SchedulerTest.java :  » Net » JGroups-2.4.1-sp3 » org » jgroups » tests » Java Open Source

// $Id: SchedulerTest.java,v 1.5.20.1 2007/03/08 10:23:26 belaban Exp $

package org.jgroups.tests;

import junit.framework.TestCase;
import org.jgroups.util.Scheduler;
import org.jgroups.util.SchedulerListener;
import org.jgroups.util.ReusableThread;
import org.jgroups.util.Util;


public class SchedulerTest extends TestCase {

    static class MyThread implements Runnable {
        String name;

        MyThread(String name) {
            this.name=name;
        }

        public void run() {
            long sleep_time=(long)(Math.random() * 1000);
            System.out.println("\n--> " + name + ": sleeping for " + sleep_time + " ms");
            Util.sleep(sleep_time);
            System.out.println("--> " + name + ": Done");
        }

        public String toString() {
            return "MyThread [name=" + name + ']';
        }

    }


    static class Listener implements SchedulerListener {
        public void started(ReusableThread rt, Runnable t) {
            System.out.println("--> Started: " + t);
        }

        public void stopped(ReusableThread rt, Runnable t) {
            System.out.println("--> Stopped: " + t);
        }

        public void suspended(ReusableThread rt, Runnable t) {
            System.out.println("--> Suspended: " + t);
        }

        public void resumed(ReusableThread rt, Runnable t) {
            System.out.println("--> Resumed: " + t);
        }
    }


    public SchedulerTest(String name) {
        super(name);
    }


    public void testScheduler() throws Exception {
        Scheduler sch=new Scheduler();
        sch.setListener(new Listener());
        sch.add(new MyThread("Bela"));
        sch.add(new MyThread("Janet"));
        sch.add(new MyThread("Ralph"));
        sch.start();
        sch.add(new MyThread("Frank"));
        sch.add(new MyThread("Marco"));

        Util.sleep(1000);
        sch.addPrio(new MyThread("Gabi"));
        sch.add(new MyThread("Rolf"));
        Util.sleep(100);
        sch.addPrio(new MyThread("Gabi2"));
        Util.sleep(100);
        sch.addPrio(new MyThread("Gabi3"));
        Util.sleep(100);
        sch.addPrio(new MyThread("Gabi4"));
        Util.sleep(1000);  // increase this if you want to see all thread running (and possibly completing)
        sch.stop();
    }

    public static void main(String[] args) {
        String[] testCaseName={SchedulerTest.class.getName()};
        junit.textui.TestRunner.main(testCaseName);
    }

}