milk.experiment.MIRemoteExperimentSubTask.java Source code

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Here is the source code for milk.experiment.MIRemoteExperimentSubTask.java

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/*
 *    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.
 */

/*
 *    RemoteExperimentSubTask.java
 *    Copyright (C) 2000 University of Waikato
 *
 */

package milk.experiment;

import weka.experiment.Task;
import weka.experiment.TaskStatusInfo;

import java.io.File;

/**
 * Class to encapsulate an experiment as a task that can be executed on
 * a remote host.
 *
 * @author Mark Hall (mhall@cs.waikato.ac.nz)
 * @version $Revision: 1.6 $
 */
public class MIRemoteExperimentSubTask implements Task {

    /* Info on the task */
    private TaskStatusInfo m_result = new TaskStatusInfo();

    /* The (sub) experiment to execute */
    private MIExperiment m_experiment;

    public MIRemoteExperimentSubTask() {
        m_result.setStatusMessage("Not running.");
        m_result.setExecutionStatus(TaskStatusInfo.TO_BE_RUN);
    }

    /**
     * Set the experiment for this sub task
     * @param task the experiment
     */
    public void setExperiment(MIExperiment task) {
        m_experiment = task;
    }

    /**
     * Get the experiment for this sub task
     * @return this sub task's experiment
     */
    public MIExperiment getExperiment() {
        return m_experiment;
    }

    /**
     * Run the experiment
     */
    public void execute() {
        //      FastVector result = new FastVector();
        m_result = new TaskStatusInfo();
        m_result.setStatusMessage("Running...");
        String goodResult = "(sub)experiment completed successfully";
        String subTaskType;
        if (m_experiment.getRunLower() != m_experiment.getRunUpper()) {
            subTaskType = "(datataset " + ((File) m_experiment.getDatasets().elementAt(0)).getName();
        } else {
            subTaskType = "(exp run # " + m_experiment.getRunLower();
        }
        try {
            System.err.println("Initializing " + subTaskType + ")...");
            m_experiment.initialize();
            System.err.println("Iterating " + subTaskType + ")...");
            m_experiment.runExperiment();
            System.err.println("Postprocessing " + subTaskType + ")...");
            m_experiment.postProcess();
        } catch (Exception ex) {
            ex.printStackTrace();
            String badResult = "(sub)experiment " + subTaskType + ") failed : " + ex.toString();
            m_result.setExecutionStatus(TaskStatusInfo.FAILED);
            //   m_result.addElement(new Integer(RemoteExperiment.FAILED));
            //   m_result.addElement(badResult);
            m_result.setStatusMessage(badResult);
            m_result.setTaskResult("Failed");
            //      return m_result;
            return;
        }
        //      m_result.addElement(new Integer(RemoteExperiment.FINISHED));
        //      m_result.addElement(goodResult);
        m_result.setExecutionStatus(TaskStatusInfo.FINISHED);
        m_result.setStatusMessage(goodResult + " " + subTaskType + ").");
        m_result.setTaskResult("No errors");
        //    return m_result;
    }

    public TaskStatusInfo getTaskStatus() {
        return m_result;
    }
}