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<small><a href="./../../index.html">Home</a>&nbsp;&raquo&nbsp;<a href="./../../examples/">Examples</a>&nbsp;&raquo&nbsp;<a href="./../../examples/injection-of-connectionfactory/">Injection Of Connectionfactory</a></small><br>
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<h1>Injection Of Connectionfactory
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<p><em>Help us document this example! Click the blue pencil icon in the upper right to edit this page.</em></p>
<h2>Messages</h2>
<pre><code>package org.superbiz.injection.jms;
import javax.annotation.Resource;
import javax.ejb.Stateless;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.DeliveryMode;
import javax.jms.JMSException;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
@Stateless
public class Messages {
@Resource
private ConnectionFactory connectionFactory;
@Resource
private Queue chatQueue;
public void sendMessage(String text) throws JMSException {
Connection connection = null;
Session session = null;
try {
connection = connectionFactory.createConnection();
connection.start();
// Create a Session
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
// Create a MessageProducer from the Session to the Topic or Queue
MessageProducer producer = session.createProducer(chatQueue);
producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
// Create a message
TextMessage message = session.createTextMessage(text);
// Tell the producer to send the message
producer.send(message);
} finally {
// Clean up
if (session != null) session.close();
if (connection != null) connection.close();
}
}
public String receiveMessage() throws JMSException {
Connection connection = null;
Session session = null;
MessageConsumer consumer = null;
try {
connection = connectionFactory.createConnection();
connection.start();
// Create a Session
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
// Create a MessageConsumer from the Session to the Topic or Queue
consumer = session.createConsumer(chatQueue);
// Wait for a message
TextMessage message = (TextMessage) consumer.receive(1000);
return message.getText();
} finally {
if (consumer != null) consumer.close();
if (session != null) session.close();
if (connection != null) connection.close();
}
}
}
</code></pre>
<h2>MessagingBeanTest</h2>
<pre><code>package org.superbiz.injection.jms;
import junit.framework.TestCase;
import javax.ejb.embeddable.EJBContainer;
import javax.naming.Context;
public class MessagingBeanTest extends TestCase {
public void test() throws Exception {
final Context context = EJBContainer.createEJBContainer().getContext();
Messages messages = (Messages) context.lookup("java:global/injection-of-connectionfactory/Messages");
messages.sendMessage("Hello World!");
messages.sendMessage("How are you?");
messages.sendMessage("Still spinning?");
assertEquals(messages.receiveMessage(), "Hello World!");
assertEquals(messages.receiveMessage(), "How are you?");
assertEquals(messages.receiveMessage(), "Still spinning?");
}
}
</code></pre>
<h1>Running</h1>
<pre><code>-------------------------------------------------------
T E S T S
-------------------------------------------------------
Running org.superbiz.injection.jms.MessagingBeanTest
Apache OpenEJB 4.0.0-beta-1 build: 20111002-04:06
http://openejb.apache.org/
INFO - openejb.home = /Users/dblevins/examples/injection-of-connectionfactory
INFO - openejb.base = /Users/dblevins/examples/injection-of-connectionfactory
INFO - Using 'javax.ejb.embeddable.EJBContainer=true'
INFO - Configuring Service(id=Default Security Service, type=SecurityService, provider-id=Default Security Service)
INFO - Configuring Service(id=Default Transaction Manager, type=TransactionManager, provider-id=Default Transaction Manager)
INFO - Found EjbModule in classpath: /Users/dblevins/examples/injection-of-connectionfactory/target/classes
INFO - Beginning load: /Users/dblevins/examples/injection-of-connectionfactory/target/classes
INFO - Configuring enterprise application: /Users/dblevins/examples/injection-of-connectionfactory
WARN - Method 'lookup' is not available for 'javax.annotation.Resource'. Probably using an older Runtime.
INFO - Configuring Service(id=Default Stateless Container, type=Container, provider-id=Default Stateless Container)
INFO - Auto-creating a container for bean Messages: Container(type=STATELESS, id=Default Stateless Container)
INFO - Configuring Service(id=Default JMS Connection Factory, type=Resource, provider-id=Default JMS Connection Factory)
INFO - Auto-creating a Resource with id 'Default JMS Connection Factory' of type 'javax.jms.ConnectionFactory for 'Messages'.
