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| <h1>Simple MDB with Descriptor |
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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>ChatBean</h2> |
| |
| <pre><code>package org.superbiz.mdbdesc; |
| |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.DeliveryMode; |
| import javax.jms.JMSException; |
| import javax.jms.Message; |
| import javax.jms.MessageListener; |
| import javax.jms.MessageProducer; |
| import javax.jms.Queue; |
| import javax.jms.Session; |
| import javax.jms.TextMessage; |
| |
| public class ChatBean implements MessageListener { |
| |
| private ConnectionFactory connectionFactory; |
| |
| private Queue answerQueue; |
| |
| public void onMessage(Message message) { |
| try { |
| |
| final TextMessage textMessage = (TextMessage) message; |
| final String question = textMessage.getText(); |
| |
| if ("Hello World!".equals(question)) { |
| |
| respond("Hello, Test Case!"); |
| } else if ("How are you?".equals(question)) { |
| |
| respond("I'm doing well."); |
| } else if ("Still spinning?".equals(question)) { |
| |
| respond("Once every day, as usual."); |
| } |
| } catch (JMSException e) { |
| throw new IllegalStateException(e); |
| } |
| } |
| |
| private void respond(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(answerQueue); |
| 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(); |
| } |
| } |
| } |
| </code></pre> |
| |
| <h2>ejb-jar.xml</h2> |
| |
| <pre><code><ejb-jar xmlns="http://java.sun.com/xml/ns/javaee" metadata-complete="true"> |
| <enterprise-beans> |
| |
| <message-driven> |
| |
| <ejb-name>ChatBean</ejb-name> |
| <ejb-class>org.superbiz.mdbdesc.ChatBean</ejb-class> |
| |
| <messaging-type>javax.jms.MessageListener</messaging-type> |
| |
| <activation-config> |
| <activation-config-property> |
| <activation-config-property-name>destination</activation-config-property-name> |
| <activation-config-property-value>ChatBean</activation-config-property-value> |
| </activation-config-property> |
| <activation-config-property> |
| <activation-config-property-name>destinationType</activation-config-property-name> |
| <activation-config-property-value>javax.jms.Queue</activation-config-property-value> |
| </activation-config-property> |
| </activation-config> |
| |
| <resource-ref> |
| <res-ref-name>java:comp/env/org.superbiz.mdbdesc.ChatBean/connectionFactory</res-ref-name> |
| <res-type>javax.jms.ConnectionFactory</res-type> |
| <injection-target> |
| <injection-target-class>org.superbiz.mdbdesc.ChatBean</injection-target-class> |
| <injection-target-name>connectionFactory</injection-target-name> |
| </injection-target> |
| </resource-ref> |
| |
| <resource-env-ref> |
| <resource-env-ref-name>java:comp/env/AnswerQueue</resource-env-ref-name> |
| <resource-env-ref-type>javax.jms.Queue</resource-env-ref-type> |
| <mapped-name>AnswerQueue</mapped-name> |
| <injection-target> |
| <injection-target-class>org.superbiz.mdbdesc.ChatBean</injection-target-class> |
| <injection-target-name>answerQueue</injection-target-name> |
| </injection-target> |
| </resource-env-ref> |
| |
| </message-driven> |
| |
| </enterprise-beans> |
| </ejb-jar> |
| </code></pre> |
| |
| <h2>ChatBeanTest</h2> |
| |
| <pre><code>package org.superbiz.mdb; |
| |
| import junit.framework.TestCase; |
| |
| import javax.annotation.Resource; |
| import javax.ejb.embeddable.EJBContainer; |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.JMSException; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Queue; |
| import javax.jms.Session; |
| import javax.jms.TextMessage; |
| |
| public class ChatBeanTest extends TestCase { |
| |
| @Resource |
| private ConnectionFactory connectionFactory; |
| |
| @Resource(name = "ChatBean") |
| private Queue questionQueue; |
| |
| @Resource(name = "AnswerQueue") |
| private Queue answerQueue; |
| |
| public void test() throws Exception { |
| |
| EJBContainer.createEJBContainer().getContext().bind("inject", this); |
| |
| final Connection connection = connectionFactory.createConnection(); |
| |
| connection.start(); |
| |
| final Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| |
| final MessageProducer questions = session.createProducer(questionQueue); |
| |
| final MessageConsumer answers = session.createConsumer(answerQueue); |
| |
| |
| sendText("Hello World!", questions, session); |
| |
| assertEquals("Hello, Test Case!", receiveText(answers)); |
| |
| |
| sendText("How are you?", questions, session); |
| |
| assertEquals("I'm doing well.", receiveText(answers)); |
| |
| |
| sendText("Still spinning?", questions, session); |
| |
| assertEquals("Once every day, as usual.", receiveText(answers)); |
| } |
| |
| private void sendText(String text, MessageProducer questions, Session session) throws JMSException { |
| |
| questions.send(session.createTextMessage(text)); |
