com.thomsonreuters.upa.valueadd.common

Class VaQueue

java.lang.Object

com.thomsonreuters.upa.valueadd.common.VaQueue

Direct Known Subclasses:

VaConcurrentQueue, VaIteratableQueue

public class VaQueue
extends java.lang.Object

A FIFO queue.

Constructor Summary

Constructors

Constructor and Description
VaQueue()

Method Summary

Modifier and Type	Method and Description
void	add(VaNode node) Adds to the tail of the queue.
VaNode	peek() Returns but does not remove the head of the queue.
VaNode	poll() Removes and returns the head of the queue.
boolean	remove(VaNode node) Removes a node from the queue.
int	size() Returns the size of the queue.

Methods inherited from class java.lang.Object

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

Constructor Detail

VaQueue

public VaQueue()

Method Detail

add

public void add(VaNode node)

Adds to the tail of the queue.

Parameters:

node - the node to add

poll

public VaNode poll()

Removes and returns the head of the queue.

Returns:

the head of the queue

peek

public VaNode peek()

Returns but does not remove the head of the queue.

Returns:

the head of the queue

remove

public boolean remove(VaNode node)

Removes a node from the queue.

Parameters:

node - the node to remove

Returns:

true if the node was in the queue, or false if the node wasn't

size

public int size()

Returns the size of the queue.

Returns:

the size of the queue