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

Example 21 with TemporaryQueue

use of javax.jms.TemporaryQueue in project activemq-artemis by apache.

the class TemporaryQueueExample method main.

public static void main(final String[] args) throws Exception {
    Connection connection = null;
    InitialContext initialContext = null;
    try {
        // Step 1. Create an initial context to perform the JNDI lookup.
        initialContext = new InitialContext();
        // Step 2. Look-up the JMS connection factory
        ConnectionFactory cf = (ConnectionFactory) initialContext.lookup("ConnectionFactory");
        // Step 3. Create a JMS Connection
        connection = cf.createConnection();
        // Step 4. Start the connection
        connection.start();
        // Step 5. Create a JMS session with AUTO_ACKNOWLEDGE mode
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        // Step 6. Create a Temporary Queue
        TemporaryQueue tempQueue = session.createTemporaryQueue();
        System.out.println("Temporary queue is created: " + tempQueue);
        // Step 7. Create a JMS message producer
        MessageProducer messageProducer = session.createProducer(tempQueue);
        // Step 8. Create a text message
        TextMessage message = session.createTextMessage("This is a text message");
        // Step 9. Send the text message to the queue
        messageProducer.send(message);
        System.out.println("Sent message: " + message.getText());
        // Step 11. Create a message consumer
        MessageConsumer messageConsumer = session.createConsumer(tempQueue);
        // Step 12. Receive the message from the queue
        message = (TextMessage) messageConsumer.receive(5000);
        System.out.println("Received message: " + message.getText());
        // Step 13. Close the consumer and producer
        messageConsumer.close();
        messageProducer.close();
        // Step 14. Delete the temporary queue
        tempQueue.delete();
        // Step 15. Create another temporary queue.
        TemporaryQueue tempQueue2 = session.createTemporaryQueue();
        System.out.println("Another temporary queue is created: " + tempQueue2);
        // Step 16. Close the connection.
        connection.close();
        // Step 17. Create a new connection.
        connection = cf.createConnection();
        // Step 18. Create a new session.
        session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        // Step 19. Try to access the tempQueue2 outside its lifetime
        try {
            messageConsumer = session.createConsumer(tempQueue2);
            throw new Exception("Temporary queue cannot be accessed outside its lifecycle!");
        } catch (JMSException e) {
            System.out.println("Exception got when trying to access a temp queue outside its scope: " + e);
        }
    } finally {
        if (connection != null) {
            // Step 20. Be sure to close our JMS resources!
            connection.close();
        }
        if (initialContext != null) {
            // Step 21. Also close the initialContext!
            initialContext.close();
        }
    }
}

Example 22 with TemporaryQueue

use of javax.jms.TemporaryQueue in project activemq-artemis by apache.

the class DynamicallyIncludedDestinationsDuplexNetworkTest method testTempQueues.

@Test
public void testTempQueues() throws Exception {
    TemporaryQueue temp = localSession.createTemporaryQueue();
    MessageProducer producer = localSession.createProducer(temp);
    producer.send(localSession.createTextMessage("test"));
    Thread.sleep(100);
    assertEquals("Destination not created", 1, remoteBroker.getAdminView().getTemporaryQueues().length);
    temp.delete();
    Thread.sleep(100);
    assertEquals("Destination not deleted", 0, remoteBroker.getAdminView().getTemporaryQueues().length);
}

Example 23 with TemporaryQueue

use of javax.jms.TemporaryQueue in project activemq-artemis by apache.

the class BasicSecurityTest method testCreateTempDestinationAuthorization.

