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ActiveMQ example source code file (JmsDurableTopicSlowReceiveTest.java)

This example ActiveMQ source code file (JmsDurableTopicSlowReceiveTest.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

activemqconnectionfactory, brokerservice, brokerservice, connection, exception, exception, jmsdurabletopicslowreceivetest, msize, nmsg, nmsg, properties, session, session, thread, util

The ActiveMQ JmsDurableTopicSlowReceiveTest.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.bugs;

import java.util.Properties;

import javax.jms.BytesMessage;
import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import javax.jms.Topic;
import javax.jms.TopicSubscriber;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.test.JmsTopicSendReceiveTest;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
 * 
 */
public class JmsDurableTopicSlowReceiveTest extends JmsTopicSendReceiveTest {
    
    static final int NMSG = 200;
    static final int MSIZE = 256000;
    private static final transient Logger LOG = LoggerFactory.getLogger(JmsDurableTopicSlowReceiveTest.class);
    private static final String COUNT_PROPERY_NAME = "count";

    protected Connection connection2;
    protected Session session2;
    protected Session consumeSession2;
    protected MessageConsumer consumer2;
    protected MessageProducer producer2;
    protected Destination consumerDestination2;
    BrokerService broker;
    private Connection connection3;
    private Session consumeSession3;
    private TopicSubscriber consumer3;

    /**
     * Set up a durable suscriber test.
     * 
     * @see junit.framework.TestCase#setUp()
     */
    protected void setUp() throws Exception {
        this.durable = true;
        broker = createBroker();
        super.setUp();
    }

    protected void tearDown() throws Exception {
        super.tearDown();
        broker.stop();
    }

    protected ActiveMQConnectionFactory createConnectionFactory() throws Exception {
        ActiveMQConnectionFactory result = new ActiveMQConnectionFactory("vm://localhost?async=false");
        Properties props = new Properties();
        props.put("prefetchPolicy.durableTopicPrefetch", "5");
        props.put("prefetchPolicy.optimizeDurableTopicPrefetch", "5");
        result.setProperties(props);
        return result;
    }

    protected BrokerService createBroker() throws Exception {
        BrokerService answer = new BrokerService();
        configureBroker(answer);
        answer.start();
        return answer;
    }

    protected void configureBroker(BrokerService answer) throws Exception {
        answer.setDeleteAllMessagesOnStartup(true);
    }

    /**
     * Test if all the messages sent are being received.
     * 
     * @throws Exception
     */
    public void testSlowReceiver() throws Exception {
        connection2 = createConnection();
        connection2.setClientID("test");
        connection2.start();
        consumeSession2 = connection2.createSession(false, Session.AUTO_ACKNOWLEDGE);
        session2 = connection2.createSession(false, Session.AUTO_ACKNOWLEDGE);
        consumerDestination2 = session2.createTopic(getConsumerSubject() + "2");
        consumer2 = consumeSession2.createDurableSubscriber((Topic)consumerDestination2, getName());

        consumer2.close();
        connection2.close();
        new Thread(new Runnable() {

            public void run() {
                try {
                    int count = 0;
                    for (int loop = 0; loop < 4; loop++) {
                        connection2 = createConnection();
                        connection2.start();
                        session2 = connection2.createSession(false, Session.AUTO_ACKNOWLEDGE);
                        producer2 = session2.createProducer(null);
                        producer2.setDeliveryMode(deliveryMode);
                        Thread.sleep(1000);
                        for (int i = 0; i < NMSG / 4; i++) {
                            BytesMessage message = session2.createBytesMessage();
                            message.writeBytes(new byte[MSIZE]);
                            message.setStringProperty("test", "test");
                            message.setIntProperty(COUNT_PROPERY_NAME, count);
                            message.setJMSType("test");
                            producer2.send(consumerDestination2, message);
                            Thread.sleep(50);
                            if (verbose) {
                                LOG.debug("Sent(" + loop + "): " + i);
                            }
                            count++;
                        }
                        producer2.close();
                        connection2.stop();
                        connection2.close();
                    }
                } catch (Throwable e) {
                    e.printStackTrace();
                }
            }
        }, "SENDER Thread").start();
        connection3 = createConnection();
        connection3.setClientID("test");
        connection3.start();
        consumeSession3 = connection3.createSession(false, Session.CLIENT_ACKNOWLEDGE);
        consumer3 = consumeSession3.createDurableSubscriber((Topic)consumerDestination2, getName());
        connection3.close();
        int count = 0;
        for (int loop = 0; loop < 4; ++loop) {
            connection3 = createConnection();
            connection3.setClientID("test");
            connection3.start();
            consumeSession3 = connection3.createSession(false, Session.CLIENT_ACKNOWLEDGE);
            consumer3 = consumeSession3.createDurableSubscriber((Topic)consumerDestination2, getName());
            Message msg = null;
            int i;
            for (i = 0; i < NMSG / 4; i++) {
                msg = consumer3.receive(10000);
                if (msg == null) {
                    break;
                }
                if (verbose) {
                    LOG.debug("Received(" + loop + "): " + i + " count = " + msg.getIntProperty(COUNT_PROPERY_NAME));
                }
                assertNotNull(msg);
                assertEquals(msg.getJMSType(), "test");
                assertEquals(msg.getStringProperty("test"), "test");
                assertEquals("Messages received out of order", count, msg.getIntProperty(COUNT_PROPERY_NAME));
                Thread.sleep(500);
                msg.acknowledge();
                count++;
            }
            consumer3.close();
            assertEquals("Receiver " + loop, NMSG / 4, i);
            connection3.close();
        }
    }
}

Other ActiveMQ examples (source code examples)

Here is a short list of links related to this ActiveMQ JmsDurableTopicSlowReceiveTest.java source code file:

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