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Sometimes we make things more difficult for ourselves than they really need to be. Programmers are no exception to this. For example, those of us of an object-oriented persuasion devote time and expertise to creating a model of a problem domain in terms of objects. We produce solutions that model real-world objects and that are highly extensible and reusable. And then we decide that we need those objects to stick around after the program stops, so we go ahead and create another, totally different model, just so that we can use a database | e. db4o The Definitive Guide to db4o Jim Paterson Stefan Edlich Henrik Horning and Reidar Horning Apress The Definitive Guide to db4o Copyright 2006 by Jim Paterson Stefan Edlich Henrik Horning Reidar Horning All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying recording or by any information storage or retrieval system without the prior written permission of the copyright owner and the publisher. ISBN-13 978-1-59059-656-2 ISBN-10 1-59059-656-0 Printed and bound in the United States of America 9 8 7 6 5 4 3 2 1 Trademarked names may appear in this book. Rather than use a trademark symbol with every occurrence of a trademarked name we use the names only in an editorial fashion and to the benefit of the trademark owner with no intention of infringement of the trademark. Lead Editor Jason Gilmore Technical Reviewer Brian Breneman Editorial Board Steve Anglin Ewan Buckingham Gary Cornell Jason Gilmore Jonathan Gennick Jonathan Hassell James Huddleston Chris Mills Matthew Moodie Dominic Shakeshaft Jim Sumser Keir Thomas Matt Wade Project Manager Kylie Johnston Copy Edit Manager Nicole LeClerc Copy Editor Liz Welch Assistant Production Director Kari Brooks-Copony Production Editor Ellie Fountain Compositor Susan Glinert Stevens Proofreader Linda Seifert Indexer Valerie Perry Artist Kinetic Publishing Services LLC Cover Designer Kurt Krames Manufacturing Director Tom Debolski Distributed to the book trade worldwide by Springer-Verlag New York Inc. 233 Spring Street 6th Floor New York NY 10013. Phone 1-800-SPRINGER fax 201-348-4505 e-mail orders-ny@springer-sbm.com or visit http www. springeronline.com. For information on translations please contact Apress directly at 2560 Ninth Street Suite 219 Berkeley CA 94710. Phone 510-549-5930 fax 510-549-5939 e-mail info@apress.com or visit http www.apress.com. The information in this book is distributed on an as is basis without .
