EJB™ 2.1 Kick Start

Chapter 4. Complex Entity Beans and Local Objects

IN THIS CHAPTER

• Implementing Local Entity Beans

• Complex Entity Bean Relationships

• Implementing and Deploying ShoppingCart

Book is a relatively simple Entity Bean. It lacks any methods other than simple getters and setters, and the data that it wraps is of relatively simple types, such as int and String. The good news is that, at least in my experience, over the past several years, almost all Entity Beans are of the simple nature exemplified by Book. The bad news is that implementing and deploying Entity Beans containing anything other than the simplest getter/setter functionality markedly increases the burden placed on you, the EJB developer.

Several facets of a Bean’s design add to the complexity of ...