[jboss-cvs] JBoss Messaging SVN: r6302 - in trunk/examples/jms/topic-selector: src/org/jboss/jms/example and 1 other directory.
jboss-cvs-commits at lists.jboss.org
jboss-cvs-commits at lists.jboss.org
Fri Apr 3 11:53:41 EDT 2009
Author: clebert.suconic at jboss.com
Date: 2009-04-03 11:53:41 -0400 (Fri, 03 Apr 2009)
New Revision: 6302
Added:
trunk/examples/jms/topic-selector/src/org/jboss/jms/example/TopicSelectorExample.java
Removed:
trunk/examples/jms/topic-selector/src/org/jboss/jms/example/TopicSelector.java
Modified:
trunk/examples/jms/topic-selector/readme.html
Log:
Renaming test and adding initialContext.close()
Modified: trunk/examples/jms/topic-selector/readme.html
===================================================================
--- trunk/examples/jms/topic-selector/readme.html 2009-04-03 14:52:48 UTC (rev 6301)
+++ trunk/examples/jms/topic-selector/readme.html 2009-04-03 15:53:41 UTC (rev 6302)
@@ -16,7 +16,7 @@
<ol>
<li>First we need to get an initial context so we can look-up the JMS connection factory and destination objects from JNDI. This initial context will get it's properties from the <code>client-jndi.properties</code> file in the directory <code>../common/config</code></li>
<pre>
- <code>InitialContext initialContext = getContext();</code>
+ <code>initialContext = getContext();</code>
</pre>
<li>We look-up the JMS topic object from JNDI</li>
@@ -134,13 +134,18 @@
<pre><code>session.unsubscribe("sub-a1");</code></pre>
<pre><code>session.unsubscribe("sub-a2");</code></pre>
- <li>And finally, <b>always</b> remember to close your JMS connections after use, in a <code>finally</code> block. Closing a JMS connection will automatically close all of its sessions, consumers, producer and browser objects</li>
+ <li>And finally, <b>always</b> remember to close your JMS connections or any other resources after use, in a <code>finally</code> block. Closing a JMS connection will automatically close all of its sessions, consumers, producer and browser objects</li>
<pre>
<code>
finally
{
+ if (initialContext != null)
+ {
+ initialContext.close();
+ }
+
if (connection != null)
{
// Step 14. Be sure to close our JMS resources!
Deleted: trunk/examples/jms/topic-selector/src/org/jboss/jms/example/TopicSelector.java
===================================================================
--- trunk/examples/jms/topic-selector/src/org/jboss/jms/example/TopicSelector.java 2009-04-03 14:52:48 UTC (rev 6301)
+++ trunk/examples/jms/topic-selector/src/org/jboss/jms/example/TopicSelector.java 2009-04-03 15:53:41 UTC (rev 6302)
@@ -1,165 +0,0 @@
-/*
- * JBoss, Home of Professional Open Source
- * Copyright 2005-2008, Red Hat Middleware LLC, and individual contributors
- * by the @authors tag. See the copyright.txt in the distribution for a
- * full listing of individual contributors.
- *
- * This is free software; you can redistribute it and/or modify it
- * under the terms of the GNU Lesser General Public License as
- * published by the Free Software Foundation; either version 2.1 of
- * the License, or (at your option) any later version.
- *
- * This software is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this software; if not, write to the Free
- * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
- * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
- */
-package org.jboss.jms.example;
-
-import javax.jms.Connection;
-import javax.jms.ConnectionFactory;
-import javax.jms.MessageConsumer;
-import javax.jms.MessageProducer;
-import javax.jms.Session;
-import javax.jms.TextMessage;
-import javax.jms.Topic;
-import javax.naming.InitialContext;
-
-/**
- * A simple JMS Topic example that creates a producer and consumer on a queue and sends and receives a message.
- *
- * @author <a href="csuconic at redhat.com">Clebert Suconic</a>
- */
-public class TopicSelector extends JMSExample
-{
- public static void main(String[] args)
- {
- new TopicSelector().run(args);
- }
-
- public void runExample() throws Exception
- {
- Connection connection = null;
- try
- {
-
- // Step 1. Create an initial context to perform the JNDI lookup.
