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Enterprise JavaBeans, Fourth Edition
book

Enterprise JavaBeans, Fourth Edition

by Sacha Labourey, Bill Burke, Richard Monson-Haefel
June 2004
Intermediate to advanced content levelIntermediate to advanced
792 pages
23h 17m
English
O'Reilly Media, Inc.
Content preview from Enterprise JavaBeans, Fourth Edition

Exercise 6.2: Dependent Value Classes in CMP 2.0

The example programs in Exercise 6.2 explore using a dependent value class to combine multiple CMP fields into a single serializable object that can be passed in and out of entity-bean methods.

Start Up JBoss

If you already have JBoss running, there is no reason to restart it.

Initialize the Database

No database initialization is needed.

Build and Deploy the Example Programs

Perform the following steps:

  1. Open a command prompt or shell terminal and change to the ex06_2 directory created by the extraction process

  2. Set the JAVA_HOME and JBOSS_HOME environment variables to point to where your JDK and JBoss 4.0 are installed. Examples:

    Windows: C:\workbook\ex06_2> set JAVA_HOME=C:\jdk1.4.2 C:\workbook\ex06_2> set JBOSS_HOME=C:\jboss-4.0
    Unix: $ export JAVA_HOME=/usr/local/jdk1.4.2 $ export JBOSS_HOME=/usr/local/jboss-4.0
  3. Add ant to your execution path.

Windows: C:\workbook\ex06_2> set PATH=..\ant\bin;%PATH%
Unix: $ export PATH=../ant/bin:$PATH

Perform 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

There are no new JBoss configuration files or components in this exercise.

Examine and Run the Client Applications

The example program, Client_62, shows how the Name dependent value class is used with the Customer EJB. The example code is pulled directly from the EJB book and embellished somewhat to expand on introduced ...

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Publisher Resources

ISBN: 059600530XSupplemental ContentCatalog PageErrata