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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5.1. Introducing Stateful Session Beans
A stateful session bean keeps track of client-specific data over the course of a session. The client-related data is stored in instance variables of the stateful session bean. The lifetime of the bean corresponds to one client's session and its state reflects the work performed throughout the session. The session bean keeps track of the conversational state between the client and the bean. Throughout its lifetime, the EJB container assigns an instance of a stateful session bean to a single client. The state of any given instance is dependent on how the client creates the bean and the invocation of its business methods. When the session terminates, the bean's state is released and the bean's instance no ...
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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.