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ActiveMQ example source code file (TopicRedeliverTest.java)

This example ActiveMQ source code file (TopicRedeliverTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - ActiveMQ tags/keywords

connection, destination, exception, exception, idgenerator, message, message, messageconsumer, messageproducer, session, session, textmessage, textmessage, topicredelivertest

The ActiveMQ TopicRedeliverTest.java source code

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.activemq.usecases;

import java.util.concurrent.atomic.AtomicBoolean;
import javax.jms.Connection;
import javax.jms.DeliveryMode;
import javax.jms.Destination;
import javax.jms.ExceptionListener;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.jms.Topic;

import org.apache.activemq.test.TestSupport;
import org.apache.activemq.util.IdGenerator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 */
public class TopicRedeliverTest extends TestSupport {

    private static final Logger LOG = LoggerFactory.getLogger(TopicRedeliverTest.class);
    private static final int RECEIVE_TIMEOUT = 10000;

    protected int deliveryMode = DeliveryMode.PERSISTENT;
    private IdGenerator idGen = new IdGenerator();

    public TopicRedeliverTest() {
    }

    public TopicRedeliverTest(String n) {
        super(n);
    }

    protected void setUp() throws Exception {
        super.setUp();
        topic = true;
    }

    /**
     * test messages are acknowledged and recovered properly
     * 
     * @throws Exception
     */
    public void testClientAcknowledge() throws Exception {
        Destination destination = createDestination(getClass().getName());
        Connection connection = createConnection();
        connection.setClientID(idGen.generateId());
        connection.start();
        Session consumerSession = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
        MessageConsumer consumer = consumerSession.createConsumer(destination);
        Session producerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = producerSession.createProducer(destination);
        producer.setDeliveryMode(deliveryMode);

        // send some messages

        TextMessage sent1 = producerSession.createTextMessage();
        sent1.setText("msg1");
        producer.send(sent1);

        TextMessage sent2 = producerSession.createTextMessage();
        sent1.setText("msg2");
        producer.send(sent2);

        TextMessage sent3 = producerSession.createTextMessage();
        sent1.setText("msg3");
        producer.send(sent3);

        consumer.receive(RECEIVE_TIMEOUT);
        Message rec2 = consumer.receive(RECEIVE_TIMEOUT);
        consumer.receive(RECEIVE_TIMEOUT);

        // ack rec2
        rec2.acknowledge();

        TextMessage sent4 = producerSession.createTextMessage();
        sent4.setText("msg4");
        producer.send(sent4);

        Message rec4 = consumer.receive(RECEIVE_TIMEOUT);
        assertTrue(rec4.equals(sent4));
        consumerSession.recover();
        rec4 = consumer.receive(RECEIVE_TIMEOUT);
        assertTrue(rec4.equals(sent4));
        assertTrue(rec4.getJMSRedelivered());
        rec4.acknowledge();
        connection.close();

    }

    /**
     * Test redelivered flag is set on rollbacked transactions
     * 
     * @throws Exception
     */
    public void testRedilveredFlagSetOnRollback() throws Exception {
        Destination destination = createDestination(getClass().getName());
        Connection connection = createConnection();
        connection.setClientID(idGen.generateId());
        connection.start();
        Session consumerSession = connection.createSession(true, Session.CLIENT_ACKNOWLEDGE);
        MessageConsumer consumer = null;
        if (topic) {
            consumer = consumerSession.createDurableSubscriber((Topic)destination, "TESTRED");
        } else {
            consumer = consumerSession.createConsumer(destination);
        }
        Session producerSession = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = producerSession.createProducer(destination);
        producer.setDeliveryMode(deliveryMode);

        TextMessage sentMsg = producerSession.createTextMessage();
        sentMsg.setText("msg1");
        producer.send(sentMsg);
        producerSession.commit();

        Message recMsg = consumer.receive(RECEIVE_TIMEOUT);
        assertFalse(recMsg.getJMSRedelivered());
        recMsg = consumer.receive(RECEIVE_TIMEOUT);
        consumerSession.rollback();
        recMsg = consumer.receive(RECEIVE_TIMEOUT);
        assertTrue(recMsg.getJMSRedelivered());
        consumerSession.commit();
        assertTrue(recMsg.equals(sentMsg));
        assertTrue(recMsg.getJMSRedelivered());
        connection.close();
    }

