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.

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Oracle ADF 11gR2 Development Beginner's Guide
Vinod Thatheri Krishnan
Apr, 2013 | 330 pages
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Table of Contents (19 chapters)
Oracle ADF 11gR2 Development Beginner's Guide
Oracle ADF 11gR2 Development Beginner's Guide
Credits
Credits
About the Author
About the Author
About the Reviewers
About the Reviewers
www.PacktPub.com
www.PacktPub.com
Preface
Preface
Pop Quiz Answers
Pop Quiz Answers
Free Chapter
1
Installing and Configuring JDeveloper IDE
Installing and Configuring JDeveloper IDE
System requirements for Windows
Installing JDeveloper
Time for action – downloading the installer
Studio edition
Time for action – installing JDeveloper Studio Edition
Time for action – launching JDeveloper for the first time
Knowing the start-up flags/parameters
Time for action – setting the start-up options
Setting up the user directory (System directory)
Working with IDE configuration files
Knowing the roles
Getting familiar with the IDE
Knowing the IDE components
Time for action – opening the sample application
Time for action – creating a catalog
Summary
2
Getting Started with ADF
Getting Started with ADF
Model-View-Controller
Creating a simple application in ADF
Time for action – creating the application workspace
Time for action – setting up the database tables
Time for action – creating a database connection
Time for action – creating the business components
Time for action – bind data to the UI components
Time for action – running the application
Summary
3
Understanding the Model Layer
Understanding the Model Layer
ADF business components
Time for action – checking the attributes of an entity object
Time for action – creating an entity object for DEPT table
Time for action – creating an association between EmpEO and DeptEO objects
Time for action – creating an entity-based view object
Time for action – creating a view link between EmpVO and DeptVO
Time for action – creating an application module
Time for action – adding the view link to the application module
Business components in action
Time for action – running the application module
Options for the business components
Summary
4
Validating and Using the Model Data
Validating and Using the Model Data
Declarative validation
Time for action – adding a collection validator for the DeptEO file
Time for action – creating an alternate key for DeptEO
Groovy expression
Time for action – setting a default salary for employees
Time for action – adding a script expression
Learning about APIs
Time for action – generating a Java API for DeptEO
Time for action – learning to override a method
Managing transactions
Time for action – creating configurations
Exposing data
Time for action – exposing a method using the client interface
Summary
5
Binding the Data
Binding the Data
ADF model layer
Data Controls palette
Time for action – adding a Commit button to the UI page
Working with the data control layer and binding
Time for action – accessing the page definition file
Creating the bindings manually
Time for action – creating page definition bindings
Summary
6
Displaying the Data
Displaying the Data
Creating a page
Time for action – creating the page template
Time for action – creating the dept.jspx file
Layout the page display
Time for action – creating the layout for the page
Knowing the UI components
Time for action – showing a popup to the user
EL expression
Time for action – adding an EL expression
Summary
7
Working with Navigation Flows
Working with Navigation Flows
Task flows
Time for action – adding a bounded task flow to EmpDirectoryApplication
Time for action – adding a method call activity
Time for action – adding a Task Flow Return
Time for action – adding a View activity to the task flow
Time for action – passing parameters to a task flow
Time for action – adding a task flow as a region
Summary
8
Layout with Look and Feel
Layout with Look and Feel
Skinning essentials
Time for action – adding a skin file to the application
Using the skin editor
Time for action – creating an ADF skin using the skin editor IDE
Deploying skins
Time for action – deploying the skin file
Summary
9
Implementing Security
Implementing Security
Introduction to security
Time for action – implementing basic security
Applying security permissions
Time for action – adding permissions
Creating a login page
Time for action – creating a login page
Creating roles and groups
Time for action – creating roles and assignments
Disabling ADF security
Time for action – disabling security for ADF applications
Summary
10
Deploying the ADF Application
Deploying the ADF Application
ADF application deployment
Preparing for deployment
Time for action – creating the deployment profile
Deployment to the WebLogic server
Time for action – creating a default domain for integrated server
Time for action – deployment to integrated server
Time for action – deploying to the standalone server
Summary
11
Advanced Features of ADF
Advanced Features of ADF
Advanced topics on entity objects
Advanced topics on view objects
Time for action – creating a list of values of a department
Application module state management
Complex data controls
Complex task flows
Contextual events
Time for action – publishing an event and subscribing it
Complex usage of a managed bean
Debugging the application
The Metadata Services framework
The Active Data Services framework
WebLogic server configurations
Creating an extension
Time for action – creating and running an extension
Summary
Index
Index

Time for action – creating an alternate key for DeptEO

Currently, the DeptEO.xml file has Deptno as the primary key. We would add business validation that states that there should not be a way to create a duplicate of the department name that is already available. The following steps show how to create an alternate key:

  1. Go to the General section of the DeptEO.xml file and expand the Alternate Keys section. Alternate keys are keys that are not part of the primary key.

  2. Click on the little + icon to add a new alternate key.

  3. Move the Dname attribute from the Available list to the Selected list and click on the OK button.

What just happened?

We have created an alternate key against the Dname attribute to prepare for a unique check validation for the department name. When the alternate key is added to an entity object, we will see the AltKey attribute listed in the Alternate Key section of the General tab.

In the DeptEO.xml file, you will find the following code that gets added for the alternate...

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