usersdaoimpl.java

来自「ssh 实例spring对hibernate的封装」· Java 代码 · 共 87 行

package com.ssh.hibernate.dao;

import java.util.List;

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

import com.ssh.hibernate.pojo.Users;

/**
 * Class, implements Interface UsersDao
 *@author T.Xin.Jun
 */
public class UsersDaoImpl extends HibernateDaoSupport implements UsersDao {

	/*
	 * (non-Javadoc)
	 * @see com.ssh.hibernate.dao.UsersDao#delete(com.ssh.hibernate.pojo.Users)
	 */
	@Override
	public boolean delete(Users users) {
		// TODO Auto-generated method stub
		try {
			this.getHibernateTemplate().delete(users);
			return true;
		} catch (DataAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		}
	}

	/*
	 * (non-Javadoc)
	 * @see com.ssh.hibernate.dao.UsersDao#load(java.lang.String, java.lang.String)
	 */
	@Override
	public Users load(final String username, final String password) {
		// TODO Auto-generated method stub
		Users user = null;
		String[] values = {username, password};
		List<Users> users = (List)this.getHibernateTemplate().find("from Users u where u.username = ? and u.password = ?", values);
		if(!users.isEmpty()){
			user = (Users)users.get(0);
		}
		return user;
	}

	/*
	 * (non-Javadoc)
	 * @see com.ssh.hibernate.dao.UsersDao#save(com.ssh.hibernate.pojo.Users)
	 */
	@Override
	public boolean save(Users users) {
		// TODO Auto-generated method stub
		try {
			this.getHibernateTemplate().save(users);
			return true;
		} catch (DataAccessException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
			return false;
		}
	}

	/*
	 * (non-Javadoc)
	 * @see com.ssh.hibernate.dao.UsersDao#list()
	 */
	@Override
	public List<Users> list() {
		// TODO Auto-generated method stub
		return this.getHibernateTemplate().find("from Users");
	}

	/*
	 * (non-Javadoc)
	 * @see com.ssh.hibernate.dao.UsersDao#load(java.lang.Long)
	 */
	@Override
	public Users load(Long id) {
		// TODO Auto-generated method stub
		return (Users)this.getHibernateTemplate().get(Users.class, id);
	}

}