March 2002
Intermediate to advanced
464 pages
8h 51m
English
book
Enterprise JavaBeans™ Component Architecture: Designing and Coding Enterprise Applications
by Gail Anderson, Paul Anderson
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6.2. Customer Entity Bean
Entity beans can be more difficult to understand than session beans because the EJB container does more work behind the scenes. Therefore, as we present our example Customer EJB, we'll show you the entity bean code and explain the services that the EJB container provides.
The Big Picture
Our entity bean example consists of a Customer EJB with Bean-Managed Persistence (BMP). It provides persistence for the CustomerVO data we used in the previous chapter (see Listing 5.1 on page 143). With this capability, our J2EE shopping application can now identify customers from a database (and verify a customer's password), or create a new customer. We thus provide a true “login” process. The CustomerVO object includes a customer's ...
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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.