topicdaofactory.java

来自「struts+hibernate BBS mysql数据库 功能基本齐全」· Java 代码 · 共 15 行

package com.elan.forum.factory;

import com.elan.forum.dao.TopicDAO;
import com.elan.forum.impl.ElanTopicDAOImpl;

public class TopicDAOFactory {
	private static TopicDAO topicDAO = null;
	public static TopicDAO getTopicDAO() {
		if(topicDAO == null) {
			topicDAO = ElanTopicDAOImpl.newInstance();
		}
		return topicDAO;
	}
}