java quartz

 

import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.Observable;
import java.util.Observer;
import java.util.Set;

public class SessionManager implements Observer{
 private static SessionManager instance = new SessionManager();

 private static SessionScheduler sessionScheduler = null;

 private SessionManager(){
  
  //start session monitor thread
  sessionScheduler = new SessionScheduler();
  try {
   sessionScheduler.initialize();
   sessionScheduler.addJobListener(this);
   sessionScheduler.start();
   sessionScheduler.addCronJob(9, 8);
  } catch (Exception e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }
 

 }
 
 public static SessionManager getInstance(){
  return instance;
 }
 
 
 public static void main(String[] args){
  SessionManager instance = SessionManager.getInstance();  
 }
 

 public void update(Observable o, Object arg) {
  // TODO Auto-generated method stub
     System.out.println("session manage time arrived.");
  } 

 } 
 

 
}