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

Example 1 with JMSConsumer

use of javax.jms.JMSConsumer in project javaee7-samples by javaee-samples.

the class SubscriptionCreator method createSubscription.

/**
     * We create the subscription at soonest possible time after deployment so we
     * wouldn't miss any message
     */
@PostConstruct
void createSubscription() {
    try (JMSContext jms = factory.createContext()) {
        // <1> This is factory with clientId specified
        // <2> creates durable subscription on the topic
        JMSConsumer consumer = jms.createDurableConsumer(topic, Resources.SUBSCRIPTION);
        consumer.close();
    }
}

Example 2 with JMSConsumer

use of javax.jms.JMSConsumer in project wildfly by wildfly.

the class MessagingServlet method sendAndReceiveMessage.

private String sendAndReceiveMessage(Destination destination, String text) {
    Destination replyTo = context.createTemporaryQueue();
    JMSConsumer consumer = context.createConsumer(replyTo);
    context.createProducer().setJMSReplyTo(replyTo).send(destination, text);
    return consumer.receiveBody(String.class, 5000);
}

Example 3 with JMSConsumer

use of javax.jms.JMSConsumer in project wildfly by wildfly.

the class ExportImportJournalTestCase method receiveMessage.

protected static void receiveMessage(Context ctx, String destinationLookup, boolean expectReceivedMessage, String expectedText) throws NamingException {
    ConnectionFactory cf = (ConnectionFactory) ctx.lookup("jms/RemoteConnectionFactory");
    assertNotNull(cf);
    Destination destination = (Destination) ctx.lookup(destinationLookup);
    assertNotNull(destination);
    try (JMSContext context = cf.createContext("guest", "guest")) {
        JMSConsumer consumer = context.createConsumer(destination);
        String text = consumer.receiveBody(String.class, 5000);
        if (expectReceivedMessage) {
            assertNotNull(text);
            assertEquals(expectedText, text);
        } else {
            assertNull("should not have received any message", text);
        }
    }
}

Example 4 with JMSConsumer

use of javax.jms.JMSConsumer in project wildfly by wildfly.

the class TransactionScopedJMSContextTestCase method sendAndReceiveWithContext.

@Test
public void sendAndReceiveWithContext() throws JMSException, InterruptedException {
    int numThreads = 5;
    int numMessages = 10;
    launcher.start(numThreads, numMessages);
    int receivedMessages = 0;
    try (JMSContext context = factory.createContext()) {
        JMSConsumer consumer = context.createConsumer(queue);
        Message m;
        do {
            m = consumer.receive(1000);
            if (m != null) {
                receivedMessages++;
            }
        } while (m != null);
    }
    assertEquals(numThreads * numMessages, receivedMessages);
}

Example 5 with JMSConsumer

use of javax.jms.JMSConsumer in project wildfly by wildfly.

the class InjectedJMSContextTestCase method tearDown.

@After
public void tearDown() throws JMSException {
    // drain the queue to remove any pending messages from it
    try (JMSContext context = factory.createContext()) {
        JMSConsumer consumer = context.createConsumer(queue);
        Message m;
        do {
            m = consumer.receiveNoWait();
        } while (m != null);
    }
}