March 2002
Intermediate to advanced
464 pages
8h 51m
English
book
Enterprise JavaBeans™ Component Architecture: Designing and Coding Enterprise Applications
by Gail Anderson, Paul 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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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.