Book Image

Oracle ADF Real World Developer's Guide

By : Jobinesh Purushothaman
Book Image

Oracle ADF Real World Developer's Guide

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)
Oracle ADF Real World Developer's Guide
Credits
About the Author
Acknowledgement
About the Reviewers
www.PacktPub.com
Preface
Index

Working with entity objects


We have covered the basic lessons on entity objects in earlier sections of this chapter. It is time for us to put all the pieces together to understand the working of entity objects.

Programmatically creating an entity instance

The following example will help you to understand the create functionality on an entity object. This example assumes that you have already generated an entity object from the EMPLOYEES table and also generated Java classes for the entity object and entity definition. In this example, we create an instance of an employee entity object, populate the attribute values, and finally post the changes to the database by committing the transaction. This method is defined in the application module implementation class.

//Application Module

public class HRServiceAppModuleImpl extends ApplicationModuleImpl implements HRServiceAppModule {

public EmployeeEOImpl createEmployee() {
  //Get the EmployeeEODefImpl which is the 
  //java repsentstaion of EmployeeEO...