Enterprise JavaBeans™ Component Architecture: Designing and Coding Enterprise Applications

Chapter 5. Stateful Session Beans

Topics in This Chapter

• Introducing Stateful Session Beans

• Implications of Stateful vs. Stateless EJBs

• Leveraging your EJB Components

• Extending Multiple Interfaces

• Value List Iterator Pattern

• Example with a JSP Client

• Local Interfaces

In the previous two chapters, we explored the design of stateless session beans. The most important characteristic of a stateless session bean is that it does not retain client-specific data. Thus, multiple clients can share stateless session beans, providing performance benefits. Stateless session beans also provide important business processes, but the results are transient, even during a session. Although a method of a stateless session bean could keep track of client-specific data, ...