April 2003
Intermediate to advanced
750 pages
16h 53m
English
book
EJB 2.0 Development with WebSphere Studio Application Developer
by Ueli Wahli, Wouter Denayer, Lars Schunk, Deborah Shaddon, Martin Weiss
Content preview from EJB 2.0 Development with WebSphere Studio Application Developer
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Design
We develop a stateless session bean (Banking) to serve as session facade for the ITSO bank business logic. This bean exposes several methods that allow a client to perform banking transactions, such as asking for the balance, depositing and withdrawing funds, transfering funds from one account to another, and listing the transaction records.
We also develop a stateful session bean (Reports) for reporting purposes. This bean enables a client to run multiple reports without losing the context, that is the customer and account numbers. This bean uses EQB-QL queries to retrieve customer and account information.
Throughout the book, several clients will use these session beans:
Servlet client—“Developing a servlet client” on page 590
Struts ...
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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.