Class Patron

java.lang.Object
  |
  +--Patron

public class Patron

extends java.lang.Object

implements java.io.Serializable

Patron class in regard to this particular library. Part of Blab2.java (Second = 035B Java college-class, lab assignment #2)

Author:

Robert Elton Maas

See Also:

Serialized Form

Field Summary

private java.lang.String	address
private java.util.Vector	booksCheckedOut
private java.util.Vector	booksReserved
private int	centsFineAlready
private static boolean	changed
private static java.lang.String	fn
private java.lang.String	name
private static java.util.Vector	patrons
private java.lang.String	ptid
(package private) static long	serialVersionUID

Constructor Summary

Patron(java.lang.String ptid, java.lang.String name, java.lang.String address)
Constructor

Method Summary

void	addCheckedOut(int bkid) Include another book checked out by one patron
void	addFine(int more) Increment to static fine (books already returned)
void	addReservedBook(int bkid) Reserve a book for this patron
boolean	addToList() Add new patron to list
java.util.Enumeration	allCheckedOut() Enumeration of books checked out by one patron
java.util.Enumeration	allReservedBooks() Enumeraton of books reserved by this patron
boolean	anyCheckedOut() Does this patron have any books currently checked out?
static int	findPatronById(java.lang.String ptid) Given patron card#, search for that patron
java.lang.String	getAddress() Accessor for patron address
int	getDynamicFine() Compute dynamic fine for books still checked out but overdue
java.lang.String	getId() Accessor for patron ID (card#)
java.lang.String	getName() Accessor for patron name
static Patron	getPatronByIndex(int ix) Retrieve patron record by index
int	getStaticFine() Accessor for static fine
static void	mayLoadPatronsDatabase() If patrons database exists, load it, else ask user if it's OK to start with empty database.
static void	maySavePatronsDatabase() If any changes since last save/restore, save entire patron database to disk file.
void	removeCheckedOut(int bkid) Mark book no longer checked out by one patron
void	removeFromList() Remove this patron from list of patrons of library
void	removeReservedBook(int bkid) Remove a reservation on a book

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

static final long serialVersionUID

ptid

private java.lang.String ptid

name

private java.lang.String name

address

private java.lang.String address

booksCheckedOut

private java.util.Vector booksCheckedOut

centsFineAlready

private int centsFineAlready

booksReserved

private java.util.Vector booksReserved

patrons

private static java.util.Vector patrons

changed

private static boolean changed

fn

private static final java.lang.String fn

Constructor Detail

Patron

public Patron(java.lang.String ptid,
              java.lang.String name,
              java.lang.String address)

Constructor

Parameters:

ptid - String card# to assign to new patron

name - String name of patron

address - String address of patron

Method Detail

addReservedBook

public void addReservedBook(int bkid)

Reserve a book for this patron

Parameters:

bkid - int ID of book to be reserved

removeReservedBook

public void removeReservedBook(int bkid)

Remove a reservation on a book

Parameters:

bkid - int ID of book this patron is no longer reserving

allReservedBooks

public java.util.Enumeration allReservedBooks()

Enumeraton of books reserved by this patron

Returns:

Enumeration listing all books currently reserved by this patron

getStaticFine

public int getStaticFine()

Accessor for static fine

Returns:

int Number of cents fine against this patron for books already returned hence fines are final

anyCheckedOut

public boolean anyCheckedOut()

Does this patron have any books currently checked out?

Returns:

boolean True if at least one book checked out, else false

allCheckedOut

public java.util.Enumeration allCheckedOut()

Enumeration of books checked out by one patron

Returns:

Enumeration Listing all books checked out by this patron

getDynamicFine

public int getDynamicFine()

Compute dynamic fine for books still checked out but overdue

Returns:

int Number of cents of fine at this moment on all books checked out and currently overdue, may increase if not returned soon.

addFine

public void addFine(int more)

Increment to static fine (books already returned)

Parameters:

more - int Number of cents additional fine to charge, negative amount if paying fine

addCheckedOut

public void addCheckedOut(int bkid)

Include another book checked out by one patron

Parameters:

bkid - int ID of book being checked out by this patron

removeCheckedOut

public void removeCheckedOut(int bkid)

Mark book no longer checked out by one patron

Parameters:

bkid - int ID of book being returned by this patron

getId

public java.lang.String getId()

Accessor for patron ID (card#)

Returns:

String card# for this patron

getName

public java.lang.String getName()

Accessor for patron name

Returns:

String name of this patron

getAddress

public java.lang.String getAddress()

Accessor for patron address

Returns:

String address of this patron

findPatronById

public static int findPatronById(java.lang.String ptid)

Given patron card#, search for that patron

Parameters:

ptid - String card# of patron to search for

Returns:

int Index within list of patrons where card# found

getPatronByIndex

public static Patron getPatronByIndex(int ix)

Retrieve patron record by index

Parameters:

ix - int Index within patron list

Returns:

Patron Full record of patron retrieved at that index

addToList

public boolean addToList()

Add new patron to list

Returns:

boolean True (always succeeds)

removeFromList

public void removeFromList()

Remove this patron from list of patrons of library

mayLoadPatronsDatabase

public static void mayLoadPatronsDatabase()

If patrons database exists, load it, else ask user if it's OK to start with empty database.

maySavePatronsDatabase

public static void maySavePatronsDatabase()

If any changes since last save/restore, save entire patron database to disk file.