org.sodeac.common.snapdeque

Class SnapshotableDeque.Bollard

java.lang.Object

org.sodeac.common.snapdeque.DequeNode<E>

org.sodeac.common.snapdeque.SnapshotableDeque.Bollard

Enclosing class:

SnapshotableDeque<E>

protected class SnapshotableDeque.Bollard
extends DequeNode<E>

Internal helper class to reference begin or end of branch. This is the non-payload variant of DequeNode.

Author:

Sebastian Palarus

Nested Class Summary

Nested classes/interfaces inherited from class org.sodeac.common.snapdeque.DequeNode

DequeNode.Link<E>

Field Summary

Fields inherited from class org.sodeac.common.snapdeque.DequeNode

element, head, lastObsoleteOnVersion, snapshotableDeque

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Bollard()

Method Summary

Modifier and Type	Method and Description
protected SnapshotableDeque.Eyebolt<E>	createHead(SnapshotableDeque.SnapshotVersion<E> currentVersion, SnapshotableDeque.LinkMode linkMode) Internal helper method to create new link version
protected SnapshotableDeque.Eyebolt<E>	getLink() Internal helper method to get link object of node
protected boolean	isPayload() Internal method.

Methods inherited from class org.sodeac.common.snapdeque.DequeNode

dispose, getElement, isLinked, setHead, toString, unlink

Methods inherited from class java.lang.Object

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

Constructor Detail

Bollard

protected Bollard()

Method Detail

isPayload

protected boolean isPayload()

Description copied from class: DequeNode

Internal method.

Overrides:

isPayload in class DequeNode<E>

Returns:

node contains element as payload

getLink

protected SnapshotableDeque.Eyebolt<E> getLink()

Description copied from class: DequeNode

Internal helper method to get link object of node

Overrides:

getLink in class DequeNode<E>

Returns:

link object or null

createHead

protected SnapshotableDeque.Eyebolt<E> createHead(SnapshotableDeque.SnapshotVersion<E> currentVersion,
                                                  SnapshotableDeque.LinkMode linkMode)

Description copied from class: DequeNode

Internal helper method to create new link version

Overrides:

createHead in class DequeNode<E>

Parameters:

currentVersion - current version of deque

linkMode - append or prepend

Returns:

new link