Oracle Fusion Middleware
Developer’s Guide for Oracle TopLink
11g Release 1 (11.1.1)
B32441-02
September 2008
Oracle Fusion Middleware Developer's Guide for Oracle TopLink, 11g Release 1 (11.1.1)
B32441-02
Copyright © 1997, 2008, Oracle. All rights reserved.
Primary Author: Liza Rekadze
Contributing Author: Rick Sapir
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Contents
Preface .............................................................................................................................................................. lxiii
Audience.................................................................................................................................................... lxiii
Documentation Accessibility.................................................................................................................. lxiii
Related Documentation........................................................................................................................... lxiv
Conventions .............................................................................................................................................. lxiv
Part I TopLink Application Development Overview
1 Introduction to TopLink
1.1 What Is TopLink?........................................................................................................................ 1-1
1.2 What Is the Object-Persistence Impedance Mismatch........................................................... 1-2
1.3 TopLink Key Features ................................................................................................................ 1-4
1.4 TopLink Application Architectures ......................................................................................... 1-4
2 Introduction to TopLink Application Development
2.1 Introduction to TopLink Application Development ............................................................. 2-1
2.1.1 Typical Development Stages.............................................................................................. 2-2
2.1.2 Oracle Development Support ............................................................................................ 2-3
2.2 Designing Your Application with TopLink ............................................................................ 2-3
2.2.1 How to Use TopLink in Your Application Design ......................................................... 2-3
2.2.1.1 Relational Database Usage.......................................................................................... 2-4
2.2.1.2 Object-Relational Data Type Database Usage.......................................................... 2-4
2.2.1.3 Oracle XML Database (XDB) Usage........................................................................... 2-4
2.2.1.4 Enterprise Information System (EIS) Usage............................................................. 2-4
2.2.1.5 XML Usage .................................................................................................................... 2-4
2.2.2 Target Platforms................................................................................................................... 2-5
2.3 Selecting an Architecture with TopLink.................................................................................. 2-5
2.3.1 Tiers ....................................................................................................................................... 2-5
2.3.1.1 Three Tier....................................................................................................................... 2-6
2.3.1.1.1 Java EE or Non-Java EE........................................................................................ 2-6
2.3.1.1.2 Client ....................................................................................................................... 2-6
2.3.1.2 Two Tier......................................................................................................................... 2-6
2.3.2 Service Layer ........................................................................................................................ 2-7
2.3.2.1 EJB Session Beans ......................................................................................................... 2-7
2.3.2.1.1 Stateful .................................................................................................................... 2-7
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