clock_observer_analog.java

用java写的时钟小程序

/*
 * Clock_Observer_Analog.java
 *
 * Created on 2007年10月31日, 下午8:45
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package clock;

import clock.Clock_Aanlogclock_Rmi;
import java.rmi.RemoteException;
import java.rmi.server.UnicastRemoteObject;

/**
 *
 * @author xiaohai
 */
public class Clock_Observer_Analog extends UnicastRemoteObject implements Clock_Observer{
    
    /** Creates a new instance of Clock_Observer_Analog */
    public Clock_Observer_Analog() throws RemoteException {
        super();
    }
    
    public void Add(Clock_Subject cs, Clock_Aanlogclock_Rmi car,String Analog_ip) throws RemoteException {
        c_subject=cs;
        c_subject.Attach(Analog_ip,1);
        this.car=car;
    }
    
    public void Update() throws RemoteException {
        System.out.println("Analog is update!\n");
        hour=c_subject.GetHour();
        minute=c_subject.GetMinute();
        second=c_subject.GetSecond();
        //draw the clock
        car.Draw(hour,minute,second);
    }
    
    public void Delete(String Analog_ip)throws RemoteException{
        c_subject.Detach(Analog_ip);
    }
    
    private Clock_Subject c_subject;
    private int hour;
    private int minute;
    private int second;
    
    private Clock_Aanlogclock_Rmi car;
    
}