com.thomsonreuters.upa.valueadd.common

Class VaConcurrentQueue

java.lang.Object

com.thomsonreuters.upa.valueadd.common.VaQueue

com.thomsonreuters.upa.valueadd.common.VaConcurrentQueue

public class VaConcurrentQueue
extends VaQueue

A thread-safe version of the Value Add FIFO queue.

Constructor Summary

Constructors

Constructor and Description
VaConcurrentQueue()

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.

Methods inherited from class com.thomsonreuters.upa.valueadd.common.VaQueue

size

Methods inherited from class java.lang.Object

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

Constructor Detail

VaConcurrentQueue

public VaConcurrentQueue()

Method Detail

add

public void add(VaNode node)

Description copied from class: VaQueue

Adds to the tail of the queue.

Overrides:

add in class VaQueue

Parameters:

node - the node to add

poll

public VaNode poll()

Description copied from class: VaQueue

Removes and returns the head of the queue.

Overrides:

poll in class VaQueue

Returns:

the head of the queue

peek

public VaNode peek()

Description copied from class: VaQueue

Returns but does not remove the head of the queue.

Overrides:

peek in class VaQueue

Returns:

the head of the queue

remove

public boolean remove(VaNode node)

Description copied from class: VaQueue

Removes a node from the queue.

Overrides:

remove in class VaQueue

Parameters:

node - the node to remove

Returns:

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