Example usage for javax.jms Connection close

List of usage examples for javax.jms Connection close

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Introduction

In this page you can find the example usage for javax.jms Connection close.

Prototype


void close() throws JMSException;

Source Link

Document

Closes the connection.

Usage

From source file:example.queue.selector.Producer.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();//  w w  w.j  av a 2 s . c  o  m
    }
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
    Connection connection = null;

    try {

        connection = connectionFactory.createConnection();
        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createQueue("test-queue");
        MessageProducer producer = session.createProducer(destination);

        for (int i = 0; i < NUM_MESSAGES_TO_SEND; i++) {
            TextMessage message = session.createTextMessage("Message #" + i);
            System.out.println("Sending message #" + i);
            if (i % 2 == 0) {
                System.out.println("Sending to me");
                message.setStringProperty("intended", "me");
            } else {
                System.out.println("Sending to you");
                message.setStringProperty("intended", "you");
            }
            producer.send(message);
            Thread.sleep(DELAY);
        }

        producer.close();
        session.close();

    } catch (Exception e) {
        System.out.println("Caught exception!");
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                System.out.println("Could not close an open connection...");
            }
        }
    }
}

From source file:org.apache.uima.examples.as.GetMetaRequest.java

/**
 * retrieve meta information for a UIMA-AS Service attached to a broker
 * It uses the port 1099 as the JMX port on the broker, unless overridden
 *   by defining the system property activemq.broker.jmx.port with a value of another port number
 * It uses the default JMX ActiveMQ Domain "org.apache.activemq", unless overridden
 *   by defining the system property activemq.broker.jmx.domain with a value of the domain to use
 *   This normally never needs to be done unless multiple brokers are run on the same node 
 *   as is sometimes done for unit tests.
 * @param args - brokerUri serviceName [-verbose]
 *//*from   w ww.  ja  v  a 2 s .c o  m*/
public static void main(String[] args) {
    if (args.length < 2) {
        System.err.println("Need arguments: brokerURI serviceName [-verbose]");
        System.exit(1);
    }
    String brokerURI = args[0];
    String queueName = args[1];
    boolean printReply = false;
    if (args.length > 2) {
        if (args[2].equalsIgnoreCase("-verbose")) {
            printReply = true;
        } else {
            System.err.println("Unknown argument: " + args[2]);
            System.exit(1);
        }
    }
    final Connection connection;
    Session producerSession = null;
    Queue producerQueue = null;
    MessageProducer producer;
    MessageConsumer consumer;
    Session consumerSession = null;
    TemporaryQueue consumerDestination = null;
    long startTime = 0;

    //  Check if JMX server port number was specified
    jmxPort = System.getProperty("activemq.broker.jmx.port");
    if (jmxPort == null || jmxPort.trim().length() == 0) {
        jmxPort = "1099"; // default
    }

    try {
        //  First create connection to a broker
        ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(brokerURI);
        connection = factory.createConnection();
        connection.start();
        Runtime.getRuntime().addShutdownHook(new Thread(new Runnable() {
            public void run() {
                try {
                    if (connection != null) {
                        connection.close();
                    }
                    if (jmxc != null) {
                        jmxc.close();
                    }
                } catch (Exception ex) {
                }
            }
        }));

        URI target = new URI(brokerURI);
        String brokerHost = target.getHost();

        attachToRemoteBrokerJMXServer(brokerURI);
        if (isQueueAvailable(queueName) == QueueState.exists) {
            System.out.println("Queue " + queueName + " found on " + brokerURI);
            System.out.println("Sending getMeta...");
        } else if (isQueueAvailable(queueName) == QueueState.existsnot) {
            System.err.println("Queue " + queueName + " does not exist on " + brokerURI);
            System.exit(1);
        } else {
            System.out.println("Cannot see queues on JMX port " + brokerHost + ":" + jmxPort);
            System.out.println("Sending getMeta anyway...");
        }

        producerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        producerQueue = producerSession.createQueue(queueName);
        producer = producerSession.createProducer(producerQueue);
        consumerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        consumerDestination = consumerSession.createTemporaryQueue();
        //  -----------------------------------------------------------------------------
        //  Create message consumer. The consumer uses a selector to filter out messages other
        //  then GetMeta replies. Currently UIMA AS service returns two messages for each request:
        //  ServiceInfo message and GetMeta message. The ServiceInfo message is returned by the 
        //  service immediately upon receiving a message from a client. This serves dual purpose, 
        //  1) to make sure the client reply destination exists
        //  2) informs the client which service is processing its request
        //  -----------------------------------------------------------------------------
        consumer = consumerSession.createConsumer(consumerDestination, "Command=2001");
        TextMessage msg = producerSession.createTextMessage();
        msg.setStringProperty(AsynchAEMessage.MessageFrom, consumerDestination.getQueueName());
        msg.setStringProperty(UIMAMessage.ServerURI, brokerURI);
        msg.setIntProperty(AsynchAEMessage.MessageType, AsynchAEMessage.Request);
        msg.setIntProperty(AsynchAEMessage.Command, AsynchAEMessage.GetMeta);
        msg.setJMSReplyTo(consumerDestination);
        msg.setText("");
        producer.send(msg);
        startTime = System.nanoTime();

        System.out.println("Sent getMeta request to " + queueName + " at " + brokerURI);
        System.out.println("Waiting for getMeta reply...");
        ActiveMQTextMessage reply = (ActiveMQTextMessage) consumer.receive();
        long waitTime = (System.nanoTime() - startTime) / 1000000;

        System.out.println(
                "Reply from " + reply.getStringProperty("ServerIP") + " received in " + waitTime + " ms");
        if (printReply) {
            System.out.println("Reply MessageText: " + reply.getText());
        }
    } catch (Exception e) {
        System.err.println(e.toString());
    }
    System.exit(0);
}

From source file:example.tempdest.ProducerRequestReply.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();/*from  www .  jav a2s.co  m*/
    }
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
    Connection connection = null;

    try {

        connection = connectionFactory.createConnection();
        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createQueue("test-queue");
        MessageProducer producer = session.createProducer(destination);
        Destination replyDest = session.createTemporaryQueue();

        // set up the consumer to handle the reply
        MessageConsumer replyConsumer = session.createConsumer(replyDest);
        replyConsumer.setMessageListener(new MessageListener() {
            @Override
            public void onMessage(Message message) {
                System.out.println("*** REPLY *** ");
                System.out.println(message.toString());
            }
        });

        TextMessage message = session.createTextMessage("I need a response for this, please");
        message.setJMSReplyTo(replyDest);

        producer.send(message);

        // wait for a response
        TimeUnit.SECONDS.sleep(2);
        producer.close();
        session.close();

    } catch (Exception e) {
        System.out.println("Caught exception!");
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                System.out.println("Could not close an open connection...");
            }
        }
    }
}

From source file:example.tempdest.Consumer.java

public static void main(String[] args) {

    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();//  w  w  w .  j  av  a 2  s  . co m
    }
    System.out.println("\nWaiting to receive messages... will timeout after " + TIMEOUT / 1000 + "s");
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
    Connection connection = null;

    try {

        connection = connectionFactory.createConnection();
        connection.start();

        final Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createQueue("test-queue");
        MessageConsumer consumer = session.createConsumer(destination);

        int i = 0;
        while (true) {
            Message message = consumer.receive(TIMEOUT);

            if (message != null) {
                if (message instanceof TextMessage) {
                    String text = ((TextMessage) message).getText();
                    System.out.println("Got " + i++ + ". message: " + text);
                    Destination replyTo = message.getJMSReplyTo();
                    MessageProducer producer = session.createProducer(replyTo);
                    producer.send(
                            session.createTextMessage("You made it to the consumer, here is your response"));
                    producer.close();
                }
            } else {
                break;
            }
        }

        consumer.close();
        session.close();

    } catch (Exception e) {
        System.out.println("Caught exception!");
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                System.out.println("Could not close an open connection...");
            }
        }
    }
}

