/*
* 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.
*/
/*
* DataSetEvent.java
* Copyright (C) 2002 University of Waikato, Hamilton, New Zealand
*
*/
package weka.gui.beans;
import weka.core.Instances;
import java.util.EventObject;
/**
* Event encapsulating a data set
*
* @author <a href="mailto:mhall@cs.waikato.ac.nz">Mark Hall</a>
* @version $Revision: 1.4 $
* @see EventObject
*/
public class DataSetEvent
extends EventObject {
/** for serialization */
private static final long serialVersionUID = -5111218447577318057L;
private Instances m_dataSet;
private boolean m_structureOnly;
public DataSetEvent(Object source, Instances dataSet) {
super(source);
m_dataSet = dataSet;
if (m_dataSet != null && m_dataSet.numInstances() == 0) {
m_structureOnly = true;
}
}
/**
* Return the instances of the data set
*
* @return an <code>Instances</code> value
*/
public Instances getDataSet() {
return m_dataSet;
}
/**
* Returns true if the encapsulated instances
* contain just header information
*
* @return true if only header information is
* available in this DataSetEvent
*/
public boolean isStructureOnly() {
return m_structureOnly;
}
}