heartbeattimertask.java

《j2ee开发全程实录》随书源码

package com.cownew.PIS.framework.client;

import java.util.TimerTask;

import org.apache.log4j.Logger;

import com.cownew.PIS.framework.common.services.ICommonService;

/**
 * 心跳任务
 */
public class HeartBeatTimerTask extends TimerTask
{
	public void run()
	{
		try
		{
			ICommonService intf = (ICommonService) RemoteServiceLocator
					.getRemoteService(ICommonService.class);
			intf.nop();
		} catch (Throwable t)
		{
			//心跳不能终止
			Logger.getLogger(getClass()).error(t.getMessage(),t);
		}
	}
}