- InitialContext initialContext = getContext();
-
- // Step 2. Look-up the JMS topic
- Topic topic = (Topic)initialContext.lookup("/topic/exampleTopic");
-
- // Step 3. Look-up the JMS connection factory
- ConnectionFactory cf = (ConnectionFactory)initialContext.lookup("/ConnectionFactory");
-
- // Step 4. Create a JMS connection
- connection = cf.createConnection();
-
- // Step 5. Create a JMS session
- Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
-
- // Step 6. Create a JMS message producer
- MessageProducer producer = session.createProducer(topic);
-
- // Step 7. Create one subscription with a specific Filter for someID=1
- MessageConsumer messageConsumer1 = session.createConsumer(topic, "someID=1", false);
-
- // Step 8. Create another subscription with a specific Filter for someID=2
- MessageConsumer messageConsumer2 = session.createConsumer(topic, "someID=2", false);
-
- // Step 9. Create another subscription with no filters, which will receive every message sent to the topic
- MessageConsumer messageConsumer3 = session.createConsumer(topic);
-
- // Step 10. Send 20 messages, 10 with someID=1, 10 with someID=2
-
- for (int i = 1; i < 10; i++)
- {
- for (int someID = 1; someID <= 2; someID++)
- {
- // Step 10.1 Create a text message
- TextMessage message1 = session.createTextMessage("This is a text message " + i +
- " sent for someID=" +
- someID);
-
- // Step 10.1 Set a property
- message1.setIntProperty("someID", someID);
-
- // Step 10.2 Send the message
- producer.send(message1);
-
- System.out.println("Sent message: " + message1.getText());
- }
- }
-
- // Step 11. Start the JMS Connection. This step will activate the subscribers to receive messages.
- connection.start();
-
- // Step 12. Consume the messages from MessageConsumer1, filtering out someID=2
-
- System.out.println("*************************************************************");
- System.out.println("MessageConsumer1 will only receive messages where someID=1:");
- for (;;)
- {
- TextMessage messageReceivedA = (TextMessage)messageConsumer1.receive(1000);
- if (messageReceivedA == null)
- {
- break;
- }
-
- System.out.println("messageConsumer1 received " + messageReceivedA.getText() +
- " someID = " +
- messageReceivedA.getIntProperty("someID"));
- }
-
- // Step 13. Consume the messages from MessageConsumer2, filtering out someID=2
- System.out.println("*************************************************************");
- System.out.println("MessageConsumer2 will only receive messages where someID=2:");
- for (;;)
- {
- TextMessage messageReceivedB = (TextMessage)messageConsumer2.receive(1000);
- if (messageReceivedB == null)
- {
- break;
- }
-
- System.out.println("messageConsumer2 received " + messageReceivedB.getText() +
- " someID = " +
- messageReceivedB.getIntProperty("someID"));
- }
-
- // Step 14. Consume the messages from MessageConsumer3, receiving the complete set of messages
- System.out.println("*************************************************************");
- System.out.println("MessageConsumer3 will receive every message:");
- for (;;)
- {
- TextMessage messageReceivedC = (TextMessage)messageConsumer3.receive(1000);
- if (messageReceivedC == null)
- {
- break;
- }
- System.out.println("messageConsumer3 received " + messageReceivedC.getText() +
- " someID = " +
- messageReceivedC.getIntProperty("someID"));
- }
-
- // Step 15. Close the subscribers
- messageConsumer1.close();
- messageConsumer2.close();
- messageConsumer3.close();
-
- }
- finally
- {
- if (connection != null)
- {
- // Step 15. Be sure to close our JMS resources!
- connection.close();
- }
- }
- }
-}
Copied: trunk/examples/jms/topic-selector/src/org/jboss/jms/example/TopicSelectorExample.java (from rev 6281, trunk/examples/jms/topic-selector/src/org/jboss/jms/example/TopicSelector.java)
===================================================================
--- trunk/examples/jms/topic-selector/src/org/jboss/jms/example/TopicSelectorExample.java (rev 0)
+++ trunk/examples/jms/topic-selector/src/org/jboss/jms/example/TopicSelectorExample.java 2009-04-03 15:53:41 UTC (rev 6302)
@@ -0,0 +1,171 @@
+/*
+ * JBoss, Home of Professional Open Source
+ * Copyright 2005-2008, Red Hat Middleware LLC, and individual contributors
+ * by the @authors tag. See the copyright.txt in the distribution for a
+ * full listing of individual contributors.
+ *
+ * This is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this software; if not, write to the Free
+ * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
+ */
+package org.jboss.jms.example;
+
+import javax.jms.Connection;
+import javax.jms.ConnectionFactory;
+import javax.jms.MessageConsumer;
+import javax.jms.MessageProducer;
+import javax.jms.Session;
+import javax.jms.TextMessage;
+import javax.jms.Topic;
+import javax.naming.InitialContext;
+
+/**
+ * A simple JMS Topic example that creates a producer and consumer on a queue and sends and receives a message.
