset the instances to get the header information from   * @param capacity the initial storage capacity of the set   */  public ReferenceInstances(Instances dataset, int capacity) {    super(dataset, capacity);  }  /**   * Adds one instance reference to the end of the set.    * Does not copy instance before it is added. Increases the   * size of the dataset if it is not large enough. Does not   * check if the instance is compatible with the dataset.   *   * @param instance the instance to be added   */  public final void addReference(Instance instance) {    m_Instances.addElement(instance);  }}