Example usage for javax.jms Session createTopic

Introduction

In this page you can find the example usage for javax.jms Session createTopic.

Prototype

Topic createTopic(String topicName) throws JMSException;

Source Link

Document

Creates a Topic object which encapsulates a specified provider-specific topic name.

Usage

From source file:biz.fstechnology.micro.common.jms.SyncSessionCallbackImpl.java

/**
 * @see org.springframework.jms.core.SessionCallback#doInJms(javax.jms.Session)
 *///from   ww  w . j  a  va2 s .co m
@Override
public T doInJms(Session session) throws JMSException {
    Topic destTopic = session.createTopic(topicName);
    TemporaryQueue responseQueue = session.createTemporaryQueue();

    // oh my god...
    // why MessageProducer & MessageConsumer not have AutoCloseable!!!
    try (AutoCloseableWrapper<MessageProducer> producerCont = new AutoCloseableWrapper<>(
            () -> createProducer(session, destTopic), JmsUtils::closeMessageProducer);
            AutoCloseableWrapper<MessageConsumer> consumerCont = new AutoCloseableWrapper<>(
                    () -> createConsumer(session, responseQueue), JmsUtils::closeMessageConsumer)) {

        MessageProducer producer = producerCont.unwrap();
        MessageConsumer consumer = consumerCont.unwrap();
        consumer.setMessageListener(this);

        if (getMessageCreator() == null) {
            RequestMessageCreator messageCreator = new RequestMessageCreator();
            messageCreator.setContents(getMessageObj());
            setMessageCreator(messageCreator);
        }
        if (getMessageCreator() instanceof RequestMessageCreator) {
            ((RequestMessageCreator) getMessageCreator()).setReplyTo(responseQueue);
        }
        Message requestMessage = getMessageCreator().createMessage(session);
        producer.send(destTopic, requestMessage);

        if (getMessageCreator() instanceof RequestMessageCreator) {
            return waitResponse(consumer, requestMessage);
        } else {
            return null;
        }
    }
}

---

From source file:org.apache.falcon.messaging.ProcessProducerTest.java

private void consumer() throws JMSException {
    ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(BROKER_URL);
    Connection connection = connectionFactory.createConnection();
    connection.start();/*w  w  w  .ja  v a  2 s .com*/

    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createTopic(getTopicName());
    MessageConsumer consumer = session.createConsumer(destination);

    latch.countDown();

    for (int index = 0; index < outputFeedNames.length; ++index) {
        MapMessage m = (MapMessage) consumer.receive();
        System.out.println("Consumed: " + m.toString());
        assertMessage(m);
        Assert.assertEquals(m.getString(WorkflowExecutionArgs.OUTPUT_FEED_NAMES.getName()),
                outputFeedNames[index]);
        Assert.assertEquals(m.getString(WorkflowExecutionArgs.OUTPUT_FEED_PATHS.getName()),
                outputFeedPaths[index]);
    }
    connection.close();
}

---

From source file:org.wso2.carbon.sample.consumer.TopicConsumer.java

public void run() {
    // create topic connection
    TopicConnection topicConnection = null;
    try {/*w  w  w  .  ja va  2 s .  c o  m*/
        topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
    } catch (JMSException e) {
        log.error("Can not create topic connection." + e.getMessage(), e);
        return;
    }
    Session session = null;
    try {
        session = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createTopic(topicName);
        MessageConsumer consumer = session.createConsumer(destination);
        log.info("Listening for messages");
        while (active) {
            Message message = consumer.receive(1000);
            if (message != null) {
                if (message instanceof MapMessage) {
                    MapMessage mapMessage = (MapMessage) message;
                    Map<String, Object> map = new HashMap<String, Object>();
                    Enumeration enumeration = mapMessage.getMapNames();
                    while (enumeration.hasMoreElements()) {
                        String key = (String) enumeration.nextElement();
                        map.put(key, mapMessage.getObject(key));
                    }
                    log.info("Received Map Message : " + map);
                } else if (message instanceof TextMessage) {
                    log.info("Received Text Message : " + ((TextMessage) message).getText());
                } else {
                    log.info("Received message : " + message.toString());
                }
            }
        }
        log.info("Finished listening for messages.");
        session.close();
        topicConnection.stop();
        topicConnection.close();
    } catch (JMSException e) {
        log.error("Can not subscribe." + e.getMessage(), e);
    }
}

