6 Creating a Business Domain Layer Using Entity Objects

This chapter describes how to use entity objects to create a reusable layer of business domain objects for use in your J2EE applications.

This chapter includes the following sections:

• Section 6.1, "Introduction to Entity Objects"

• Section 6.2, "Creating Entity Objects and Associations"

• Section 6.3, "Creating and Configuring Associations"

• Section 6.4, "Creating an Entity Diagram for Your Business Layer"

• Section 6.5, "Defining Attribute Control Hints"

• Section 6.6, "Configuring Declarative Runtime Behavior"

• Section 6.7, "Using Declarative Validation Rules"

• Section 6.8, "Working Programmatically with Entity Objects and Associations"

• Section 6.9, "Generating Custom Java Classes for an Entity Object"

• Section 6.10, "Adding Transient and Calculated Attributes to an Entity Object"