net.sf.joafip.file.entity

Class PageNode

java.lang.Object

net.sf.joafip.file.entity.PageNode

@NotStorableClass
public class PageNode
extends Object

node for file cache page

Author:

luc peuvrier

Field Summary

Fields

Modifier and Type	Field and Description
byte[]	data the page buffer
PageNode	next next free page node, null if this is the last node
long	positionInFile this page position in file
PageNode	previous previous page node, null if this is the first node
boolean	toWrite

Constructor Summary

Constructors

Constructor and Description
PageNode(byte[] data)

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

data

public final byte[] data

the page buffer

positionInFile

public long positionInFile

this page position in file

toWrite

public boolean toWrite

previous

public PageNode previous

previous page node, null if this is the first node

next

public PageNode next

next free page node, null if this is the last node

Constructor Detail

PageNode

public PageNode(byte[] data)