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Wed Jul 28 10:05:51 2010 UTC
(13 years, 10 months ago)
by dgarcia File size: 1186 byte(s)
First code commit
package eu.smartlm.abs.portal.security.login.dao;
import java.util.List;
import eu.smartlm.abs.portal.security.login.model.User;
/**
* Interface that abstract the User database implementation from the rest of the project
* @author David García Pérez - CESGA
**/
public interface UserDao {
public static int USER_ADDED = 100;
public static int ALREADY_USED_USERNAME = 200;
/**
* Gives back a list with all the users stored in teh database
* @return a list of all users
*/
public List<User> getUsers();
/**
* Adds an user to the database
* @param user to be added
*/
public int addUser(User user);
/**
* Removes an specific user from the database
* @param username of the user to be removed
*/
public void removeUser(String username);
/**
* Edits the information of an user stored in the database
* @param user with the same id but with the updated information
*/
public void editUser(User user);
/**
* Retrieves an user form the database by username field
* @param username of the user to be retrieved
* @return the User or <code>null</code> if the users does not exists in the database
*/
public User getUser(String username);
}