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InstantiateConnectionFactoryExample.java
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InstantiateConnectionFactoryExample.java
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/*
* Copyright 2005-2014 Red Hat, Inc.
* Red Hat licenses this file to you under the Apache License, version
* 2.0 (the "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
* implied. See the License for the specific language governing
* permissions and limitations under the License.
*/
package org.hornetq.jms.example;
import java.util.HashMap;
import java.util.Map;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import javax.jms.TextMessage;
import org.hornetq.api.core.TransportConfiguration;
import org.hornetq.api.jms.HornetQJMSClient;
import org.hornetq.api.jms.JMSFactoryType;
import org.hornetq.common.example.HornetQExample;
import org.hornetq.core.remoting.impl.netty.NettyConnectorFactory;
import org.hornetq.core.remoting.impl.netty.TransportConstants;
/**
*
* This example demonstrates how a JMS client can directly instantiate it's JMS Objects like
* Queue, ConnectionFactory, etc. without having to use JNDI at all.
*
* For more information please see the readme.html file.
*
* @author <a href="mailto:tim.fox@jboss.com">Tim Fox</a>
*
*/
public class InstantiateConnectionFactoryExample extends HornetQExample
{
public static void main(final String[] args)
{
new InstantiateConnectionFactoryExample().run(args);
}
@Override
public boolean runExample() throws Exception
{
Connection connection = null;
try
{
// Step 1. Directly instantiate the JMS Queue object.
Queue queue = HornetQJMSClient.createQueue("exampleQueue");
// Step 2. Instantiate the TransportConfiguration object which contains the knowledge of what transport to use,
// The server port etc.
Map<String, Object> connectionParams = new HashMap<String, Object>();
connectionParams.put(TransportConstants.PORT_PROP_NAME, 5446);
TransportConfiguration transportConfiguration = new TransportConfiguration(NettyConnectorFactory.class.getName(),
connectionParams);
// Step 3 Directly instantiate the JMS ConnectionFactory object using that TransportConfiguration
ConnectionFactory cf = HornetQJMSClient.createConnectionFactoryWithoutHA(JMSFactoryType.CF, transportConfiguration);
// 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(queue);
// Step 7. Create a Text Message
TextMessage message = session.createTextMessage("This is a text message");
System.out.println("Sent message: " + message.getText());
// Step 8. Send the Message
producer.send(message);
// Step 9. Create a JMS Message Consumer
MessageConsumer messageConsumer = session.createConsumer(queue);
// Step 10. Start the Connection
connection.start();
// Step 11. Receive the message
TextMessage messageReceived = (TextMessage)messageConsumer.receive(5000);
System.out.println("Received message: " + messageReceived.getText());
return true;
}
finally
{
if (connection != null)
{
connection.close();
}
}
}
}