Examples with Topic javax.jms.Topic used on opensource projects

Example 66 with Topic

use of javax.jms.Topic in project ignite by apache.

the class JmsStreamer method start.

/**
 * Starts streamer.
 *
 * @throws IgniteException If failed.
 */
public void start() throws IgniteException {
    if (!stopped)
        throw new IgniteException("Attempted to start an already started JMS Streamer");
    try {
        A.notNull(getStreamer(), "streamer");
        A.notNull(getIgnite(), "ignite");
        log = getIgnite().log();
        A.notNull(transformer, "message transformer");
        A.notNull(connectionFactory, "connection factory");
        A.ensure(threads > 0, "threads > 0");
        // handle batched && transacted parameter interaction
        if (batched && !transacted) {
            log.warning("Starting a Batched JMS Streamer without transacted flag = true. Setting it automatically.");
            transacted = true;
        }
        // handle batch completion criteria
        if (batched) {
            A.ensure(batchClosureMillis > 0 || batchClosureSize > 0, "at least one of batch closure size or " + "batch closure frequency must be specified when using batch consumption");
        }
        // check the parameters needed for durable subscriptions, if enabled
        if (durableSubscription) {
            A.notNullOrEmpty(clientId, "client id is compulsory when using durable subscriptions");
            A.notNullOrEmpty(durableSubscriptionName, "durable subscription name is compulsory when using " + "durable subscriptions");
        }
        // else make sure that the destinationName and the destinationType are valid
        if (destination == null) {
            A.notNull(destinationType, "destination type");
            A.ensure(destinationType.isAssignableFrom(Queue.class) || destinationType.isAssignableFrom(Topic.class), "this streamer can only handle Queues or Topics.");
            A.notNullOrEmpty(destinationName, "destination or destination name");
        } else if (destination instanceof Queue) {
            destinationType = Queue.class;
        } else if (destination instanceof Topic) {
            destinationType = Topic.class;
        } else {
            throw new IllegalArgumentException("Invalid destination object. Can only handle Queues or Topics.");
        }
        // create a new connection and the client iD if relevant.
        connection = connectionFactory.createConnection();
        if (clientId != null && clientId.trim().length() > 0) {
            connection.setClientID(clientId.trim());
        }
        // build the JMS objects
        if (destinationType == Queue.class) {
            initializeJmsObjectsForQueue();
        } else {
            initializeJmsObjectsForTopic();
        }
        stopped = false;
        // start the JMS connection
        connection.start();
        // set up the scheduler service for committing batches
        if (batched && batchClosureMillis > 0) {
            scheduler = Executors.newScheduledThreadPool(1);
            scheduler.schedule(new Runnable() {

                @Override
                public void run() {
                    for (Session session : sessions) {
                        try {
                            session.commit();
                            if (log.isDebugEnabled()) {
                                log.debug("Committing session from time-based batch completion [session=" + session + "]");
                            }
                        } catch (JMSException ignored) {
                            log.warning("Error while committing session: from batch time-based completion " + "[session=" + session + "]");
                        }
                    }
                    for (IgniteJmsMessageListener ml : listeners) {
                        ml.resetBatchCounter();
                    }
                }
            }, batchClosureMillis, TimeUnit.MILLISECONDS);
        }
    } catch (Throwable t) {
        throw new IgniteException("Exception while initializing JmsStreamer", t);
    }
}

Example 67 with Topic

use of javax.jms.Topic in project tech by ffyyhh995511.

the class TopicReceive method init.

public void init() throws Exception {
    ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER, ActiveMQConnection.DEFAULT_PASSWORD, "tcp://127.0.0.1:61616");
    Connection connection = connectionFactory.createConnection();
    connection.start();
    session = connection.createSession(Boolean.FALSE, Session.AUTO_ACKNOWLEDGE);
    Topic topic = session.createTopic("fyhTopic");
    consumer = session.createConsumer(topic);
    consumer.setMessageListener(new MessageListener() {

        public void onMessage(Message message) {
            TextMessage tm = (TextMessage) message;
            System.out.println(tm);
            try {
                System.out.println(tm.getText());
            } catch (JMSException e) {
                e.printStackTrace();
            }
        }
    });
}

Example 68 with Topic

use of javax.jms.Topic in project tech by ffyyhh995511.

the class TopicRequest method init.

public void init() throws Exception {
    // ConnectionFactory连接工厂，JMS用它创建连接
    ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(ActiveMQConnection.DEFAULT_USER, ActiveMQConnection.DEFAULT_PASSWORD, "tcp://127.0.0.1:61616");
    // 从构造工厂中得到连接对象
    connection = connectionFactory.createConnection();
    // 启动
    connection.start();
    // 获取连接操作
    session = connection.createSession(Boolean.FALSE, Session.AUTO_ACKNOWLEDGE);
    Topic topic = session.createTopic("fyhTopic");
    producer = session.createProducer(topic);
    // 设置不持久化
    producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT);
}

Example 69 with Topic

use of javax.jms.Topic in project cxf by apache.

the class JmsPublisher method notify.

@Override
public void notify(NotificationMessageHolderType messageHolder) {
    Session session = null;
    try {
        Topic topic = topicConverter.toActiveMQTopic(messageHolder.getTopic());
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = session.createProducer(topic);
        Notify notify = new Notify();
        notify.getNotificationMessage().add(messageHolder);
        StringWriter writer = new StringWriter();
        jaxbContext.createMarshaller().marshal(notify, writer);
        Message message = session.createTextMessage(writer.toString());
        producer.send(message);
    } catch (JMSException e) {
        LOGGER.log(Level.WARNING, "Error dispatching message", e);
    } catch (JAXBException e) {
        LOGGER.log(Level.WARNING, "Error dispatching message", e);
    } catch (InvalidTopicException e) {
        LOGGER.log(Level.WARNING, "Error dispatching message", e);
    } finally {
        if (session != null) {
            try {
                session.close();
            } catch (JMSException e) {
                LOGGER.log(Level.FINE, "Error closing session", e);
            }
        }
    }
}