Borland® JBuilder™ Developer’s Guide

Chapter 22. Developing Session Beans

IN THIS CHAPTER

• Session Bean in Detail

• Writing a Client

• Writing a Session Bean

• Design Guidelines

Session Beans are large-grained objects that implement high-level services such as shopping carts, order management systems, and content management systems. Sessions Beans are normally never used alone but are combined with Entity Beans. The Session Bean typically performs processing in conjunction with many Entity Beans. For example, an Order Entry Session Bean would invoke behaviors of Customer, Order, and Product Entity Beans. Without Entity Beans, a Session Bean would itself implement all the business and data access logic that would otherwise reside in the Entity Beans.

NOTE

A Session Bean does not have the ...