dao.java

外买系统struts2

package com.waimai.dao;
import java.util.List;

import org.springframework.context.ApplicationContext;

import com.waimai.domain.BaseDomain;;

/*
 * @Dao.java
 *  
 * 鸿杰软件公司版权所有
 * blog:<a href = "http://blog.csdn.net/yq76034150">http://blog.csdn.net/yq76034150</a>
 *
 */

public interface Dao {

	public void save(BaseDomain transientInstance);

	public void delete(BaseDomain persistentInstance);

	public BaseDomain findById(java.lang.Integer id);

	public List findByExample(BaseDomain instance);

	public List findByProperty(String propertyName, Object value);
	
	public BaseDomain merge(BaseDomain detachedInstance);

	public void attachDirty(BaseDomain instance);

	public void attachClean(BaseDomain instance);

}