June 2004
Intermediate to advanced
792 pages
23h 17m
English
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Chapter 26. Exercises for Chapter 8
Exercise 8.1: Simple EJB QL Statements
The exercises in this section reveal some of the basic aspects of
EJB QL programming and
functionality. You’ll explore
basic finder methods,
ejbSelect
methods, and the use of the
IN
operation in EJB QL queries.
Start Up JBoss
If you already have JBoss running, there is no reason to restart it.
Build and Deploy the Example Programs
Perform the following steps:
Open a command prompt or shell terminal and change to the
ex08_1directory created by the extraction processSet the
JAVA_HOMEandJBOSS_HOMEenvironment variables to point to where your JDK and JBoss 4.0 are installed. Examples:Windows: C:\workbook\ex08_1> set JAVA_HOME=C:\jdk1.4.2 C:\workbook\ex08_1> set JBOSS_HOME=C:\jboss-4.0Unix: $ export JAVA_HOME=/usr/local/jdk1.4.2 $ export JBOSS_HOME=/usr/local/jboss-4.0Add
antto your execution path.Windows: C:\workbook\ex08_1> set PATH=..\ant\bin;%PATH%Unix: $ export PATH=../ant/bin:$PATHPerform the build by typing
ant.
As in the last exercise, you will see titan.jar
rebuilt, copied to the JBoss deploy directory,
and redeployed by the application server.
Examine the JBoss-Specific Files
This exercise introduces no new features in JBoss-specific files. If you think you need to, review Exercise 6.1 of this workbook to understand the JBoss-specific files in this example.
Initialize the Database
The database tables for this exercise will automatically be created in JBoss’s default database, HypersonicSQL, when the EJB ...
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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.