/**
* 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 static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import javax.jms.ConnectionFactory;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.QueueBrowser;
import javax.jms.Session;
import javax.jms.TextMessage;
import javax.management.ObjectName;
import org.apache.activemq.ActiveMQConnection;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.jmx.DestinationViewMBean;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.command.ActiveMQDestination;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
/**
* Test to determine if expired messages are being reaped if there is
* no active consumer connected to the broker.
*/
public class MessageExpirationReaperTest {
private BrokerService broker;
private ConnectionFactory factory;
private ActiveMQConnection connection;
private final String destinationName = "TEST.Q";
private final String brokerUrl = "tcp://localhost:0";
private final String brokerName = "testBroker";
private String connectionUri;
@Before
public void init() throws Exception {
createBroker();
connectionUri = broker.getTransportConnectors().get(0).getPublishableConnectString();
factory = createConnectionFactory();
connection = (ActiveMQConnection) factory.createConnection();
connection.start();
}
@After
public void cleanUp() throws Exception {
connection.close();
broker.stop();
}
protected void createBroker() throws Exception {
broker = new BrokerService();
broker.setDeleteAllMessagesOnStartup(true);
broker.setBrokerName(brokerName);
broker.addConnector(brokerUrl);
PolicyMap policyMap = new PolicyMap();
PolicyEntry defaultEntry = new PolicyEntry();
defaultEntry.setExpireMessagesPeriod(500);
policyMap.setDefaultEntry(defaultEntry);
broker.setDestinationPolicy(policyMap);
broker.start();
}
protected ConnectionFactory createConnectionFactory() throws Exception {
return new ActiveMQConnectionFactory(connectionUri);
}
protected Session createSession() throws Exception {
return connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
}
@Test
public void testExpiredMessageReaping() throws Exception {
Session producerSession = createSession();
ActiveMQDestination destination = (ActiveMQDestination) producerSession.createQueue(destinationName);
MessageProducer producer = producerSession.createProducer(destination);
producer.setTimeToLive(1000);
final int count = 3;
// Send some messages with an expiration
for (int i = 0; i < count; i++) {
TextMessage message = producerSession.createTextMessage("" + i);
producer.send(message);
}
// Let the messages expire
Thread.sleep(2000);
DestinationViewMBean view = createView(destination);
assertEquals("Incorrect inflight count: " + view.getInFlightCount(), 0, view.getInFlightCount());
assertEquals("Incorrect queue size count", 0, view.getQueueSize());
assertEquals("Incorrect expired size count", view.getEnqueueCount(), view.getExpiredCount());
// Send more messages with an expiration
for (int i = 0; i < count; i++) {
TextMessage message = producerSession.createTextMessage("" + i);
producer.send(message);
}
// Let the messages expire
Thread.sleep(2000);
// Simply browse the queue
Session browserSession = createSession();
QueueBrowser browser = browserSession.createBrowser((Queue) destination);
assertFalse("no message in the browser", browser.getEnumeration().hasMoreElements());
// The messages expire and should be reaped because of the presence of
// the queue browser
assertEquals("Wrong inFlightCount: " + view.getInFlightCount(), 0, view.getInFlightCount());
}
protected DestinationViewMBean createView(ActiveMQDestination destination) throws Exception {
String domain = "org.apache.activemq";
ObjectName name;
if (destination.isQueue()) {
name = new ObjectName(domain + ":type=Broker,brokerName=" + brokerName + ",destinationType=Queue,destinationName=" + destinationName);
} else {
name = new ObjectName(domain + ":type=Broker,brokerName=" + brokerName + ",destinationType=Topic,destinationName=" + destinationName);
}
return (DestinationViewMBean) broker.getManagementContext().newProxyInstance(name, DestinationViewMBean.class,
true);
}
}