Book Image

Oracle ADF 11gR2 Development Beginner's Guide

By : Vinod Thatheri Krishnan
Book Image

Oracle ADF 11gR2 Development Beginner's Guide

By: Vinod Thatheri Krishnan

Overview of this book

Oracle ADF is an end-to-end framework which makes application development simple by providing infrastructure services as well as visual and declarative development right away. "Oracle ADF 11gR2 Development Beginner's Guide" guides any user with programming skills to be able to quickly learn the options and ways to develop rich Internet applications using ADF 11gR2. Containing all the skills that a new user has to use to build an application in ADF 11gR2, this book is designed in such a way so that it enhances the practical feel of developing applications in ADF 11gR2. Starting with the installation and configuration of Oracle ADF 11g RD we will then work through topics such as working with the Model Layer and Model Data followed by displaying and binding the data. Later we will look at Navigations and Flows within applications as well as their layout, look, and feel. "Oracle ADF 11g R2 Development Beginner's Guide" will conclude with us looking at the security and deployment of the applications which have been created.
Table of Contents (19 chapters)
Oracle ADF 11gR2 Development Beginner's Guide
Credits
About the Author
About the Reviewers
www.PacktPub.com
Preface
Pop Quiz Answers
Index

Declarative validation


It's easy to set up declarative validation for an entity object to validate the data that is passed through the metadata file. Declarative validation is the validation added for an attribute or an entity object to fulfill a particular business validation. It is called declarative validation because we don't write any code to achieve the validation as all the business validations are achieved declaratively. The entity object holds the business rules that are defined to fulfill specific business needs such as a range check for an attribute value or to check if the attribute value provided by the user is a valid value from the list defined. The rules are incorporated to maintain a standard way to validate the data.

Knowing the lifecycle of an entity object

It is important to know the lifecycle of an entity object before knowing the validation that is applied to an entity object. The following diagram depicts the lifecycle of an entity:

When a new row is created using an...