Annotation of /src/main/java/eu/smartlm/abs/portal/security/login/dao/UserDao.java

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1 :	dgarcia	1	package eu.smartlm.abs.portal.security.login.dao;
2 :
3 :			import java.util.List;
4 :
5 :			import eu.smartlm.abs.portal.security.login.model.User;
6 :
7 :			/**
8 :			* Interface that abstract the User database implementation from the rest of the project
9 :			* @author David García Pérez - CESGA
10 :			**/
11 :			public interface UserDao {
12 :			public static int USER_ADDED = 100;
13 :			public static int ALREADY_USED_USERNAME = 200;
14 :			/**
15 :			* Gives back a list with all the users stored in teh database
16 :			* @return a list of all users
17 :			*/
18 :			public List<User> getUsers();
19 :
20 :			/**
21 :			* Adds an user to the database
22 :			* @param user to be added
23 :			*/
24 :			public int addUser(User user);
25 :
26 :			/**
27 :			* Removes an specific user from the database
28 :			* @param username of the user to be removed
29 :			*/
30 :			public void removeUser(String username);
31 :
32 :			/**
33 :			* Edits the information of an user stored in the database
34 :			* @param user with the same id but with the updated information
35 :			*/
36 :			public void editUser(User user);
37 :
38 :			/**
39 :			* Retrieves an user form the database by username field
40 :			* @param username of the user to be retrieved
41 :			* @return the User or <code>null</code> if the users does not exists in the database
42 :			*/
43 :			public User getUser(String username);
44 :			}

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