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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Bean-managed persistence (BMP)
Bean-managed persistence (BMP) enables you to manage the persistence of your bean instead of delegating it to the container. In order to achieve this, you have to write a number of methods that are usually handled by the CMP layer of the container.
This bean has to implement the same interfaces as a CMP entity bean:
The bean class has to implement the javax.ejb.EntityBean interface. All callback methods in this interface have to be implemented.
The component interface has to extend either the javax.ejb.EJBObject or the javax.ejb.EJBLocalObject, depending on whether it is a local or a remote component interface. In this interface, you will mainly find business methods as well as accessor methods.
The home interface ...
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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.
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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.