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InstanceCounter.java
Package: Weka-3-2.rar [view]
Upload User: rhdiban
Upload Date: 2013-08-09
Package Size: 15085k
Code Size: 3k
Category:
Windows Develop
Development Platform:
Java
- /*
- * 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.
- */
- /*
- * InstanceCounter.java
- * Copyright (C) 1999 Len Trigg
- *
- */
- package weka.gui.streams;
- import javax.swing.JPanel;
- import javax.swing.JLabel;
- import java.awt.Color;
- import java.awt.event.ActionListener;
- import java.awt.event.ActionEvent;
- import java.io.Serializable;
- import weka.core.Instance;
- import weka.core.Instances;
- /**
- * A bean that counts instances streamed to it.
- *
- * @author Len Trigg (trigg@cs.waikato.ac.nz)
- * @version $Revision: 1.3 $
- */
- public class InstanceCounter extends JPanel
- implements Serializable, InstanceListener {
- private JLabel m_Count_Lab;
- private int m_Count;
- private boolean m_Debug;
- public void input(Instance instance) throws Exception {
- if (m_Debug) {
- System.err.println("InstanceCounter::input(" + instance +")");
- }
- m_Count++;
- m_Count_Lab.setText(""+m_Count+" instances");
- repaint();
- }
- public void inputFormat(Instances instanceInfo) {
- if (m_Debug) {
- System.err.println("InstanceCounter::inputFormat()");
- }
- Instances inputInstances = new Instances(instanceInfo,0);
- m_Count = 0;
- m_Count_Lab.setText(""+m_Count+" instances");
- }
- public void setDebug(boolean debug) {
- m_Debug = debug;
- }
- public boolean getDebug() {
- return m_Debug;
- }
- public InstanceCounter() {
- m_Count = 0;
- m_Count_Lab = new JLabel("no instances");
- add(m_Count_Lab);
- // setSize(60,40);
- setBackground(Color.lightGray);
- }
- public void instanceProduced(InstanceEvent e) {
- Object source = e.getSource();
- if (source instanceof InstanceProducer) {
- try {
- InstanceProducer a = (InstanceProducer) source;
- switch (e.getID()) {
- case InstanceEvent.FORMAT_AVAILABLE:
- inputFormat(a.outputFormat());
- break;
- case InstanceEvent.INSTANCE_AVAILABLE:
- input(a.outputPeek());
- break;
- case InstanceEvent.BATCH_FINISHED:
- if (m_Debug)
- System.err.println("InstanceCounter::instanceProduced() - End of instance batch");
- break;
- default:
- System.err.println("InstanceCounter::instanceProduced() - unknown event type");
- break;
- }
- } catch (Exception ex) {
- System.err.println(ex.getMessage());
- }
- } else {
- System.err.println("InstanceCounter::instanceProduced() - Unknown source object type");
- }
- }
- }