    public void testNoExceptionOnRedeliveryAckWithSimpleTopicConsumer() throws Exception {
        Destination destination = createDestination(getClass().getName());
        Connection connection = createConnection();
        final AtomicBoolean gotException = new AtomicBoolean();
        connection.setExceptionListener(new ExceptionListener() {
            public void onException(JMSException exception) {
                LOG.error("unexpected ex:" + exception);
                    gotException.set(true);
            }
        });
        connection.setClientID(idGen.generateId());
        connection.start();
        Session consumerSession = connection.createSession(true, Session.CLIENT_ACKNOWLEDGE);
        MessageConsumer consumer = null;
        if (topic) {
            consumer = consumerSession.createConsumer((Topic)destination);
        } else {
            consumer = consumerSession.createConsumer(destination);
        }
        Session producerSession = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = producerSession.createProducer(destination);
        producer.setDeliveryMode(deliveryMode);

        TextMessage sentMsg = producerSession.createTextMessage();
        sentMsg.setText("msg1");
        producer.send(sentMsg);
        producerSession.commit();

        Message recMsg = consumer.receive(RECEIVE_TIMEOUT);
        assertFalse(recMsg.getJMSRedelivered());
        recMsg = consumer.receive(RECEIVE_TIMEOUT);
        consumerSession.rollback();
        recMsg = consumer.receive(RECEIVE_TIMEOUT);
        assertTrue(recMsg.getJMSRedelivered());
        consumerSession.rollback();
        recMsg = consumer.receive(RECEIVE_TIMEOUT);
        assertTrue(recMsg.getJMSRedelivered());
        consumerSession.commit();
        assertTrue(recMsg.equals(sentMsg));
        assertTrue(recMsg.getJMSRedelivered());
        connection.close();

        assertFalse("no exception", gotException.get());
    }

    /**
     * Check a session is rollbacked on a Session close();
     * 
     * @throws Exception
     */

    public void xtestTransactionRollbackOnSessionClose() throws Exception {
        Destination destination = createDestination(getClass().getName());
        Connection connection = createConnection();
        connection.setClientID(idGen.generateId());
        connection.start();
        Session consumerSession = connection.createSession(true, Session.CLIENT_ACKNOWLEDGE);
        MessageConsumer consumer = null;
        if (topic) {
            consumer = consumerSession.createDurableSubscriber((Topic)destination, "TESTRED");
        } else {
            consumer = consumerSession.createConsumer(destination);
        }
        Session producerSession = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = producerSession.createProducer(destination);
        producer.setDeliveryMode(deliveryMode);

        TextMessage sentMsg = producerSession.createTextMessage();
        sentMsg.setText("msg1");
        producer.send(sentMsg);

        producerSession.commit();

        Message recMsg = consumer.receive(RECEIVE_TIMEOUT);
        assertFalse(recMsg.getJMSRedelivered());
        consumerSession.close();
        consumerSession = connection.createSession(true, Session.CLIENT_ACKNOWLEDGE);
        consumer = consumerSession.createConsumer(destination);

        recMsg = consumer.receive(RECEIVE_TIMEOUT);
        consumerSession.commit();
        assertTrue(recMsg.equals(sentMsg));
        connection.close();
    }

    /**
     * check messages are actuallly sent on a tx rollback
     * 
     * @throws Exception
     */

    public void testTransactionRollbackOnSend() throws Exception {
        Destination destination = createDestination(getClass().getName());
        Connection connection = createConnection();
        connection.setClientID(idGen.generateId());
        connection.start();
        Session consumerSession = connection.createSession(true, Session.CLIENT_ACKNOWLEDGE);
        MessageConsumer consumer = consumerSession.createConsumer(destination);
        Session producerSession = connection.createSession(true, Session.AUTO_ACKNOWLEDGE);
        MessageProducer producer = producerSession.createProducer(destination);
        producer.setDeliveryMode(deliveryMode);

        TextMessage sentMsg = producerSession.createTextMessage();
        sentMsg.setText("msg1");
        producer.send(sentMsg);
        producerSession.commit();

        Message recMsg = consumer.receive(RECEIVE_TIMEOUT);
        consumerSession.commit();
        assertTrue(recMsg.equals(sentMsg));

        sentMsg = producerSession.createTextMessage();
        sentMsg.setText("msg2");
        producer.send(sentMsg);
        producerSession.rollback();

        sentMsg = producerSession.createTextMessage();
        sentMsg.setText("msg3");
        producer.send(sentMsg);
        producerSession.commit();

        recMsg = consumer.receive(RECEIVE_TIMEOUT);
        assertTrue(recMsg.equals(sentMsg));
        consumerSession.commit();

        connection.close();
    }

}

Other ActiveMQ examples (source code examples)

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