Package javax.jms

Examples of javax.jms.TopicSubscriber

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        Session sess = conn.createSession(true, Session.SESSION_TRANSACTED);
        conn.start();

        // create kipper
        Topic kipper = sess.createTopic("kipper");
        TopicSubscriber subscriber = sess.createDurableSubscriber(kipper, "kipper");

        subscriber.close();
        try
        {
            sess.unsubscribe("kipper");

            //Do something to show connection is active.
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        Session sess = conn.createSession(true, Session.SESSION_TRANSACTED);
        conn.start();

        // create kipper
        Topic kipper = sess.createTopic("kipper");
        TopicSubscriber subscriber = sess.createDurableSubscriber(kipper, "kipper");

        subscriber.close();
        sess.unsubscribe("kipper");

        //Do something to show connection is active.
        sess.rollback();
        conn.close();
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                                                        Subscription subscription)
            throws JMSException
        {
            TopicSession session = createTopicSession((TopicConnection)connection,
                                                      subscription.m_ackMode);
            TopicSubscriber subscriber = createSubscriber(session,
                                                (TopicSubscription)subscription);
            return new TopicListenerSession(session, subscriber,
                                                (TopicSubscription)subscription);
        }
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        addCombinationValues("prefetchVal", new Object[] {new Integer(1000), new Integer(MSG_NUM/4)});
    }
   
    public void testDurableSubs() throws Exception {
        ActiveMQTopic topic = (ActiveMQTopic)sess.createTopic("TEST");
        TopicSubscriber sub = sess.createDurableSubscriber(topic, "priority");
        sub.close();
       
        ProducerThread lowPri = new ProducerThread(topic, MSG_NUM, LOW_PRI);
        ProducerThread highPri = new ProducerThread(topic, MSG_NUM, HIGH_PRI);
       
        lowPri.start();
        highPri.start();
       
        lowPri.join();
        highPri.join();
       
        sub = sess.createDurableSubscriber(topic, "priority");
        for (int i = 0; i < MSG_NUM * 2; i++) {
            Message msg = sub.receive(5000);
            assertNotNull("Message " + i + " was null", msg);
            assertEquals("Message " + i + " has wrong priority", i < MSG_NUM ? HIGH_PRI : LOW_PRI, msg.getJMSPriority());
        }


        // verify that same broker/store can deal with non priority dest also
        topic = (ActiveMQTopic)sess.createTopic("HAS_NO_PRIORITY");
        sub = sess.createDurableSubscriber(topic, "no_priority");
        sub.close();

        lowPri = new ProducerThread(topic, MSG_NUM, LOW_PRI);
        highPri = new ProducerThread(topic, MSG_NUM, HIGH_PRI);

        lowPri.start();
        highPri.start();

        lowPri.join();
        highPri.join();

        sub = sess.createDurableSubscriber(topic, "no_priority");
        // verify we got them all
        for (int i = 0; i < MSG_NUM * 2; i++) {
            Message msg = sub.receive(5000);
            assertNotNull("Message " + i + " was null", msg);
        }

    }
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    }
   
    public void testDurableSubsReconnect() throws Exception {
        ActiveMQTopic topic = (ActiveMQTopic)sess.createTopic("TEST");
        final String subName = "priorityDisconnect";
        TopicSubscriber sub = sess.createDurableSubscriber(topic, subName);
        sub.close();

        ProducerThread lowPri = new ProducerThread(topic, MSG_NUM, LOW_PRI);
        ProducerThread highPri = new ProducerThread(topic, MSG_NUM, HIGH_PRI);

        lowPri.start();
        highPri.start();

        lowPri.join();
        highPri.join();


        final int closeFrequency = MSG_NUM/4;
        sub = sess.createDurableSubscriber(topic, subName);
        for (int i = 0; i < MSG_NUM * 2; i++) {
            Message msg = sub.receive(15000);
            LOG.debug("received i=" + i + ", " + (msg!=null? msg.getJMSMessageID() : null));
            assertNotNull("Message " + i + " was null", msg);
            assertEquals("Message " + i + " has wrong priority", i < MSG_NUM ? HIGH_PRI : LOW_PRI, msg.getJMSPriority());
            if (i>0 && i%closeFrequency==0) {
                LOG.info("Closing durable sub.. on: " + i);
                sub.close();
                sub = sess.createDurableSubscriber(topic, subName);
            }
        }
    }
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    // this cannot be a general test as kahaDB just has support for 3 priority levels
    public void testDurableSubsReconnectWithFourLevels() throws Exception {
        ActiveMQTopic topic = (ActiveMQTopic) sess.createTopic("TEST");
        final String subName = "priorityDisconnect";
        TopicSubscriber sub = sess.createDurableSubscriber(topic, subName);
        sub.close();

        final int MED_PRI = LOW_PRI + 1;
        final int MED_HIGH_PRI = HIGH_PRI - 1;

