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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Developing custom finders
In this section, we develop custom finders for the banking model with Application Developer. For the basics of finder methods, read “EJB custom query methods” on page 140.
Here is a short recapitulation:
There are two kind of methods: finder methods in the home interface and select methods in the bean class.
These methods can be mapped to EJB query language.
EJB QL statements are specified in the deployment descriptor.
SQL statements are generated from EJB QL into deployed classes.
The process of defining custom finder methods is very simple:
- Open the deployment descriptor editor and select an entity bean.
- Create a new finder method and specify the method name and signature (parameters), and select the local or remote 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.
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.