Example usage for javax.jms Connection close

List of usage examples for javax.jms Connection close

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.topic.Subscriber.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();/*from w w  w.j  a va  2s  .c  o  m*/
    }
    System.out
            .println("\nWaiting to receive messages... Either waiting for END message or press Ctrl+C to exit");
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
    Connection connection = null;
    final CountDownLatch latch = new CountDownLatch(1);

    try {

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

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createTopic("test-topic");

        MessageConsumer consumer = session.createConsumer(destination);
        consumer.setMessageListener(new Subscriber(latch));

        latch.await();
        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:example.browser.Browser.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();//from  w  w  w  . j  a  v  a 2  s.  c om
    }
    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);
        Queue destination = session.createQueue("test-queue");
        QueueBrowser browser = session.createBrowser(destination);
        Enumeration enumeration = browser.getEnumeration();

        while (enumeration.hasMoreElements()) {
            TextMessage message = (TextMessage) enumeration.nextElement();
            System.out.println("Browsing: " + message);
            TimeUnit.MILLISECONDS.sleep(DELAY);
        }

        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.browser.Producer.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();/*from  w ww  .  j  ava2  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);
            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:example.topic.durable.Subscriber.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();//from w  w w. j  av a  2s . co m
    }
    System.out
            .println("\nWaiting to receive messages... Either waiting for END message or press Ctrl+C to exit");
    ActiveMQConnectionFactory connectionFactory = new ActiveMQConnectionFactory("admin", "password", url);
    Connection connection = null;
    final CountDownLatch latch = new CountDownLatch(1);

    try {

        connection = connectionFactory.createConnection();
        String clientId = System.getProperty("clientId");
        connection.setClientID(clientId);

        connection.start();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Topic destination = session.createTopic("test-topic");

        MessageConsumer consumer = session.createDurableSubscriber(destination, clientId);
        consumer.setMessageListener(new Subscriber(latch));

        latch.await();
        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:example.composite.dest.Producer.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();/*w  ww . j  a v 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,test-queue-foo,test-queue-bar,topic://test-topic-foo");
        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);
            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:example.topic.durable.Publisher.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();/*from w  ww  .  j  a  v a 2s.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.createTopic("test-topic");
        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);
            producer.send(message);
            Thread.sleep(DELAY);
        }

        // tell the subscribers we're done
        producer.send(session.createTextMessage("END"));

        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.dawnsci.commandserver.mx.example.ActiveMQProducer.java

public static void main(String[] args) throws Exception {

    QueueConnectionFactory connectionFactory = ConnectionFactoryFacade
            .createConnectionFactory("tcp://ws097.diamond.ac.uk:61616");
    Connection send = connectionFactory.createConnection();

    Session session = send.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Queue queue = session.createQueue("testQ");

    final MessageProducer producer = session.createProducer(queue);
    producer.setDeliveryMode(DeliveryMode.PERSISTENT);

    Message message = session.createTextMessage("Hello World");
    producer.send(message);//from  w  w  w.  ja va 2 s .  c  o  m

    message = session.createTextMessage("...and another message");
    producer.send(message);

    message = session.createObjectMessage(new TestObjectBean("this could be", "anything"));
    producer.send(message);

    // Test JSON
    SweepBean col = new SweepBean("fred", "d0000000001", 0, 100);

    ObjectMapper mapper = new ObjectMapper();
    String jsonString = mapper.writeValueAsString(col);

    message = session.createTextMessage(jsonString);
    producer.send(message);

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

    // Now we peak at the queue
    // If the consumer is not going, the messages should still be there
    if (REQUIRE_PEAK) {
        QueueConnection qCon = connectionFactory.createQueueConnection();
        QueueSession qSes = qCon.createQueueSession(false, Session.AUTO_ACKNOWLEDGE);
        queue = qSes.createQueue("testQ");
        qCon.start();

        QueueBrowser qb = qSes.createBrowser(queue);
        Enumeration e = qb.getEnumeration();
        if (e.hasMoreElements())
            System.out.println("Peak at queue:");
        while (e.hasMoreElements()) {
            Message m = (Message) e.nextElement();
            if (m == null)
                continue;
            if (m instanceof TextMessage) {
                TextMessage t = (TextMessage) m;
                System.out.println(t.getText());
            } else if (m instanceof ObjectMessage) {
                ObjectMessage o = (ObjectMessage) m;
                System.out.println(o.getObject());
            }
        }

        qb.close();
        qSes.close();
        qCon.close();
    }

}

From source file:example.queue.Consumer.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();/*from  w w  w . j  a va 2s  .  com*/
    }
    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();

        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);
                }
            } 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:example.queue.exclusive.Consumer.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();//  w w  w .j  a va 2 s. c o 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();

        Session session = connection.createSession(NON_TRANSACTED, Session.AUTO_ACKNOWLEDGE);
        Queue destination = session.createQueue("test-queue?consumer.exclusive=true");
        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);
                }
            } 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:example.queue.selector.Consumer.java

public static void main(String[] args) {
    String url = BROKER_URL;
    if (args.length > 0) {
        url = args[0].trim();/*w w  w  .ja v a  2s .c  om*/
    }
    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();

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

        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);
                }
            } 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...");
            }
        }
    }
}