messagecleanobserver.java

oa办公系统

package cn.jx.ecjtu.oa.services;

import java.util.Timer;

import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

public class MessageCleanObserver implements ServletContextListener {
	private Timer timer;
	public void contextDestroyed(ServletContextEvent arg0) {
		if(timer != null){
			timer.cancel();
		}

	}

	public void contextInitialized(ServletContextEvent arg0) {
		System.out.println("清除消息启动");
		timer=new Timer();
		timer.scheduleAtFixedRate(new MessageCleaner(), 1000*10, 1000l*60*60*24);
	}

}