EJB and JDO
Session EJB Facade to JDO Objects
| Note |
| To
work with any of these samples, you will need the
following: .........................................JDK 1.2 or higher (I use JDK 1.3.1) .........................................PE:JTM - The Productivity Environment for JavaTM (from HYWY Software Corporation) .........................................BEA Weblogic 7.0 (beta) J2EE Compliant Application Server |
| Note: This article assumes that the reader has already created the simple bank project using PE:J and JDO. |
Before you start off, create a jar file of all the files in the enhanced folder, name the jar file bank.jar and place it in the enhanced folder (for me the enhanced folder is C:\run\projects\bank\enhanced\). My bank.jar contains all the .class, .jdo, and .map files present in the C:\run\projects\bank\enhanced\com\hywy\samples\bank\ folder.
| Session EJB Facade to JDO Objects |
| Teller.java |
| TellerHome.java |
| TellerBean.java |
| Client.java |
| build.xml |
| application.xml |
| ejb-jar.xml |
| weblogic-ejb-jar.xml |
Build the Sample Application.
| Command Prompt |
|
C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless>ant Buildfile: build.xml clean: [delete] Deleting directory C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\build [delete] Deleting directory C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\dist init: [mkdir] Created dir: C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\build [mkdir] Created dir: C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\build\META-INF [mkdir] Created dir: C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\dist [copy] Copying 2 files to C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\build\META-INF compile_ejb: [javac] Compiling 3 source files to C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\build [mkdir] Created dir: C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\build\com\hywy\samples\bank [copy] Copying 10 files to C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\build\com\hywy\samples\bank jar_ejb: [jar] Building jar: C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless\dist\teller_session.jar ejbc: [java] <Jun 2, 2002 2:02:48 PM EDT> <Warning> <EJB> <010054> <EJB Deployment: Teller has a class com.hywy.samples.ejb20.session.stateless.TellerHome which is in the classpath. This class should only be located in the ejb-jar file.> [java] <Jun 2, 2002 2:02:48 PM EDT> <Warning> <EJB> <010054> <EJB Deployment: Teller has a class com.hywy.samples.ejb20.session.stateless.Teller whi ch is in the classpath. This class should only be located in the ejb-jar file.> [java] ejbc successful. ear_app: [ear] Building ear: C:\bea\weblogic700b\samples\server\config\examples\applications\teller_session.ear compile_webapp: [javac] Compiling 2 source files to C:\bea\weblogic700b\samples\server\config\examples\applications\examplesWebApp\WEB-INF\classes compile_client: [javac] Compiling 3 source files to C:\bea\weblogic700b\samples\server\config\examples\clientclasses all: BUILD SUCCESSFUL Total time: 8 seconds C:\run\projects\bank\enhanced\com\hywy\samples\ejb20\session\stateless> |
Before moving on,
On my system, all my projects are placed in a user directory named "run" which is created off the C: drive. My PE:J product is installed off my C: drive. My BEA Weblogic Application Server is installed off the C: drive. You may have make appropriate modifications based on your installation environment.
Copy the \.pej\ folder from C:\run\projects\bank\bank_ObjectEditor\ to the C:\bea\weblogic700b\samples\server\config\examples\ folder. You will also have to copy the system.properties file from the C:\PEJ\.pej\ folder to the C:\bea\weblogic700b\samples\server\config\examples\.pej\ folder.
Run the Sample Application.
Before running the client, make sure the Application Server is up and running. I had to modify the Weblogic startup script to add the pej.jar and the bank.jar files to the Application Server's CLASSPATH. The modified Examples Server batch file is available here. You may have to modify it based on your environment.
| Command Prompt |
|
C:\bea\weblogic700b\samples\server\config\examples\clientclasses> C:\bea\weblogic700b\samples\server\config\examples\clientclasses>%JAVA_HOME%/bin/java -classpath .;C:/PEJ/lib/j2ee.jar;C:\bea\weblogic700b\server\lib\weblogic.jar;C:\PEJ\lib\pej.jar com.hywy.samples.ejb20.session.stateless.Client "t3://localhost:7001/TellerHome" Beginning stateless.Client... Creating a Teller Create Checking Account for Gopalan Suresh Raj Create Checking Account for Athul Suresh Raj Create Savings Account for Gopalan Suresh Raj Create Savings Account for Athul Suresh Raj The size of checkingAccountList is :4 _______________________________________ List of Checking Accounts _______________________________________ Checking Account Number :9345903153152 Checking Account Number :9483342106624 Checking Account Number :9620781060096 Checking Account Number :9758220013568 _______________________________________ The size of savingsAccountList is :4 _______________________________________ List of Savings Accounts _______________________________________ Savings Account Number :9345886375936 Savings Account Number :9483325329408 Savings Account Number :9620764282880 Savings Account Number :9758203236352 _______________________________________ Delete Checking Account Number :9345903153152 The size of checkingAccountList is now :3 Delete Savings Account Number :9345886375936 The size of savingsAccountList is now :3 Transfer Money - 100 from Checking Account :9483342106624 to Savings Account :9483325329408 The Money Transfer was a SUCCESS Removing the teller End stateless.Client... C:\bea\weblogic700b\samples\server\config\examples\clientclasses> |
Download
You can download the entire enhanced folder from here.
click here to go to
My JDO
HomePage...
click here to go
to
My
Advanced Java Tutorial Page...
| About the Author... |
| Gopalan Suresh Raj is a Software Architect, Developer and an active Author. He has co-authored a number of books including "Professional JMS", "Enterprise Java Computing-Applications and Architecture" and "The Awesome Power of JavaBeans". His expertise spans enterprise component architectures and distributed object computing. Visit him at his Web Cornucopia© site (https://gsraj.tripod.com/) or mail him at gopalan@gmx.net. |
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This site was developed and is maintained by Gopalan Suresh Raj This page has been visited |
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Last Updated : Feb 26, 2002 |
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