source: tmcsimulator/trunk/test/tmcsim/client/cadclientgui/data/ThreadDemo.java @ 476

package tmcsim.client.cadclientgui.data;



import java.util.ArrayList;

import java.util.Vector;

import javax.swing.table.DefaultTableModel;





/**

 * A simple demo of how to use threads and "synchronized"

 *

 * @author jdalbey

 */

public class ThreadDemo

{

    static ArrayList<Integer> numbers;



    public static void main(String args[])

    {

        System.out.println("Testing threads");

        PrintFunctor pf=new PrintFunctor();

        Threadserve ts1=new Threadserve(pf,12,"A");

        Threadserve ts2=new Threadserve(pf,8,"B");

        Threadserve ts3=new Threadserve(pf,6,"C");

    }



static class Threadserve implements Runnable

{

        int max;

        String id;

        PrintFunctor pf;

        Thread th;

        Threadserve(PrintFunctor printer,int x, String id)

        {

            this.max = x;

            this.id = id;

            pf = printer;

            th=new Thread(this);

            th.start();

        }

        public void run()

        {       

            pf.countdown(max,id);

        }

}    

static class PrintFunctor

{

    public PrintFunctor()

    {

    }

    synchronized 

    void countdown(int max, String id)

    {

        numbers = new ArrayList<Integer>();

        for (int num=0; num <100; num++)

        {

            numbers.add(num);

        }

        System.out.println("Start" + id);

        for(int idx=max; idx>0; idx--)

        {

            try

            {

                // when halfway, pause

                if(idx==max/2) Thread.sleep(100);

            }

            catch(InterruptedException e)

            { ; }

            System.out.println(id + ": " + idx + "," + numbers.get(idx));

        }

        System.out.println();

        numbers.clear();

        System.out.println("Done countdown." + id);

    }

}

}