Java Data Objects

Table of Contents

1. Introduction

1.1. Intended Audience

1.2. Transparent Persistence

2. Why JDO?

3. JDO Architecture

3.1. JDO Exceptions

4. PersistenceCapable

4.1. Enhancers

4.2. Persistence-Capable vs. Persistence-Aware

4.3. Restrictions on Persistent Classes

4.3.1. Inheritance

4.3.2. Persistent Fields

4.3.3. Conclusions

4.4. InstanceCallbacks

4.5. JDO Identity

4.5.1. Datastore Identity

4.5.2. Application Identity

4.6. Conclusions

5. Metadata

5.1. Metadata DTD

5.2. Metadata Placement

6. JDOHelper

6.1. Persistence-Capable Operations

6.2. Lifecycle Operations

6.3. PersistenceManagerFactory Construction

7. PersistenceManagerFactory

7.1. Obtaining a PersistenceManagerFactory

7.2. PersistenceManagerFactory Properties

7.2.1. Connection Configuration

7.2.2. PersistenceManagerFactory and Transaction Defaults

7.2.3. PersistenceManager Pooling

7.3. Obtaining PersistenceManagers

7.4. Properties and Supported Options

8. PersistenceManager

8.1. User Object Association

8.2. Configuration Properties

8.3. Transaction Association

8.4. Persistence-capable Lifecycle Management

8.5. JDO Identity Management

8.6. Extent Factory

8.7. Query Factory

8.8. Closing

9. Transaction

9.1. Transaction Types

9.2. The JDO Transaction Interface

10. Extent

11. Query

11.1. Required Query Elements

11.2. Optional Query Elements

11.3. JDOQL

11.4. Executing Queries

11.5. Query Compilation