Package Singletons

Class UserLoginManager

java.lang.Object

Singletons.UserLoginManager

public class UserLoginManager
extends Object

A singleton class that manages the list of registered users

Method Summary

Modifier and Type	Method	Description
void	addUser(User user)	Add a user to the list of registered users
List<Patient>	getAllPatients()	Get all patients
List<Staff>	getAllStaffs()	Get all staffs
static UserLoginManager	getInstance()
User	getUserById(String id)	Get a user by their username
Set<String>	getUserIds()
ArrayList<User>	getUsers()	Get the list of registered users
void	removeUser(User user)	Remove a user from the list of registered users

Methods inherited from class java.lang.Object

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

Method Details

getInstance

public static UserLoginManager getInstance()

getUserById

public User getUserById(String id)

Get a user by their username

Parameters:

id - the id of the user

Returns:

the user with the given username

getAllPatients

public List<Patient> getAllPatients()

Get all patients

Returns:

a list of all patients

getAllStaffs

public List<Staff> getAllStaffs()

Get all staffs

Returns:

a list of all staffs

addUser

public void addUser(User user)

Add a user to the list of registered users

Parameters:

user - the user to be added

removeUser

public void removeUser(User user)

Remove a user from the list of registered users

Parameters:

user - the user to be removed

getUsers

public ArrayList<User> getUsers()

Get the list of registered users

Returns:

the list of registered users

getUserIds

public Set<String> getUserIds()