@Test
public void testCreateTempDestinationAuthorization() throws Exception {
    Connection conn1 = null;
    Connection conn2 = null;
    // Sender
    try {
        conn1 = factory.createConnection("openwireGuest", "GuEsT");
        conn1.start();
        conn2 = factory.createConnection("openwireDestinationManager", "DeStInAtIoN");
        conn2.start();
        Session session1 = conn1.createSession(false, Session.AUTO_ACKNOWLEDGE);
        try {
            session1.createTemporaryQueue();
            fail("user shouldn't be able to create temp queue");
        } catch (JMSSecurityException e) {
        // expected
        }
        Session session2 = conn2.createSession(false, Session.AUTO_ACKNOWLEDGE);
        TemporaryQueue q = session2.createTemporaryQueue();
        assertNotNull(q);
    } finally {
        if (conn1 != null) {
            conn1.close();
        }
        if (conn2 != null) {
            conn2.close();
        }
    }
}

Example 24 with TemporaryQueue

use of javax.jms.TemporaryQueue in project activemq-artemis by apache.

the class SimpleOpenWireTest method testSimpleTempQueue.

@Test
public void testSimpleTempQueue() throws Exception {
    AddressSettings addressSetting = new AddressSettings();
    addressSetting.setAutoCreateQueues(true);
    addressSetting.setAutoCreateAddresses(true);
    String address = "#";
    server.getAddressSettingsRepository().addMatch(address, addressSetting);
    connection.start();
    Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    System.out.println("creating temp queue");
    TemporaryQueue tempQueue = session.createTemporaryQueue();
    System.out.println("create consumer 1");
    MessageConsumer consumer1 = session.createConsumer(tempQueue);
    System.out.println("create producer");
    MessageProducer producer = session.createProducer(tempQueue);
    System.out.println("sending messages");
    final int num = 1;
    final String msgBase = "MfromAMQ-";
    for (int i = 0; i < num; i++) {
        TextMessage msg = session.createTextMessage("MfromAMQ-" + i);
        producer.send(msg);
        System.out.println("Sent a message");
    }
    // receive
    System.out.println("receiving messages...");
    for (int i = 0; i < num; i++) {
        TextMessage msg = (TextMessage) consumer1.receive(5000);
        System.out.println("received: " + msg);
        String content = msg.getText();
        assertEquals(msgBase + i, content);
    }
    assertNull(consumer1.receive(500));
    session.close();
}

Example 25 with TemporaryQueue

use of javax.jms.TemporaryQueue in project activemq-artemis by apache.

the class ThreeBrokerTempQueueNetworkTest method testTempQueueRecovery.

// this actually uses 4 brokers ...
public void testTempQueueRecovery() throws Exception {
    // Setup broker networks
    bridgeBrokers("BrokerA", "BrokerB", false, 3);
    bridgeBrokers("BrokerB", "BrokerC", false, 3);
    startAllBrokers();
    BrokerItem brokerItem = brokers.get("BrokerC");
    Connection conn = brokerItem.createConnection();
    conn.start();
    Session sess = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
    TemporaryQueue tempQ = sess.createTemporaryQueue();
    Thread.sleep(5000);
    for (Iterator<BrokerItem> i = brokers.values().iterator(); i.hasNext(); ) {
        BrokerItem bi = i.next();
        assertEquals("No queues on broker " + bi.broker.getBrokerName(), 1, bi.broker.getAdminView().getTemporaryQueues().length);
    }
    createBroker(new URI("broker:(tcp://localhost:61619)/BrokerD?persistent=false&useJmx=true"));
    bridgeBrokers("BrokerD", "BrokerA", false, 3);
    BrokerItem newBroker = brokers.get("BrokerD");
    newBroker.broker.start();
    Thread.sleep(1000);
    assertEquals("No queues on broker D", 1, newBroker.broker.getAdminView().getTemporaryQueues().length);
    tempQ.delete();
    Thread.sleep(2000);
    for (Iterator<BrokerItem> i = brokers.values().iterator(); i.hasNext(); ) {
        BrokerItem bi = i.next();
        assertEquals("Temp queue left behind on broker " + bi.broker.getBrokerName(), 0, bi.broker.getAdminView().getTemporaryQueues().length);
    }
}