airline
Class User

java.lang.Object
  airline.User

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

Administrator, Customer

public abstract class User
extends Object
implements Serializable

Represents a registered user for the airline system.

Author:

Michael Goldwasser

See Also:

Serialized Form

Field Summary

(package private) String	ID Unique ID for system User
(package private) String	password Password for the user

Constructor Summary

protected

User(String userID, String pwd) Creates a new User instance with given credentials.

Method Summary

abstract UserSession	getSession(Connection connection) A factory function producing an appropriate UserSession for this user.
String	getUserID() Returns this customer's unique user ID
boolean	verifyPassword(String attempt) Compares a given password attempt to the underlying password.

Methods inherited from class java.lang.Object

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

Field Detail

ID

String ID

Unique ID for system User

password

String password

Password for the user

Constructor Detail

User

protected User(String userID,
               String pwd)

Creates a new User instance with given credentials.

Parameters:

userID - A unique userID

pwd - The password for that user

Method Detail

getSession

public abstract UserSession getSession(Connection connection)

A factory function producing an appropriate UserSession for this user.

Returns:

the new UserSession.

getUserID

public String getUserID()

Returns this customer's unique user ID

verifyPassword

public boolean verifyPassword(String attempt)

Compares a given password attempt to the underlying password.

Parameters:

attempt - a potential match for the password

Returns:

true if parameter matches the password; false otherwise.