userManager.authenticate
Class Authenticate

java.lang.Object
  userManager.authenticate.Authenticate

All Implemented Interfaces:

AuthenticateInterface

public class Authenticate
extends Object
implements AuthenticateInterface

The Authenticate class provides functions for user to login and logout of the system. After authenticating the user, class will add user into the Active table where users remain until the logout.

Field Summary

ActiveInterface	active
Builder	build
UserInterface	user

Method Summary

boolean	authenticate(String username, String password) This method will verify that a given username and password matches a registered user in the system.
static Authenticate	getInstance() This method will return the Authenticate instance if one already exists.
void	logout(String username) This method will logout the user from the system by removing it from active users table and marks user status field as 0 for inactive.

Methods inherited from class java.lang.Object

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

Field Detail

active

public ActiveInterface active

user

public UserInterface user

build

public Builder build

Method Detail

getInstance

public static Authenticate getInstance()

This method will return the Authenticate instance if one already exists. If the Authenticate class instance doesnot exists, method will construct the class and return its instance.

authenticate

public boolean authenticate(String username,
                            String password)

This method will verify that a given username and password matches a registered user in the system. If a match is found it returns true, else, it returns false. If it returns true, the method will construct a User object and adds it to ActiveInterface table.

Specified by:

authenticate in interface AuthenticateInterface

Parameters:

String - userName username value to be authenticated.

String - password password value to be authenticated.

Returns:

Boolean Authentication result.

logout

public void logout(String username)

This method will logout the user from the system by removing it from active users table and marks user status field as 0 for inactive.

Specified by:

logout in interface AuthenticateInterface