+ *
+ * @author <a href="csuconic at redhat.com">Clebert Suconic</a>
+ */
+public class TopicSelectorExample extends JMSExample
+{
+ public static void main(String[] args)
+ {
+ new TopicSelectorExample().run(args);
+ }
+
+ public void runExample() throws Exception
+ {
+ Connection connection = null;
+
+ InitialContext initialContext = null;
+ try
+ {
+
+ // Step 1. Create an initial context to perform the JNDI lookup.
+ initialContext = getContext();
+
+ // Step 2. Look-up the JMS topic
+ Topic topic = (Topic)initialContext.lookup("/topic/exampleTopic");
+
+ // Step 3. Look-up the JMS connection factory
+ ConnectionFactory cf = (ConnectionFactory)initialContext.lookup("/ConnectionFactory");
+
+ // Step 4. Create a JMS connection
+ connection = cf.createConnection();
+
+ // Step 5. Create a JMS session
+ Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
+
+ // Step 6. Create a JMS message producer
+ MessageProducer producer = session.createProducer(topic);
+
+ // Step 7. Create one subscription with a specific Filter for someID=1
+ MessageConsumer messageConsumer1 = session.createConsumer(topic, "someID=1", false);
+
+ // Step 8. Create another subscription with a specific Filter for someID=2
+ MessageConsumer messageConsumer2 = session.createConsumer(topic, "someID=2", false);
+
+ // Step 9. Create another subscription with no filters, which will receive every message sent to the topic
+ MessageConsumer messageConsumer3 = session.createConsumer(topic);
+
+ // Step 10. Send 20 messages, 10 with someID=1, 10 with someID=2
+
+ for (int i = 1; i < 10; i++)
+ {
+ for (int someID = 1; someID <= 2; someID++)
+ {
+ // Step 10.1 Create a text message
+ TextMessage message1 = session.createTextMessage("This is a text message " + i +
+ " sent for someID=" +
+ someID);
+
+ // Step 10.1 Set a property
+ message1.setIntProperty("someID", someID);
+
+ // Step 10.2 Send the message
+ producer.send(message1);
+
+ System.out.println("Sent message: " + message1.getText());
+ }
+ }
+
+ // Step 11. Start the JMS Connection. This step will activate the subscribers to receive messages.
+ connection.start();
+
+ // Step 12. Consume the messages from MessageConsumer1, filtering out someID=2
+
+ System.out.println("*************************************************************");
+ System.out.println("MessageConsumer1 will only receive messages where someID=1:");
+ for (;;)
+ {
+ TextMessage messageReceivedA = (TextMessage)messageConsumer1.receive(1000);
+ if (messageReceivedA == null)
+ {
+ break;
+ }
+
+ System.out.println("messageConsumer1 received " + messageReceivedA.getText() +
+ " someID = " +
+ messageReceivedA.getIntProperty("someID"));
+ }
+
+ // Step 13. Consume the messages from MessageConsumer2, filtering out someID=2
+ System.out.println("*************************************************************");
+ System.out.println("MessageConsumer2 will only receive messages where someID=2:");
+ for (;;)
+ {
+ TextMessage messageReceivedB = (TextMessage)messageConsumer2.receive(1000);
+ if (messageReceivedB == null)
+ {
+ break;
+ }
+
+ System.out.println("messageConsumer2 received " + messageReceivedB.getText() +
+ " someID = " +
+ messageReceivedB.getIntProperty("someID"));
+ }
+
+ // Step 14. Consume the messages from MessageConsumer3, receiving the complete set of messages
+ System.out.println("*************************************************************");
+ System.out.println("MessageConsumer3 will receive every message:");
+ for (;;)
+ {
+ TextMessage messageReceivedC = (TextMessage)messageConsumer3.receive(1000);
+ if (messageReceivedC == null)
+ {
+ break;
+ }
+ System.out.println("messageConsumer3 received " + messageReceivedC.getText() +
+ " someID = " +
+ messageReceivedC.getIntProperty("someID"));
+ }
+
+ // Step 15. Close the subscribers
+ messageConsumer1.close();
+ messageConsumer2.close();
+ messageConsumer3.close();
+
+ }
+ finally
+ {
+ if (initialContext != null)
+ {
+ initialContext.close();
+ }
+ if (connection != null)
+ {
+ // Step 15. Be sure to close our JMS resources!
+ connection.close();
+ }
+ }
+ }
+}
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