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  • Book Overview & Buying Oracle ADF Real World Developer's Guide
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Oracle ADF Real World Developer's Guide

Oracle ADF Real World Developer's Guide

By : Jobinesh Purushothaman
4.5 (12)
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Oracle ADF Real World Developer's Guide

Oracle ADF Real World Developer's Guide

4.5 (12)
By: Jobinesh Purushothaman

Overview of this book

Oracle ADF in combination with JDeveloper IDE offers visual and declarative approaches to enterprise application development. This book will teach you to build scalable rich enterprise applications using the ADF Framework, with the help of many real world examples. Oracle ADF is a powerful application framework for building next generation enterprise applications. The book is a practical guide for the ADF framework and discusses how to use Oracle ADF for building rich enterprise applications. "Oracle ADF Real World Developer's Guide" discusses ADF framework in detail. This book contains a lot of real life examples which will help developers to design and develop successful enterprise applications. This book starts off by introducing the development environment and JDeveloper design time features. As you read forward, you will learn to build a full stack enterprise application using ADF. You will learn how to build business services using ADF, enable validation for the data model, declaratively build user interfaces for business service and enable security across application layers.
Table of Contents (20 chapters)
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Oracle ADF Real World Developer's Guide
Oracle ADF Real World Developer's Guide
Credits
Credits
About the Author
About the Author
Acknowledgement
Acknowledgement
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Free Chapter
1
Getting Started with Oracle ADF
Getting Started with Oracle ADF
Introduction to Oracle ADF
Why Oracle ADF?
Oracle ADF architecture
Comparing the Fusion web application technology stack to the Java EE web application
Developing with ADF
Your first Fusion web application
Summary
2
Introduction to ADF Business Components
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Introduction to ADF Business Components
Business service layer
Overview of ADF Business Components
Building a simple business service
Oracle ADF Model Tester
Using the ADF Model Tester to test the CRUD operations on business data
Java test client for ADF Business Components
Understanding the runtime behavior of ADF Business Components
Summary
3
Introducing Entity Object
Introducing Entity Object
Introduction
Ingredients of an entity object
Core features of ADF entity objects
Developing entity objects
Working with entity objects
Summary
4
Introducing View Object
Introducing View Object
Introduction
Concepts and architecture
Core features of ADF view objects
Developing view objects
Working with view objects
Summary
5
Advanced Concepts on Entity Objects and View Objects
Advanced Concepts on Entity Objects and View Objects
Taking a closer look at entity objects
Taking a closer look at view objects
Advanced data type techniques
Building business components dynamically
Summary
6
Introducing the Application Module
Introducing the Application Module
Introduction
Concepts and architecture
The core features of an application module
Defining an application module
Sharing of application module data
Nesting application modules
Working with an application module
Summary
7
Binding Business Services with the User Interface
Binding Business Services with the User Interface
Introduction
Binding model data with user interfaces
Building a simple data bound web page
Is a view object really a data collection?
What happens when we drop a data collection on a page?
Browsing through the page definition file
What happens when you access a Fusion web page?
Invoking an application module from a Java servlet
Adding custom phase listeners
Summary
8
Building Data Bound Web User Interfaces
Building Data Bound Web User Interfaces
Introduction
The art of laying out pages
Adding actions to your page
Building data bound table UIs
Building data bound master-detail UIs
Building a data bound tree table UI
Accessing web tier values from business components
Building data bound query search forms
Building a data bound multi select list
Overriding UI hints in a view object
Summary
9
Controlling the Page Navigation
Controlling the Page Navigation
Introduction
The navigation model in the JSF framework
The navigation model in ADF
The ingredients of an ADF task flow
Building an unbounded task flow
Adding an exception handler
Using method call activity to initialize a page
Building a menu model
Summary
10
Taking a Closer Look at the Bounded Task Flow
Taking a Closer Look at the Bounded Task Flow
Introduction
The properties of a bounded task flow
Building a bounded task flow
Working with bounded task flow activities
Parameterizing a bounded task flow
Consuming bounded task flows as ADF regions
Lazy loading of an ADF region
Refreshing an ADF region
Displaying task flows using a pop up component
Using a contextual event for communicating to an ADF region
Dynamically adding multiple regions to a page
Distributing ADF task flow as the ADF library
Using a train component in a bounded task flow
Transaction management in a bounded task flow
The life span of a bounded task flow
Summary
11
More on Validations and Error Handling
More on Validations and Error Handling
Introduction
Adding validation rules in a fusion web application
Displaying validation exceptions on a page
Where in the page lifecycle does validation occur?
Error handling in ADF
Programmatically throwing validation exceptions in business components
Customizing default business component error messages
Skipping validation
Summary
12
Oracle ADF Best Practices
Oracle ADF Best Practices
Introduction
Setting up the project structure for your Fusion web application
The life span of ADF Business Components
The best practices and performance tuning for Oracle ADF
Internationalization of Fusion web applications
Ensuring high availability for Fusion web applications
Summary
Index
Index

Business service layer

Business logic for an application resides in the area between the UI layer and datasource, fulfilling the requests from the client by interacting with the datasource or other third-party services. A well designed application may have multiple layered structures for business service implementation, where each layer plays a unique role by improving the extensibility of the entire architecture. Let us take a quick look at the various layers found in a multilayered business service implementation:

  • Service layer : This layer defines the service contracts to be used by a client. The Service layer receives the message sent from the client and delegates it to the appropriate business logic implementation for further processing. The advantage of having a service layer is that it decouples the implementation of services from the service contract, which makes an application more flexible and extensible.

  • Business logic layer : This layer defines the business logic that is required...

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