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Enterprise JavaBeans™ Component Architecture: Designing and Coding Enterprise Applications by Paul Anderson, Gail Anderson

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3.1. Introducing Stateless Session Beans

A stateless session bean allows multiple clients to share a single instance. Clients may issue multiple requests to a stateless bean, but the bean does not keep track of any client-specific data.

What sorts of tasks can a stateless session bean perform on a client's behalf? A session bean (stateful or stateless) generally implements a business process. A business process is a series of tasks that conforms to a set of rules for a business enterprise. The session bean's job is to fulfill these steps and to make sure the process conforms to the rules. For example, a session bean may access a database in a read-only mode to supply certain information, such as items in a catalog. Or, the session bean could ...

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