package class10_1_RemoteProxy; // MSOE. Dr. Yoder. 10 February 2016.
//
// CounterServiceImpl.java: implement the remote counter
//

import java.rmi.*;
import java.rmi.server.*;

/**
 * @author hasker
 */
public class CounterServiceImpl extends UnicastRemoteObject
        implements CounterService
{
    //--------------------------------------------------
    // TODO: consider modifying the following to be unique
    public final static String ServiceName = "counter-service";

    // TODO: change following port to a value between 10000 and 30000
    // The conventional RMI port is 1099, but this will not work on most hosts
    public final static int ServicePort = 10000;

    // TODO: update following to hostname of server
    public final static String ServiceHost = "localhost";
    //--------------------------------------------------

    protected int _value;        // the value that will be modified
    // In your application, this would probably
    //   also be written to a file and reloaded
    //   on demand.

    public CounterServiceImpl(int start) throws RemoteException
    {
        super();
        _value = start;
    }

    // implementations for methods in CounterService
    public int  value()     throws RemoteException { return _value; }
    public void increment() throws RemoteException { _value++; }
    public void decrement() throws RemoteException { _value--; }

    public static void main(String args[])
    {
        System.out.println("Initializing CounterService...");
        try
        {
            CounterService cserv = new CounterServiceImpl(0);
            String serverObjectName = "rmi://localhost:" + ServicePort
                    + "/" + ServiceName;
            Naming.rebind(serverObjectName, cserv);
            System.out.println("CounterService running.");
        }
        catch (Exception e)
        {
            System.out.println("Exception: " + e.getMessage());
            e.printStackTrace();
        }
    }
}