/* * Algorithm.java * * Created on January 17, 2003, 4:54 PM * *  * Copyright (C) 2003 - Edwin S. Peer * * 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 net.sourceforge.cilib.Algorithm;import java.io.*;import java.util.*;import java.lang.*;import net.sourceforge.cilib.Functions.*;import net.sourceforge.cilib.PSO.*;/** * * @author  espeer */public abstract class Algorithm extends Thread implements Serializable {        public Algorithm() {        progressIndicators = new Vector();        iterationEventListeners = new Vector();        completeEventListeners = new Vector();        running = false;        initialised = false;    }        public void initialise() {        iterations = 0;        running = true;        initialised = true;    }        public abstract void performIteration();    public void run() {        if (! initialised) {            throw new InitialisationException("Algorithm not initialised");        }                while (running && getPercentageComplete() < 1) {            performIteration();            ++iterations;                        for (Iterator i = iterationEventListeners.iterator(); i.hasNext(); ) {                IterationEventListener listener = (IterationEventListener) i.next();                listener.handleIterationEvent(new AlgorithmEvent(this));            }                    }                if (running) {            for (Iterator i = completeEventListeners.iterator(); i.hasNext(); ) {                CompleteEventListener listener = (CompleteEventListener) i.next();                listener.handleCompleteEvent(new AlgorithmEvent(this));            }        }    }        public void addProgressIndicator(ProgressIndicator progressIndicator) {        progressIndicator.setAlgorithm(this);        progressIndicators.add(progressIndicator);    }        public void removeProgressIndicator(ProgressIndicator progressIndicator) {        progressIndicators.remove(progressIndicator);    }        public void addIterationEventListener(IterationEventListener listener) {        iterationEventListeners.add(listener);    }        public void removeIterationEventListener(IterationEventListener listener) {        iterationEventListeners.remove(listener);    }        public void addCompleteEventListener(CompleteEventListener listener) {        completeEventListeners.add(listener);    }        public void removeCompleteEventListener(CompleteEventListener listener) {        completeEventListeners.remove(listener);    }        public int getIterations() {        return iterations;    }        public double getPercentageComplete() {        double percentageComplete = 0;        for (Iterator i = progressIndicators.iterator(); i.hasNext(); ) {            ProgressIndicator indicator = (ProgressIndicator) i.next();            if (indicator.getPercentageCompleted() > percentageComplete) {                percentageComplete = indicator.getPercentageCompleted();            }        }        return percentageComplete;    }        public void start() {        running = true;        super.start();    }        public void terminate() {        running = false;    }        private Vector progressIndicators;    private Vector iterationEventListeners;    private Vector completeEventListeners;    private int iterations;    private volatile boolean running;    private boolean initialised;}