        ProducerThread lowPri = new ProducerThread(topic, MSG_NUM, LOW_PRI);
        ProducerThread medPri = new ProducerThread(topic, MSG_NUM, MED_PRI);
        ProducerThread medHighPri = new ProducerThread(topic, MSG_NUM, MED_HIGH_PRI);
        ProducerThread highPri = new ProducerThread(topic, MSG_NUM, HIGH_PRI);

        lowPri.start();
        highPri.start();
        medPri.start();
        medHighPri.start();

        lowPri.join();
        highPri.join();
        medPri.join();
        medHighPri.join();


        final int closeFrequency = MSG_NUM;
        final int[] priorities = new int[]{HIGH_PRI, MED_HIGH_PRI, MED_PRI, LOW_PRI};
        sub = sess.createDurableSubscriber(topic, subName);
        for (int i = 0; i < MSG_NUM * 4; i++) {
            Message msg = sub.receive(10000);
            LOG.debug("received i=" + i + ", m=" + (msg!=null?
                    msg.getJMSMessageID() + ", priority: " + msg.getJMSPriority()
                    : null) );
            assertNotNull("Message " + i + " was null", msg);
            assertEquals("Message " + i + " has wrong priority", priorities[i / MSG_NUM], msg.getJMSPriority());
            if (i > 0 && i % closeFrequency == 0) {
                LOG.info("Closing durable sub.. on: " + i);
                sub.close();
                sub = sess.createDurableSubscriber(topic, subName);
            }
        }
        LOG.info("closing on done!");
        sub.close();
    }
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        Connection consumerConn = factory.createConnection();
        consumerConn.setClientID("priorityDisconnect");
        consumerConn.start();
        Session consumerSession = consumerConn.createSession(false, Session.AUTO_ACKNOWLEDGE);

        TopicSubscriber sub = consumerSession.createDurableSubscriber(topic, subName);
        sub.close();

        final int maxPriority = 5;

        final AtomicInteger[] messageCounts = new AtomicInteger[maxPriority];
        Vector<ProducerThread> producers = new Vector<ProducerThread>();
        for (int priority=0; priority <maxPriority; priority++) {
            producers.add(new ProducerThread(topic, MSG_NUM, priority));
            messageCounts[priority] = new AtomicInteger(0);
        }

        for (ProducerThread producer : producers) {
            producer.start();
        }

        final int closeFrequency = MSG_NUM/2;
        HashMap dups = new HashMap();
        sub = consumerSession.createDurableSubscriber(topic, subName);
        for (int i=0; i < MSG_NUM * maxPriority; i++) {
            Message msg = sub.receive(10000);
            LOG.debug("received i=" + i + ", m=" + (msg!=null?
                    msg.getJMSMessageID() + ", priority: " + msg.getJMSPriority()
                    : null) );
            assertNull("no duplicate message failed on : " + msg.getJMSMessageID(), dups.put(msg.getJMSMessageID(), subName));           
            assertNotNull("Message " + i + " was null", msg);
            messageCounts[msg.getJMSPriority()].incrementAndGet();
            if (i > 0 && i % closeFrequency == 0) {
                LOG.info("Closing durable sub.. on: " + i + ", counts: " + Arrays.toString(messageCounts));
                sub.close();
                sub = consumerSession.createDurableSubscriber(topic, subName);
            }
        }
        LOG.info("closing on done!");
        sub.close();
        consumerSession.close();
        consumerConn.close();

        for (ProducerThread producer : producers) {
            producer.join();
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                }
            }
        };

        for (int i = 1; i <= numDurableSubs; i++) {
            TopicSubscriber sub = consumerSession.createDurableSubscriber(topic, "subName" + i);
            sub.setMessageListener(listener);
            duralbeSubs.add(sub);
        }
    }
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        Connection connection = createConnection();
        connection.setClientID("cliID");
        connection.start();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        TopicSubscriber subscriber = session.createDurableSubscriber((Topic) createDestination(), "subName");
        subscriber.close();
        connection.close();

        connection = createConnection();
        connection.start();
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = session.createProducer(createDestination());
        producer.send(session.createMessage());
        connection.close();

        connection = createConnection();
        connection.setClientID("cliID");
        connection.start();
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        subscriber = session.createDurableSubscriber((Topic) createDestination(), "subName");
        Message message = subscriber.receive(1 * 1000);
        subscriber.close();
        connection.close();

        assertNotNull("Message not received.", message);
    }
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        conn = cf.createConnection();
        conn.setClientID("zeke");
 
        Session s = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
 
        TopicSubscriber dursub = s.createDurableSubscriber(topic1, "dursub0");
 
        try
        {
           s.unsubscribe("dursub0");
           fail();
        }
        catch (IllegalStateException e)
        {
           //Ok - it is illegal to ubscribe a subscription if it has active consumers
        }
          
        dursub.close();
       
        s.unsubscribe("dursub0");
      }
      finally
      {
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