org.apache.ojb.odmg
Class Image

java.lang.Object
  org.apache.ojb.odmg.Image

Direct Known Subclasses:

Image.Field, Image.MultipleRef, Image.SingleRef

public abstract class Image
extends Object

This class encapsulates classes used to take persistence capable object state snapshoot and to detect changed fields or references.

Version:

$Id: Image.java,v 1.1 2007-08-24 22:17:37 ewestfal Exp $

Nested Class Summary

static class	Image.Field
static class	Image.ImageException Thrown if something unexpected is happen when handling the object images for state detection.
static interface	Image.ImageListener
static class	Image.MultipleRef
static class	Image.SingleRef

Field Summary

(package private) static Logger	log
private long	timestamp

Constructor Summary

private

Image()

Method Summary

abstract void	cleanup(boolean reuse)
(package private) boolean	illegalImageComparison(Image oldImage)
abstract boolean	modified(Image other)
void	performReferenceDetection(Image oldImage)
(package private) abstract void	referenceProcessing(Image oldImage)

Methods inherited from class java.lang.Object

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

Field Detail

log

static Logger log

timestamp

private long timestamp

Constructor Detail

Image

private Image()

Method Detail

illegalImageComparison

boolean illegalImageComparison(Image oldImage)

cleanup

public abstract void cleanup(boolean reuse)

modified

public abstract boolean modified(Image other)

referenceProcessing

abstract void referenceProcessing(Image oldImage)

performReferenceDetection

public void performReferenceDetection(Image oldImage)