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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Client types
There are several different types of clients that access EJBs in a WebSphere Application Server Version 5 and the J2EE programming environment.
Session beans
A session bean can be looked at as being a client of the entity beans it accesses. In most cases these beans run in the same EJB container and can use local interfaces.
Servlets
Servlets can interact with EJBs through remote or local interfaces. A suggested approach is that servlets only interact with session beans, and the session beans interact with entity beans. To access session beans, the servlet can use either remote or local interfaces; for portability, remote interfaces are suggested.
The servlet is a typical thin-client implementation where the user front end is ...
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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.