bank

Class Clock

java.lang.Object

bank.Clock

public class Clock
extends java.lang.Object

Singleton class for representing an assumed system-wide clock (for simplicity we suppose that both the central host and all ATMs are running on the same clock).

Method Summary

Methods

Modifier and Type	Method and Description
static int	getBigBangsDate()
static int	getCurrentDate()
static Clock	getInstance()
static boolean	isEarlier(int dateA, int dateB)
static boolean	isLater(int dateA, int dateB)
static boolean	isSameDay(int dateA, int dateB)
static boolean	isSameMonth(int dateA, int dateB)
static void	tick() Make the time progress (don't care about overflows ...)

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static Clock getInstance()

Returns:

Returns the instance.

tick

public static void tick()

Make the time progress (don't care about overflows ...)

getCurrentDate

public static int getCurrentDate()

Returns:

the current date/time

getBigBangsDate

public static int getBigBangsDate()

Returns:

some date/time in a very distant past (used to initialise certain attributes in other classes)

isSameDay

public static boolean isSameDay(int dateA,
                int dateB)

Returns:

true iff the two given dates refer to the same day

isEarlier

public static boolean isEarlier(int dateA,
                int dateB)

Returns:

true iff dateA is an earlier date than dateB

isLater

public static boolean isLater(int dateA,
              int dateB)

Returns:

true iff dateA is a later date than dateB

isSameMonth

public static boolean isSameMonth(int dateA,
                  int dateB)

Returns:

true iff the two given dates refer to the same day