/* * Semaphore.java * * Created on February 16, 2004, 1:54 PM */package jcdwriter.model;/** * * @author  rmallappa */public class Semaphore {        int excessSignals = 0;    /** Creates a new instance of Semaphore */    public Semaphore() {    }            public synchronized void waitForSignal() {        try {            if (excessSignals > 0) {//                System.out.println("Got signal without wait! Cool!");            }            else {//                System.out.println("Waiting.");                wait();            }        } catch (InterruptedException e) { }        excessSignals = excessSignals - 1;        notifyAll();        return;    }        public synchronized void signal() {        excessSignals = excessSignals + 1;//        System.out.println("Gog a signal.");        notifyAll();    }}