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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What are access beans?
Access beans are Java components that adhere to the JavaBeans specification and are meant to simplify the development of EJB clients. An access bean adapts an enterprise bean to the JavaBean programming model by hiding the home and remote interfaces from the developer. They provide fast access to enterprise beans by letting you maintain a local cache of enterprise bean attributes. Access beans make it possible to use an enterprise bean in much the same way that you would use a JavaBean.
There are four types of access beans:
EJB factory
Data class (for an entity bean)
JavaBean wrapper (for a session or entity bean)
Copy helper (for an entity bean)
Important
if you are migrating from VisualAge for Java, you will notice that ...
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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.