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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Main EJB framework components
There are six main framework components of EJB technology (Figure 2-1):
Figure 2-1. Main EJB framework components
EJB server— Provides the actual primary services to all EJBs. An EJB server may host one or more EJB containers. It is also called generically an Enterprise Java Server (EJS). WebSphere Application Server is an EJS.
EJB container— Provides the runtime environment for the enterprise bean instances, and is the intermediary between the EJB component and the server.
EJB component— These represent the actual EJBs themselves. There are three types of enterprise beans: entity, session, and message-driven beans. ...
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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.