org.musicontroller.service
Class UserServiceImpl

java.lang.Object
  org.musicontroller.service.UserServiceImpl

All Implemented Interfaces:

UserService

public class UserServiceImpl
extends java.lang.Object
implements UserService

Implementation of the UserService.

Author:

Varienaja

Constructor Summary

UserServiceImpl()

Method Summary

void	addUser(IUser user) Persists a new User-object in the database.
UserDao	getDao() Getter for the UserDao.
IUser	getUserById(long id) Returns the User that was persisted under the ID given.
java.util.List<Role>	listRoles() Queries the database for a list of all Roles.
java.util.List<IUser>	listUsers() Queries the database for a list of all users.
void	saveUser(IUser user) Saves changs to an existing user.
void	setDao(UserDao dao) Setter for the UserDao.

Methods inherited from class java.lang.Object

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

Constructor Detail

UserServiceImpl

public UserServiceImpl()

Method Detail

getDao

public UserDao getDao()

Getter for the UserDao.

Returns:

The UserDao.

setDao

public void setDao(UserDao dao)

Setter for the UserDao.

Parameters:

dao - The UserDao.

addUser

public void addUser(IUser user)
             throws java.lang.Exception

Description copied from interface: UserService

Persists a new User-object in the database.

Specified by:

addUser in interface UserService

Parameters:

user - The new User

Throws:

java.lang.Exception - when the User's loginname is not unique.

saveUser

public void saveUser(IUser user)

Description copied from interface: UserService

Saves changs to an existing user.

Specified by:

saveUser in interface UserService

Parameters:

user - The changed user.

listUsers

public java.util.List<IUser> listUsers()

Description copied from interface: UserService

Queries the database for a list of all users. The list returned is sorted by loginname.

Specified by:

listUsers in interface UserService

Returns:

A list of users, sorted on loginname.

listRoles

public java.util.List<Role> listRoles()

Description copied from interface: UserService

Queries the database for a list of all Roles.

Specified by:

listRoles in interface UserService

Returns:

A list or roles.

getUserById

public IUser getUserById(long id)

Description copied from interface: UserService

Returns the User that was persisted under the ID given.

Specified by:

getUserById in interface UserService

Parameters:

id - The Id

Returns:

The User with that id, or null if there was no such user.