Understanding Session Beans; Deployment Descriptor - Red Hat APPLICATION SERVER - JONAS Tutorial

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1. As , start the Red Hat Application Server server with the following command:
root
/sbin/service jonas start
2. Start the Java Client:
jclient sb.ClientOp
A successful run should output:
Create a bean
Start a first transaction
First request on the new bean
Second request on the bean
Commit the transaction
Start a second transaction
Rollback the transaction
Request outside any transaction
ClientOp OK. Exiting.
Congratulations! You have succeeded running your first EJB application with JOnAS!
3. Stop the JOnAS server:
/sbin/service jonas stop

5.4. Understanding Session Beans

Here is a description of the files that reside in the
• ClientOp.java
is the JOnAS specific part of the deployment descriptor.
• jonas-sb.xml
contains the bean implementation code.
•
OpBean.java
contains the home interface of the bean.
•
OpHome.java
contains the remote interface of the bean.
• Op.java
is the standard part of the deployment descriptor.
• sb.xml

5.5. Deployment Descriptor

Here is the standard
sb.xml
?xml version="1.0" encoding="ISO-8859-1"?
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!DOCTYPE ejb-jar PUBLIC "-//Sun Microsystems,
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Inc.//DTD Enterprise JavaBeans 2.0//EN"
"http://java.sun.com/dtd/ejb-jar_2_0.dtd"
ejb-jar
¡
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description
¡
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sb JOnAS example
display-name
¡
enterprise-beans
¡
session
¡
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ejb-name
¡
home sb.OpHome
¡
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remote sb.Op
¡
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ejb-class
¡
session-type
¡
transaction-type
¡
env-entry
¡
env-entry-name
¡
is the Java client that accesses the JOnAS server.
deployment descriptor:
Deployment descriptor for the
/description
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sb example /display-name
¡
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Op /ejb-name
¡
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/home
¡
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/remote
¡
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sb.OpBean /ejb-class
¡
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Stateful /session-type
¡
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Container
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prop1
¡
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$JONAS_ROOT/examples/src/sb
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/transaction-type
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/env-entry-name
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Chapter 5. Session Beans
directory:
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