Quadcap Embeddable Server

com.quadcap.util.collections.Queue Interface Reference

Inheritance diagram for com.quadcap.util.collections.Queue:

List of all members.

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Detailed Description

This class implements a queue with a capacity.

Author:

Stan Bailes

Definition at line 46 of file Queue.java.

Public Member Functions
void	setCapacity (int capacity)
	Specify the maximum capacity of this queue, -1 means unbounded.
int	size ()
	Return the number of items in the queue.
void	addFront (Object obj)
	Add an object to the front of the queue.
void	addBack (Object obj)
	Add an object to the back of the queue.
Object	head ()
	Access the object at the front of the queue.
Object	tail ()
	Access the object at the back of the queue.
Object	popFront ()
	Remove and return the item at the front of the queue.
Object	popBack ()
	Remove and return the item at the back of the queue.

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Member Function Documentation

void com.quadcap.util.collections.Queue.addBack (  Object  obj  )

Add an object to the back of the queue. Parameters: obj  the object to add Implemented in com.quadcap.util.collections.ArrayQueue.

void com.quadcap.util.collections.Queue.addFront (  Object  obj  )

Add an object to the front of the queue. Parameters: obj  the object to add Implemented in com.quadcap.util.collections.ArrayQueue.

Object com.quadcap.util.collections.Queue.head (   )

Access the object at the front of the queue. Throw a runtime exception if the queue is empty. Returns: the item at the head of the queue Implemented in com.quadcap.util.collections.ArrayQueue.

Object com.quadcap.util.collections.Queue.popBack (   )

Remove and return the item at the back of the queue. Throw a runtime exception if the queue is empty. Returns: the item at the tail of the queue Implemented in com.quadcap.util.collections.ArrayQueue.

Object com.quadcap.util.collections.Queue.popFront (   )

Remove and return the item at the front of the queue. Throw a runtime exception if the queue is empty. Returns: the item at the head of the queue Implemented in com.quadcap.util.collections.ArrayQueue.

void com.quadcap.util.collections.Queue.setCapacity (  int  capacity  )

Specify the maximum capacity of this queue, -1 means unbounded. Parameters: capacity  the new capacity of the queue, or -1 to specify a queue of unlimited size. Implemented in com.quadcap.util.collections.ArrayQueue.

int com.quadcap.util.collections.Queue.size (   )

Return the number of items in the queue. Returns: the queue's size Implemented in com.quadcap.util.collections.ArrayQueue.

Object com.quadcap.util.collections.Queue.tail (   )

Access the object at the back of the queue. Throw a runtime exception if the queue is empty. Returns: the item at the tail of the queue Implemented in com.quadcap.util.collections.ArrayQueue.