usersdao.java

来自「ssh 实例spring对hibernate的封装」· Java 代码 · 共 54 行

package com.ssh.hibernate.dao;

import java.util.List;

import com.ssh.hibernate.pojo.Users;

/**
 * Interface, Users Access Object
 * providers methods to access table users with actions of save, delete, load
 *@author T.Xin.Jun
 */
public interface UsersDao {
	/**
	 * Method save
	 * save a user to database
	 * @param users
	 * @return boolean
	 */
	public boolean save(Users users);
	
	/**
	 * Method delete
	 * delele a user from database
	 * @param users
	 * @return boolean
	 */
	public boolean delete(Users users);
	
	/**
	 * Method load
	 * load a user from database with user name and password
	 * @param username
	 * @param password
	 * @return Users
	 */
	public Users load(String username, String password);
	
	/**
	 * Method load
	 * load a user from database by id
	 * @param username
	 * @param password
	 * @return Users
	 */
	public Users load(Long id);
	
	/**
	 * Method list
	 * list all the users from dataabse
	 * @return List
	 */
	public List<Users> list();
}