---

From source file:org.wso2.extension.siddhi.io.jms.sink.util.TopicConsumer.java

public void run() {
    // create topic connection
    TopicConnection topicConnection = null;
    try {/*from   www. j av  a 2 s  .  c  o  m*/
        topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
    } catch (JMSException e) {
        log.error("Can not create topic connection." + e.getMessage(), e);
        return;
    }
    Session session = null;
    try {
        session = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createTopic(topicName);
        MessageConsumer consumer = session.createConsumer(destination);
        log.info("Listening for messages");
        while (active) {
            Message message = consumer.receive(1000);
            if (message != null) {
                resultContainer.eventReceived(message);
                if (message instanceof MapMessage) {
                    MapMessage mapMessage = (MapMessage) message;
                    Map<String, Object> map = new HashMap<String, Object>();
                    Enumeration enumeration = mapMessage.getMapNames();
                    while (enumeration.hasMoreElements()) {
                        String key = (String) enumeration.nextElement();
                        map.put(key, mapMessage.getObject(key));
                    }
                    log.info("Received Map Message : " + map);
                } else if (message instanceof TextMessage) {
                    log.info("Received Text Message : " + ((TextMessage) message).getText());
                } else {
                    log.info("Received message : " + message.toString());
                }
            }
        }
        log.info("Finished listening for messages.");
        session.close();
        topicConnection.stop();
        topicConnection.close();
    } catch (JMSException e) {
        log.error("Can not subscribe." + e.getMessage(), e);
    }
}

---

From source file:org.apache.falcon.messaging.FeedProducerTest.java

private void consumer() throws JMSException {
    ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(BROKER_URL);
    Connection connection = connectionFactory.createConnection();
    connection.start();//from w  w  w  .  jav  a 2 s .co m

    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createTopic(TOPIC_NAME);
    MessageConsumer consumer = session.createConsumer(destination);

    latch.countDown();
    verifyMesssage(consumer);

    connection.close();
}

---

From source file:org.sakaiproject.kernel.messaging.email.EmailMessagingService.java

public String send(Email email) throws MessagingException, JMSException {
    try {/*from w w  w .  j a v  a2s .  c  om*/
        email.buildMimeMessage();
    } catch (Exception e) {
        // this is a lossy cast. This would be a commons EmailException
        // this up cast is to keep commons-email out of our direct bindings
        throw new MessagingException(e);
    }

    ByteArrayOutputStream os = new ByteArrayOutputStream();
    try {
        email.getMimeMessage().writeTo(os);
    } catch (javax.mail.MessagingException e) {
        throw new MessagingException(e);

    } catch (IOException e) {
        throw new MessagingException(e);
    }

    String content = os.toString();
    Connection conn = connectionFactory.createTopicConnection();
    conn.setClientID(getNextId());
    Session clientSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
    Destination emailTopic = clientSession.createTopic(emailQueueName);
    MessageProducer client = clientSession.createProducer(emailTopic);
    ObjectMessage mesg = clientSession.createObjectMessage(content);
    mesg.setJMSType(emailJmsType);
    client.send(mesg);
    // TODO finish this
    return null;

}

---

From source file:org.apache.flume.source.jms.TestIntegrationActiveMQ.java

private void putTopic(List<String> events) throws Exception {
    ConnectionFactory factory = new ActiveMQConnectionFactory(USERNAME, PASSWORD, BROKER_BIND_URL);
    Connection connection = factory.createConnection();
    connection.start();//from   w  w  w  .  jav a2 s  . com

    Session session = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
    Destination destination = session.createTopic(DESTINATION_NAME);
    MessageProducer producer = session.createProducer(destination);

    for (String event : events) {
        TextMessage message = session.createTextMessage();
        message.setText(event);
        producer.send(message);
    }
    session.commit();
    session.close();
    connection.close();
}

