/**
* 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.broker.scheduler;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageListener;
import javax.jms.MessageProducer;
import javax.jms.Session;
import java.io.File;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicLong;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ScheduledMessage;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.util.IOHelper;
import org.apache.log4j.BasicConfigurator;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
public class LostScheduledMessagesTest {
private BrokerService broker;
private static final File schedulerDirectory = new File("target/test/ScheduledDB");
private static final File messageDirectory = new File("target/test/MessageDB");
private static final String QUEUE_NAME = "test";
@Before
public void setup() throws Exception {
IOHelper.mkdirs(schedulerDirectory);
IOHelper.deleteChildren(schedulerDirectory);
IOHelper.mkdirs(messageDirectory);
IOHelper.deleteChildren(messageDirectory);
}
private void startBroker() throws Exception {
broker = new BrokerService();
broker.setSchedulerSupport(true);
broker.setPersistent(true);
broker.setDeleteAllMessagesOnStartup(false);
broker.setDataDirectory("target");
broker.setSchedulerDirectoryFile(schedulerDirectory);
broker.setDataDirectoryFile(messageDirectory);
broker.setUseJmx(false);
broker.addConnector("vm://localhost");
broker.start();
}
@After
public void tearDown() throws Exception {
broker.stop();
BasicConfigurator.resetConfiguration();
}
@Test
public void MessagePassedNotUsingScheduling() throws Exception {
doTest(false);
}
@Test
public void MessageLostWhenUsingScheduling() throws Exception {
doTest(true);
}
private void doTest(boolean useScheduling) throws Exception {
int DELIVERY_DELAY_MS = 5000;
startBroker();
long startTime = System.currentTimeMillis();
// Send a message scheduled for delivery in 5 seconds
ConnectionFactory cf = new ActiveMQConnectionFactory("vm://localhost");
Connection connection = cf.createConnection();
connection.start();
Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageProducer producer = session.createProducer(session.createQueue(QUEUE_NAME));
Message message = session.createTextMessage("test");
if (useScheduling) {
message.setLongProperty(ScheduledMessage.AMQ_SCHEDULED_DELAY, DELIVERY_DELAY_MS);
}
producer.send(message);
session.close();
connection.close();
broker.getServices();
// shut down broker
broker.stop();
broker.waitUntilStopped();
// Make sure that broker have stopped within delivery delay
long shutdownTime = System.currentTimeMillis();
assertTrue("Failed to shut down broker in expected time. Test results inconclusive", shutdownTime - startTime < DELIVERY_DELAY_MS);
// make sure that delivery falls into down time window
TimeUnit.MILLISECONDS.sleep(DELIVERY_DELAY_MS);
// Start new broker instance
startBroker();
final AtomicLong receiveCounter = new AtomicLong();
cf = new ActiveMQConnectionFactory("vm://localhost");
connection = cf.createConnection();
connection.start();
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
MessageConsumer consumer = session.createConsumer(session.createQueue(QUEUE_NAME));
consumer.setMessageListener(new MessageListener() {
@Override
public void onMessage(Message message) {
receiveCounter.incrementAndGet();
}
});
// Wait for a while to let MQ process the message
TimeUnit.MILLISECONDS.sleep(DELIVERY_DELAY_MS * 2);
session.close();
connection.close();
assertEquals(1, receiveCounter.get());
}
}