userhibernatedaoimpl.java

一个简单的Struts, Spring, Hibernate 示例

package com.cognizant.food.dao.hibernate;

import java.util.List;

import org.springframework.orm.hibernate3.support.HibernateDaoSupport;

import com.cognizant.food.bo.User;
import com.cognizant.food.dao.UserDao;

public class UserHibernateDaoImpl extends HibernateDaoSupport implements UserDao {
	
	public void addUser(User user)
	{
		this.getHibernateTemplate().save(user);		
	}
    
    public void updateUser(User user) throws Exception
    {
    	this.getHibernateTemplate().update(user);
    }
    
    public void deleteUser(User user) throws Exception
    {
    	this.getHibernateTemplate().delete(user);
    }

    public User findUser(Long id) throws Exception{
    	List<User> ulist = this.getHibernateTemplate().findByNamedParam("from com.cognizant.food.bo.User as user where user.id = :id","id",id);
		return ulist.get(0);
    }

    public User findUserByUserName(String searchBy)
    {
    	List<User> ulist = this.getHibernateTemplate().findByNamedParam("from com.cognizant.food.bo.User as user where user.username = :first","first",searchBy);
		return ulist.get(0);
    }

    
    public List<User> listAllUsers()
    {
    	List<User> ulist = this.getHibernateTemplate().findByNamedQuery("listAllUsers");
    	System.out.println(ulist.size());
		return ulist;
    }

}