From source file:com.fusesource.examples.activemq.SimplePublisher.java

public static void main(String args[]) {
    Connection connection = null;

    try {//from  w ww.j  a v  a2 s . c  o m
        // JNDI lookup of JMS Connection Factory and JMS Destination
        Context context = new InitialContext();
        ConnectionFactory factory = (ConnectionFactory) context.lookup(CONNECTION_FACTORY_NAME);

        connection = factory.createConnection();
        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Topic topic = session.createTopic(DESTINATION_NAME);

        MessageProducer producer = session.createProducer(topic);

        producer.setTimeToLive(MESSAGE_TIME_TO_LIVE_MILLISECONDS);

        for (int i = 1; i <= NUM_MESSAGES_TO_BE_SENT; i++) {
            TextMessage message = session.createTextMessage(i + ". message sent");
            LOG.info("Sending to destination: " + DESTINATION_NAME + " this text: '" + message.getText());
            producer.send(message);
            Thread.sleep(MESSAGE_DELAY_MILLISECONDS);
        }

        // Cleanup
        producer.close();
        session.close();
    } catch (Throwable t) {
        LOG.error(t);
    } finally {
        // Cleanup code
        // In general, you should always close producers, consumers,
        // sessions, and connections in reverse order of creation.
        // For this simple example, a JMS connection.close will
        // clean up all other resources.
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                LOG.error(e);
            }
        }
    }
}

From source file:com.fusesource.examples.activemq.SimpleProducer.java

public static void main(String args[]) {
    Connection connection = null;

    try {/* w ww  . j av  a  2s  .co  m*/
        // JNDI lookup of JMS Connection Factory and JMS Destination
        Context context = new InitialContext();
        ConnectionFactory factory = (ConnectionFactory) context.lookup(CONNECTION_FACTORY_NAME);
        Destination destination = (Destination) context.lookup(DESTINATION_NAME);

        connection = factory.createConnection();
        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = session.createProducer(destination);

        producer.setTimeToLive(MESSAGE_TIME_TO_LIVE_MILLISECONDS);

        for (int i = 1; i <= NUM_MESSAGES_TO_BE_SENT; i++) {
            TextMessage message = session.createTextMessage(i + ". message sent");
            LOG.info("Sending to destination: " + destination.toString() + " this text: '" + message.getText());
            producer.send(message);
            Thread.sleep(MESSAGE_DELAY_MILLISECONDS);
        }

        // Cleanup
        producer.close();
        session.close();
    } catch (Throwable t) {
        LOG.error(t);
    } finally {
        // Cleanup code
        // In general, you should always close producers, consumers,
        // sessions, and connections in reverse order of creation.
        // For this simple example, a JMS connection.close will
        // clean up all other resources.
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                LOG.error(e);
            }
        }
    }
}

From source file:example.transaction.Client.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();/*w w  w  . j a v  a 2 s . com*/
    }
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
    Connection connection = null;

    try {
        connection = connectionFactory.createConnection();
        connection.start();
        Topic destination = new ActiveMQTopic("transacted.client.example");

        Session senderSession = connection.createSession(TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Session receiverSession = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        MessageConsumer receiver = receiverSession.createConsumer(destination);
        receiver.setMessageListener(new MessageListener() {
            @Override
            public void onMessage(Message message) {
                if (message instanceof TextMessage) {
                    try {
                        String value = ((TextMessage) message).getText();
                        System.out.println("We received a new message: " + value);
                    } catch (JMSException e) {
                        System.out.println("Could not read the receiver's topic because of a JMSException");
                    }
                }
            }
        });

        MessageProducer sender = senderSession.createProducer(destination);

        connection.start();
        acceptInputFromUser(senderSession, sender);
        senderSession.close();
        receiverSession.close();

    } catch (Exception e) {
        System.out.println("Caught exception!");
    } finally {
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                System.out.println("Could not close an open connection...");
            }
        }
    }
}

From source file:com.fusesource.examples.activemq.SimpleConsumer.java

public static void main(String args[]) {
    Connection connection = null;

    try {/*from   ww  w. j av a2  s  .  c o m*/
        // JNDI lookup of JMS Connection Factory and JMS Destination
        Context context = new InitialContext();
        ConnectionFactory factory = (ConnectionFactory) context.lookup(CONNECTION_FACTORY_NAME);
        Destination destination = (Destination) context.lookup(DESTINATION_NAME);

        connection = factory.createConnection();
        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        MessageConsumer consumer = session.createConsumer(destination);

