EJB 3 in Action

Chapter 3. Building business logic with session beans

This chapter covers

• Development of stateless and stateful session beans
• Session bean lifecycle
• Session bean clients
• Session bean performance considerations and best practices

At the heart of any enterprise application lies its business logic. In an ideal world, application developers should only be concerned with defining and implementing the business logic, while concerns like presentation, persistence, or integration should largely be window dressing. From this perspective, session beans are the most important part of the EJB technology because their purpose in life is to model high-level business processes.

If you think of a business system as a horse-drawn chariot with a driver ...