br.com.caelum.vraptor.mydvds.dao

Class DefaultUserDao

java.lang.Object

br.com.caelum.vraptor.mydvds.dao.DefaultUserDao

All Implemented Interfaces:

UserDao

@Component
public class DefaultUserDao
extends Object
implements UserDao

Default implementation for UserDao

Author:

Lucas Cavalcanti

Constructor Summary

Constructors

Constructor and Description
DefaultUserDao(org.hibernate.Session session) Creates a new UserDao.

Method Summary

Methods

Modifier and Type	Method and Description
void	add(User user) Adds the user on database
boolean	containsUserWithLogin(String login) Checks if there is already an user with given login.
User	find(String login) Finds an user by login
User	find(String login, String password) Finds an user by login and password.
List<User>	listAll() Retrieves all users from database.
void	refresh(User user) Synchronize the user data with the database.
void	update(User user) Update the user on database.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultUserDao

public DefaultUserDao(org.hibernate.Session session)

Creates a new UserDao. You can receive dependencies through constructor, because this class is annotated with @Component. This class can be used as dependency of another class, as well.

Parameters:

session - Hibernate's Session.

Method Detail

find

public User find(String login,
        String password)

Description copied from interface: UserDao

Finds an user by login and password.

Specified by:

find in interface UserDao

Returns:

found user if it is unique

find

public User find(String login)

Description copied from interface: UserDao

Finds an user by login

Specified by:

find in interface UserDao

Returns:

found user if it is unique

add

public void add(User user)

Description copied from interface: UserDao

Adds the user on database

Specified by:

add in interface UserDao

refresh

public void refresh(User user)

Description copied from interface: UserDao

Synchronize the user data with the database. Any not saved modification on user will be overwritten.

Specified by:

refresh in interface UserDao

update

public void update(User user)

Description copied from interface: UserDao

Update the user on database.

Specified by:

update in interface UserDao

listAll

public List<User> listAll()

Description copied from interface: UserDao

Retrieves all users from database.

Specified by:

listAll in interface UserDao

Returns:

containsUserWithLogin

public boolean containsUserWithLogin(String login)

Description copied from interface: UserDao

Checks if there is already an user with given login.

Specified by:

containsUserWithLogin in interface UserDao

Returns:

true if there exists a user