---

From source file:org.wso2.carbon.integration.test.client.JMSConsumerClient.java

public void run() {
    // create topic connection
    TopicConnection topicConnection = null;
    try {//from w  w  w .j av a2s .c  o  m
        topicConnection = topicConnectionFactory.createTopicConnection();
        topicConnection.start();
    } catch (JMSException e) {
        log.error("Can not create topic connection." + e.getMessage(), e);
        return;
    }
    Session session = null;
    try {

        session = topicConnection.createTopicSession(false, Session.AUTO_ACKNOWLEDGE);
        Destination destination = session.createTopic(topicName);
        MessageConsumer consumer = session.createConsumer(destination);
        log.info("Listening for messages");
        while (active) {
            Message message = consumer.receive(1000);
            if (message != null) {
                messageCount++;
                if (message instanceof MapMessage) {
                    MapMessage mapMessage = (MapMessage) message;
                    Map<String, Object> map = new HashMap<String, Object>();
                    Enumeration enumeration = mapMessage.getMapNames();
                    while (enumeration.hasMoreElements()) {
                        String key = (String) enumeration.nextElement();
                        map.put(key, mapMessage.getObject(key));
                    }
                    preservedEventList.add(map);
                    log.info("Received Map Message : \n" + map + "\n");
                } else if (message instanceof TextMessage) {
                    String textMessage = ((TextMessage) message).getText();
                    preservedEventList.add(textMessage);
                    log.info("Received Text Message : \n" + textMessage + "\n");
                } else {
                    preservedEventList.add(message.toString());
                    log.info("Received message : \n" + message.toString() + "\n");
                }
            }
        }
        log.info("Finished listening for messages.");
        session.close();
        topicConnection.stop();
        topicConnection.close();
    } catch (JMSException e) {
        log.error("Can not subscribe." + e.getMessage(), e);
    }
}

---

From source file:io.fabric8.mq.controller.coordination.BrokerJMXPropertiesTest.java

@Test
public void testNumberOfTopicProducers() throws Exception {
    String uriString = brokerService.getDefaultSocketURIString();
    ConnectionFactory factory = new ActiveMQConnectionFactory(uriString);
    Connection connection = factory.createConnection();
    connection.start();/*from  w w w .  j a  v a2 s .c o  m*/
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    int numberOfProducers = 10;
    List<MessageProducer> producers = new ArrayList<>();
    Topic topic = session.createTopic("topic.test");
    for (int i = 0; i < numberOfProducers; i++) {

        MessageProducer producer = session.createProducer(topic);
        producers.add(producer);

    }
    ObjectName root = BrokerJmxUtils.getRoot(client);
    Assert.assertNotNull(root);
    List<ObjectName> list = BrokerJmxUtils.getDestinations(client, root, "Topic");
    Assert.assertNotNull(list);
    Assert.assertFalse(list.isEmpty());
    ObjectName result = null;
    for (ObjectName objectName : list) {
        if (objectName.getKeyProperty("destinationName").equals("topic.test")) {
            result = objectName;
        }
    }
    Assert.assertNotNull(result);
    Object producerCount = BrokerJmxUtils.getAttribute(client, result, "ProducerCount");
    Assert.assertNotNull(producerCount);
    int pc = Integer.parseInt(producerCount.toString());
    Assert.assertEquals(pc, numberOfProducers);
    connection.close();
}

---

From source file:org.dawnsci.commandserver.core.producer.AliveConsumer.java

protected void createTerminateListener() throws Exception {

    ConnectionFactory connectionFactory = ConnectionFactoryFacade.createConnectionFactory(uri);
    this.terminateConnection = connectionFactory.createConnection();
    terminateConnection.start();/*from  ww  w. ja va  2s . c o m*/

    Session session = terminateConnection.createSession(false, Session.AUTO_ACKNOWLEDGE);

    final Topic topic = session.createTopic(Constants.TERMINATE_CONSUMER_TOPIC);
    final MessageConsumer consumer = session.createConsumer(topic);

    final ObjectMapper mapper = new ObjectMapper();

    MessageListener listener = new MessageListener() {
        public void onMessage(Message message) {
            try {
                if (message instanceof TextMessage) {
                    TextMessage t = (TextMessage) message;
                    final ConsumerBean bean = mapper.readValue(t.getText(), ConsumerBean.class);

                    if (bean.getStatus().isFinal()) { // Something else already happened
                        terminateConnection.close();
                        return;
                    }

                    if (consumerId.equals(bean.getConsumerId())) {
                        if (bean.getStatus() == ConsumerStatus.REQUEST_TERMINATE) {
                            System.out.println(getName() + " has been requested to terminate and will exit.");
                            cbean.setStatus(ConsumerStatus.REQUEST_TERMINATE);
                            Thread.currentThread().sleep(2500);
                            System.exit(0);
                        }
                    }

                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }

    };
    consumer.setMessageListener(listener);

}

---

• «
• 1
• 2
• 3
• 4
• 5
• 6
• 7
• 8
• »