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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Summary
As we mentioned in the introduction:
Try to use CMP whenever you can.
However, there are still situations where developers will be forced to develop BMP entity beans. Because the only meaningful difference between BMP and CMP components is who provides the persistence logic, BMPs offer quite a good deal of flexibility in developing components within the J2EE architecture, when functionality is not covered by CMP.
BMP are quite difficult and long to write. With abstractions and helper classes that we introduced in the code (environment variables from the deployment descriptor, separating the JDBC code in a persister helper class, subclassing a CMP 2.0 bean class), it is not too difficult.
Pros and cons of BMP entity beans
After seeing ...
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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.