network
Class Queue

java.lang.Object
  network.Queue

Direct Known Subclasses:

FIFOQueue, LIFOQueue, OrderedQueue, PriorityQueue, RandomQueue

public abstract class Queue
extends java.lang.Object

Field Summary

protected int

pop

Constructor Summary

Queue()

Queue(int cap)

Method Summary

boolean	canAccept(Customer c)
Customer	dequeue()
void	enqueue(Customer c)
void	enqueueAtHead(Customer c)
int	getCapacity()
Customer	head()
protected abstract Customer	headOfQueue()
protected abstract void	insertAtHeadOfQueue(Customer o)
protected abstract void	insertIntoQueue(Customer o) These abstract methods allow different queueing disciplines to be supported - see the various subclasses
boolean	isEmpty()
boolean	isInfinite()
double	meanQueueLength() Generic measures
double	meanTimeInQueue()
int	queueLength()
protected abstract Customer	removeFromQueue()
void	resetMeasures()
double	varQueueLength()
double	varTimeInQueue()

Methods inherited from class java.lang.Object

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

Field Detail

pop

protected int pop

Constructor Detail

Queue

public Queue()

Queue

public Queue(int cap)

Method Detail

getCapacity

public int getCapacity()

isInfinite

public boolean isInfinite()

isEmpty

public boolean isEmpty()

canAccept

public boolean canAccept(Customer c)

queueLength

public int queueLength()

enqueue

public void enqueue(Customer c)

enqueueAtHead

public void enqueueAtHead(Customer c)

head

public Customer head()

dequeue

public Customer dequeue()

insertIntoQueue

protected abstract void insertIntoQueue(Customer o)

These abstract methods allow different queueing disciplines to be supported - see the various subclasses

insertAtHeadOfQueue

protected abstract void insertAtHeadOfQueue(Customer o)

headOfQueue

protected abstract Customer headOfQueue()

removeFromQueue

protected abstract Customer removeFromQueue()

meanQueueLength

public double meanQueueLength()

Generic measures

varQueueLength

public double varQueueLength()

meanTimeInQueue

public double meanTimeInQueue()

varTimeInQueue

public double varTimeInQueue()

resetMeasures

public void resetMeasures()