experimentthread.java

一个很好的LIBSVM的JAVA源码。对于要研究和改进SVM算法的学者。可以参考。来自数据挖掘工具YALE工具包。

/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2001-2004
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: [e-mail]
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA.
 */
package edu.udo.cs.yale.gui;

import edu.udo.cs.yale.operator.IOContainer;
import edu.udo.cs.yale.operator.OperatorException;
import edu.udo.cs.yale.Yale;
import edu.udo.cs.yale.Experiment;
import edu.udo.cs.yale.operator.ExperimentStoppedException;
import edu.udo.cs.yale.tools.LogService;
import edu.udo.cs.yale.tools.Tools;

import javax.swing.JOptionPane;

/** A Thread for running an experiment in. 
 *
 *  @version $Id: ExperimentThread.java,v 2.8 2004/08/27 11:57:33 ingomierswa Exp $ */
public class ExperimentThread extends Thread {

    private Experiment experiment;

    public ExperimentThread(Experiment experiment) {
	this.experiment = experiment;
    }

    public void run() {
	IOContainer results = null;
	try {
	    experiment.prepareRun();
	    YaleGUI.getMainFrame().getResultDisplay().clear();
	    YaleGUI.getMainFrame().getResultDisplay().setStatistics(experiment.getStatistics());
	    results = experiment.run();
	    beep("success");
	    experiment.getRootOperator().sendEmail(results, null);
	} catch (ExperimentStoppedException ex) {
	    beep("error");
	    LogService.logMessage(ex.getMessage(), LogService.MAXIMUM);
	} catch (Throwable e) {
	    beep("error");
	    LogService.logException(null, e);
	    LogService.logMessageWithTree("Experiment failed!", 
					  LogService.FATAL, 
					  experiment.getCurrentOperator());
	    experiment.getRootOperator().sendEmail(null, e);
	    SwingTools.showErrorMessage("Experiment failed", e);
	} finally {
	    experiment.tearDown();
	    YaleGUI.getMainFrame().experimentEnded(results);
	}
    }

    public static void beep(String reason) {
	if (Tools.booleanValue(System.getProperty("yale.gui.beep."+reason), false)) {
	    java.awt.Toolkit.getDefaultToolkit().beep();
	}
    }

    public void stopExperiment() {
	this.experiment.stop();
    }

}