INFO - Configuring Service(id=Default JMS Resource Adapter, type=Resource, provider-id=Default JMS Resource Adapter)
INFO - Auto-linking resource-ref 'java:comp/env/org.superbiz.injection.jms.Messages/connectionFactory' in bean Messages to Resource(id=Default JMS Connection Factory)
INFO - Configuring Service(id=org.superbiz.injection.jms.Messages/chatQueue, type=Resource, provider-id=Default Queue)
INFO - Auto-creating a Resource with id 'org.superbiz.injection.jms.Messages/chatQueue' of type 'javax.jms.Queue for 'Messages'.
INFO - Auto-linking resource-env-ref 'java:comp/env/org.superbiz.injection.jms.Messages/chatQueue' in bean Messages to Resource(id=org.superbiz.injection.jms.Messages/chatQueue)
INFO - Configuring Service(id=Default Managed Container, type=Container, provider-id=Default Managed Container)
INFO - Auto-creating a container for bean org.superbiz.injection.jms.MessagingBeanTest: Container(type=MANAGED, id=Default Managed Container)
INFO - Enterprise application "/Users/dblevins/examples/injection-of-connectionfactory" loaded.
INFO - Assembling app: /Users/dblevins/examples/injection-of-connectionfactory
INFO - Jndi(name="java:global/injection-of-connectionfactory/Messages!org.superbiz.injection.jms.Messages")
INFO - Jndi(name="java:global/injection-of-connectionfactory/Messages")
INFO - Jndi(name="java:global/EjbModule1634151355/org.superbiz.injection.jms.MessagingBeanTest!org.superbiz.injection.jms.MessagingBeanTest")
INFO - Jndi(name="java:global/EjbModule1634151355/org.superbiz.injection.jms.MessagingBeanTest")
INFO - Created Ejb(deployment-id=Messages, ejb-name=Messages, container=Default Stateless Container)
INFO - Created Ejb(deployment-id=org.superbiz.injection.jms.MessagingBeanTest, ejb-name=org.superbiz.injection.jms.MessagingBeanTest, container=Default Managed Container)
INFO - Started Ejb(deployment-id=Messages, ejb-name=Messages, container=Default Stateless Container)
INFO - Started Ejb(deployment-id=org.superbiz.injection.jms.MessagingBeanTest, ejb-name=org.superbiz.injection.jms.MessagingBeanTest, container=Default Managed Container)
INFO - Deployed Application(path=/Users/dblevins/examples/injection-of-connectionfactory)
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.562 sec
Results :
Tests run: 1, Failures: 0, Errors: 0, Skipped: 0
</code></pre>
<div class="page-header">&nbsp;</div>
<h4>APIs Used</h4>
<ul><li><a href="http://docs.oracle.com/javaee/6/api/javax/annotation/Resource.html">javax.annotation.Resource</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/Stateless.html">javax.ejb.Stateless</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/ejb/embeddable/EJBContainer.html">javax.ejb.embeddable.EJBContainer</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/jms/Connection.html">javax.jms.Connection</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/jms/ConnectionFactory.html">javax.jms.ConnectionFactory</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/jms/DeliveryMode.html">javax.jms.DeliveryMode</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/jms/JMSException.html">javax.jms.JMSException</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/jms/MessageConsumer.html">javax.jms.MessageConsumer</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/jms/MessageProducer.html">javax.jms.MessageProducer</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/jms/Queue.html">javax.jms.Queue</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/jms/Session.html">javax.jms.Session</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/jms/TextMessage.html">javax.jms.TextMessage</a></li>
<li><a href="http://docs.oracle.com/javaee/6/api/javax/naming/Context.html">javax.naming.Context</a></li>
</ul>
<h3>Source</h3>
<ul>
<li>Apache <a href="http://svn.apache.org/repos/asf/tomee/tomee//examples/injection-of-connectionfactory">injection-of-connectionfactory</a></li>
<li>Github <a href="https://github.com/apache/tomee/tree//examples/injection-of-connectionfactory">injection-of-connectionfactory</a></li>
</ul>
<pre>
svn co http://svn.apache.org/repos/asf/tomee/tomee//examples/injection-of-connectionfactory
cd injection-of-connectionfactory
mvn clean install
</pre>
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