        LOG.info("Start consuming messages from " + destination.toString() + " with "
                + MESSAGE_TIMEOUT_MILLISECONDS + "ms timeout");

        // Synchronous message consumer
        int i = 1;
        while (true) {
            Message message = consumer.receive(MESSAGE_TIMEOUT_MILLISECONDS);
            if (message != null) {
                if (message instanceof TextMessage) {
                    String text = ((TextMessage) message).getText();
                    LOG.info("Got " + (i++) + ". message: " + text);
                }
            } else {
                break;
            }
        }

        consumer.close();
        session.close();
    } catch (Throwable t) {
        LOG.error(t);
    } finally {
        // Cleanup code
        // In general, you should always close producers, consumers,
        // sessions, and connections in reverse order of creation.
        // For this simple example, a JMS connection.close will
        // clean up all other resources.
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                LOG.error(e);
            }
        }
    }
}

From source file:com.fusesource.examples.activemq.VirtualConsumer.java

public static void main(String args[]) {
    Connection connection = null;

    try {//from   ww  w. j  a va 2 s  . c  om
        // JNDI lookup of JMS Connection Factory and JMS Destination
        Context context = new InitialContext();
        ConnectionFactory factory = (ConnectionFactory) context.lookup(CONNECTION_FACTORY_NAME);

        connection = factory.createConnection();
        connection.setClientID(System.getProperty("clientID"));
        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Queue queue = session.createQueue(System.getProperty("queue"));

        MessageConsumer consumer = session.createConsumer(queue);

        LOG.info("Start consuming messages from " + queue + " with " + MESSAGE_TIMEOUT_MILLISECONDS
                + "ms timeout");

        // Synchronous message consumer
        int i = 1;
        while (true) {
            Message message = consumer.receive(MESSAGE_TIMEOUT_MILLISECONDS);
            if (message != null) {
                if (message instanceof TextMessage) {
                    String text = ((TextMessage) message).getText();
                    LOG.info("Got " + (i++) + ". message: " + text);
                }
            } else {
                break;
            }
        }

        consumer.close();
        session.close();
    } catch (Throwable t) {
        LOG.error(t);
    } finally {
        // Cleanup code
        // In general, you should always close producers, consumers,
        // sessions, and connections in reverse order of creation.
        // For this simple example, a JMS connection.close will
        // clean up all other resources.
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                LOG.error(e);
            }
        }
    }
}

From source file:com.fusesource.examples.activemq.SimpleSubscriber.java

public static void main(String args[]) {
    Connection connection = null;

    try {//from  www.  j a  va  2  s .  co  m
        // JNDI lookup of JMS Connection Factory and JMS Destination
        Context context = new InitialContext();
        ConnectionFactory factory = (ConnectionFactory) context.lookup(CONNECTION_FACTORY_NAME);
        connection = factory.createConnection();
        connection.setClientID("ApplicationA");

        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        String topicName = System.getProperty("topic");

        Topic topic = session.createTopic(topicName);
        MessageConsumer consumer = session.createConsumer(topic);

        LOG.info("Start consuming messages from " + topicName + " with " + MESSAGE_TIMEOUT_MILLISECONDS
                + "ms timeout");

        // Synchronous message consumer
        int i = 1;
        while (true) {
            Message message = consumer.receive(MESSAGE_TIMEOUT_MILLISECONDS);
            if (message != null) {
                if (message instanceof TextMessage) {
                    String text = ((TextMessage) message).getText();
                    LOG.info("Got " + (i++) + ". message: " + text);
                }
            } else {
                break;
            }
        }

        consumer.close();
        session.close();
    } catch (Throwable t) {
        LOG.error(t);
    } finally {
        // Cleanup code
        // In general, you should always close producers, consumers,
        // sessions, and connections in reverse order of creation.
        // For this simple example, a JMS connection.close will
        // clean up all other resources.
        if (connection != null) {
            try {
                connection.close();
            } catch (JMSException e) {
                LOG.error(e);
            }
        }
    }
}