| } |
| |
| private String receiveText(MessageConsumer answers) throws JMSException { |
| |
| return ((TextMessage) answers.receive(1000)).getText(); |
| } |
| } |
| </code></pre> |
| |
| <h1>Running</h1> |
| |
| <pre><code>------------------------------------------------------- |
| T E S T S |
| ------------------------------------------------------- |
| Running org.superbiz.mdb.ChatBeanTest |
| Apache OpenEJB 4.0.0-beta-1 build: 20111002-04:06 |
| http://tomee.apache.org/ |
| INFO - openejb.home = /Users/dblevins/examples/simple-mdb-with-descriptor |
| INFO - openejb.base = /Users/dblevins/examples/simple-mdb-with-descriptor |
| 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/simple-mdb-with-descriptor/target/classes |
| INFO - Beginning load: /Users/dblevins/examples/simple-mdb-with-descriptor/target/classes |
| INFO - Configuring enterprise application: /Users/dblevins/examples/simple-mdb-with-descriptor |
| WARN - Method 'lookup' is not available for 'javax.annotation.Resource'. Probably using an older Runtime. |
| INFO - Configuring Service(id=Default MDB Container, type=Container, provider-id=Default MDB Container) |
| INFO - Auto-creating a container for bean ChatBean: Container(type=MESSAGE, id=Default MDB Container) |
| INFO - Configuring Service(id=Default JMS Resource Adapter, type=Resource, provider-id=Default JMS Resource Adapter) |
| 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 'ChatBean'. |
| INFO - Auto-linking resource-ref 'java:comp/env/org.superbiz.mdbdesc.ChatBean/connectionFactory' in bean ChatBean to Resource(id=Default JMS Connection Factory) |
| INFO - Configuring Service(id=AnswerQueue, type=Resource, provider-id=Default Queue) |
| INFO - Auto-creating a Resource with id 'AnswerQueue' of type 'javax.jms.Queue for 'ChatBean'. |
| INFO - Auto-linking resource-env-ref 'java:comp/env/AnswerQueue' in bean ChatBean to Resource(id=AnswerQueue) |
| INFO - Configuring Service(id=ChatBean, type=Resource, provider-id=Default Queue) |
| INFO - Auto-creating a Resource with id 'ChatBean' of type 'javax.jms.Queue for 'ChatBean'. |
| INFO - Configuring Service(id=Default Managed Container, type=Container, provider-id=Default Managed Container) |
| INFO - Auto-creating a container for bean org.superbiz.mdb.ChatBeanTest: Container(type=MANAGED, id=Default Managed Container) |
| INFO - Auto-linking resource-ref 'java:comp/env/org.superbiz.mdb.ChatBeanTest/connectionFactory' in bean org.superbiz.mdb.ChatBeanTest to Resource(id=Default JMS Connection Factory) |
| INFO - Auto-linking resource-env-ref 'java:comp/env/AnswerQueue' in bean org.superbiz.mdb.ChatBeanTest to Resource(id=AnswerQueue) |
| INFO - Auto-linking resource-env-ref 'java:comp/env/ChatBean' in bean org.superbiz.mdb.ChatBeanTest to Resource(id=ChatBean) |
| INFO - Enterprise application "/Users/dblevins/examples/simple-mdb-with-descriptor" loaded. |
| INFO - Assembling app: /Users/dblevins/examples/simple-mdb-with-descriptor |
| INFO - Jndi(name="java:global/EjbModule1842275169/org.superbiz.mdb.ChatBeanTest!org.superbiz.mdb.ChatBeanTest") |
| INFO - Jndi(name="java:global/EjbModule1842275169/org.superbiz.mdb.ChatBeanTest") |
| INFO - Created Ejb(deployment-id=org.superbiz.mdb.ChatBeanTest, ejb-name=org.superbiz.mdb.ChatBeanTest, container=Default Managed Container) |
| INFO - Created Ejb(deployment-id=ChatBean, ejb-name=ChatBean, container=Default MDB Container) |
| INFO - Started Ejb(deployment-id=org.superbiz.mdb.ChatBeanTest, ejb-name=org.superbiz.mdb.ChatBeanTest, container=Default Managed Container) |
| INFO - Started Ejb(deployment-id=ChatBean, ejb-name=ChatBean, container=Default MDB Container) |
| INFO - Deployed Application(path=/Users/dblevins/examples/simple-mdb-with-descriptor) |
| Tests run: 1, Failures: 0, Errors: 0, Skipped: 0, Time elapsed: 1.914 sec |
| |
| Results : |
| |
| Tests run: 1, Failures: 0, Errors: 0, Skipped: 0 |
| </code></pre> |
| |
| |
| <div class="page-header"> </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/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/Message.html">javax.jms.Message</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/MessageListener.html">javax.jms.MessageListener</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> |
| </ul> |
| |
| <h3>Source</h3> |
| <ul> |
| <li>Apache <a href="http://svn.apache.org/repos/asf/tomee/tomee/trunk/examples/simple-mdb-with-descriptor">simple-mdb-with-descriptor</a></li> |
| <li>Github <a href="https://github.com/apache/tomee/tree/trunk/examples/simple-mdb-with-descriptor">simple-mdb-with-descriptor</a></li> |
| </ul> |
| <pre> |
| svn co http://svn.apache.org/repos/asf/tomee/tomee/trunk/examples/simple-mdb-with-descriptor |
| cd simple-mdb-with-descriptor |
| mvn clean install |
| </pre> |
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