April 05
Prof. Ismael H. F. Santos
- ismael@tecgraf.puc-rio.br
2
DAO Example – The need for IoC
public interface UserDao {
public User getUserById( Integer id );
public List getUsersById( Integer ids[]
);
public List getUsersByRoleName( String
roleName );
public User getUserByCin( String cin );
public User getUserByName( String username
);
public User getUserByEmail( String email
);
public void saveUser( User user );
}
Data Access Object (DAO)
