content: /*
   *    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, Hamilton, New Zealand
   *
   */
  
  package weka.experiment;
  
  import weka.core.RevisionHandler;
  import weka.core.RevisionUtils;
  
  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: 1.10 $
   */
  public class RemoteExperimentSubTask
    implements Task, RevisionHandler {
  
    /* Info on the task */
    private TaskStatusInfo m_result = new TaskStatusInfo();
    
    /* The (sub) experiment to execute */
    private Experiment m_experiment;
    
    public RemoteExperimentSubTask() {
      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(Experiment task) {
      m_experiment = task;
    }
    
    /**
     * Get the experiment for this sub task
     * @return this sub task's experiment
     */
    public Experiment 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 = "(dataset "
  	+ ((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 + ")...");
        // Do not invoke runExperiment(): every exception will be lost
        while (m_experiment.hasMoreIterations()) {
          m_experiment.nextIteration();
        }
        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;
    }
    
    /**
     * Returns the revision string.
     * 
     * @return		the revision
     */
    public String getRevision() {
      return RevisionUtils.extract("$Revision: 1.10 $");
    }
  }
  
  
  
  
  
  
  