Class Clock

java.lang.Object
  |
  +--Clock

public class Clock

extends java.lang.Object

The clock used to run the lunch simulation. It uses a Priority Queue to hold a series of Events. These events all occur at a certain time.

See Also:

PriorityQueue, Event

Field Summary

private double	currentTime The current time in the simulation: time passed since the start of lunch.
private PriorityQueue	timer The structure used to store events.

Constructor Summary

Clock()
Creates a new Clock.

Clock(double initTime)
Creates a new Clock, with a specified starting time

Method Summary

void	addEvent(Event event, double time) Adds a specified event at a certain time to the simulation clock
boolean	finished() Checks if there are no more events in the simulation
double	getCurrentTime() Returns the current time
Event	nextEvent() Returns the next event from the simulation

Methods inherited from class java.lang.Object

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

Field Detail

currentTime

private double currentTime

The current time in the simulation: time passed since the start of lunch.

timer

private PriorityQueue timer

The structure used to store events.

Constructor Detail

Clock

public Clock(double initTime)

Creates a new Clock, with a specified starting time

Parameters:

initTime - the Clock's starting time

Clock

public Clock()

Creates a new Clock. The starting time is set to 0

Method Detail

getCurrentTime

public double getCurrentTime()

Returns the current time

addEvent

public void addEvent(Event event,
                     double time)

Adds a specified event at a certain time to the simulation clock

Parameters:

event - the Event to be added to the simulation

time - the time the event is to occur

nextEvent

public Event nextEvent()

Returns the next event from the simulation

finished

public boolean finished()

Checks if there are no more events in the simulation

Returns:

true iff there are no more events in the simulation