serviceutil.java

来自「基本分数查询功能,自己的毕业设计作品!希望能给大家一点帮助!」· Java 代码 · 共 35 行

package org.xk.util;

import org.xk.service.imp.*;

import org.xk.service.interfaces.*;


public class ServiceUtil {
	
	static UserService us = null;
	static UpdateSomethingService as = null;
	static SelectSomethingService ss = null;

	public static UserService getUserService(){
		if(us == null){
			us = new UserServiceImp();
		}
		return us;
	}
	
	public static UpdateSomethingService getAddSomethingService(){
		if(as == null){
			as = new UpdateSomethingServiceImp();
		}
		return as;
	}
	
	public static SelectSomethingService getSelectSomethingService(){
		if(ss == null){
			ss = new SelectSomethingServiceImp();
		}
		return ss;
	}
}