Oracle JDeveloper 11gR2 Cookbook

Chapter 2. Dealing with Basics: Entity Objects

In this chapter, we will cover:

• Using a custom property to populate a sequence attribute
• Overriding doDML() to populate an attribute with a gapless sequence
• Creating and applying property sets
• Using getPostedAttribute() to determine the posted attribute's value
• Overriding remove() to delete associated child entities
• Overriding remove() to delete a parent entity in an association
• Using a method validator based on a view object accessor
• Using Groovy expressions to resolve validation error message tokens
• Using doDML() to enforce a detail record for a new master record

Introduction

Entity objects are the basic building blocks in the chain of business components. They represent a single ...