/*
* 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 static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicBoolean;
import javax.jms.Connection;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.ActiveMQSession;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQTopic;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TestName;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class TopicSubscriptionZeroPrefetchTest {
private static final Logger LOG = LoggerFactory.getLogger(TopicSubscriptionZeroPrefetchTest.class);
@Rule
public TestName name = new TestName();
private Connection connection;
private Session session;
private ActiveMQTopic destination;
private MessageProducer producer;
private MessageConsumer consumer;
private BrokerService brokerService;
public String getTopicName() {
return name.getMethodName();
}
@Before
public void setUp() throws Exception {
brokerService = createBroker();
ActiveMQConnectionFactory activeMQConnectionFactory = new ActiveMQConnectionFactory("vm://localhost");
activeMQConnectionFactory.setWatchTopicAdvisories(true);
connection = activeMQConnectionFactory.createConnection();
connection.setClientID("ClientID-1");
session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
destination = new ActiveMQTopic(getTopicName());
producer = session.createProducer(destination);
connection.start();
}
/*
* test non durable topic subscription with prefetch set to zero
*/
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZero() throws Exception {
ActiveMQTopic consumerDestination = new ActiveMQTopic(getTopicName() + "?consumer.retroactive=true&consumer.prefetchSize=0");
consumer = session.createConsumer(consumerDestination);
// publish messages
Message txtMessage = session.createTextMessage("M");
producer.send(txtMessage);
Message consumedMessage = consumer.receiveNoWait();
Assert.assertNotNull("should have received a message the published message", consumedMessage);
}
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZeroClientAckLoopReceive() throws Exception {
ActiveMQTopic consumerDestination = new ActiveMQTopic(getTopicName() + "?consumer.retroactive=true&consumer.prefetchSize=0");
Session consumerClientAckSession = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
consumer = consumerClientAckSession.createConsumer(consumerDestination);
final int count = 10;
for (int i = 0; i < count; i++) {
Message txtMessage = session.createTextMessage("M:" + i);
producer.send(txtMessage);
}
for (int i = 0; i < count; i++) {
Message consumedMessage = consumer.receive();
Assert.assertNotNull("should have received message[" + i + "]", consumedMessage);
}
}
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZeroClientAckLoopTimedReceive() throws Exception {
ActiveMQTopic consumerDestination = new ActiveMQTopic(getTopicName() + "?consumer.retroactive=true&consumer.prefetchSize=0");
Session consumerClientAckSession = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
consumer = consumerClientAckSession.createConsumer(consumerDestination);
final int count = 10;
for (int i = 0; i < count; i++) {
Message txtMessage = session.createTextMessage("M:" + i);
producer.send(txtMessage);
}
for (int i = 0; i < count; i++) {
Message consumedMessage = consumer.receive(2000);
Assert.assertNotNull("should have received message[" + i + "]", consumedMessage);
}
}
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZeroClientAckLoopReceiveNoWait() throws Exception {
ActiveMQTopic consumerDestination = new ActiveMQTopic(getTopicName() + "?consumer.retroactive=true&consumer.prefetchSize=0");
Session consumerClientAckSession = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE);
consumer = consumerClientAckSession.createConsumer(consumerDestination);
final int count = 10;
for (int i = 0; i < count; i++) {
Message txtMessage = session.createTextMessage("M:" + i);
producer.send(txtMessage);
}
for (int i = 0; i < count; i++) {
Message consumedMessage = consumer.receiveNoWait();
Assert.assertNotNull("should have received message[" + i + "]", consumedMessage);
}
}
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZeroConcurrentProduceConsumeAutoAck() throws Exception {
doTestTopicConsumerPrefetchZeroConcurrentProduceConsume(Session.AUTO_ACKNOWLEDGE);
}
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZeroConcurrentProduceConsumeClientAck() throws Exception {
doTestTopicConsumerPrefetchZeroConcurrentProduceConsume(Session.CLIENT_ACKNOWLEDGE);
}
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZeroConcurrentProduceConsumeDupsOk() throws Exception {
doTestTopicConsumerPrefetchZeroConcurrentProduceConsume(Session.DUPS_OK_ACKNOWLEDGE);
}
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZeroConcurrentProduceConsumeTransacted() throws Exception {
doTestTopicConsumerPrefetchZeroConcurrentProduceConsume(Session.SESSION_TRANSACTED);
}
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZeroConcurrentProduceConsumeTransactedComitInBatches() throws Exception {
doTestTopicConsumerPrefetchZeroConcurrentProduceConsume(Session.SESSION_TRANSACTED);
}
@Test(timeout = 60000)
public void testTopicConsumerPrefetchZeroConcurrentProduceConsumeIndividual() throws Exception {
doTestTopicConsumerPrefetchZeroConcurrentProduceConsume(ActiveMQSession.INDIVIDUAL_ACKNOWLEDGE);
}
private void doTestTopicConsumerPrefetchZeroConcurrentProduceConsume(int ackMode) throws Exception {
doTestTopicConsumerPrefetchZeroConcurrentProduceConsume(ackMode, false);
}
private void doTestTopicConsumerPrefetchZeroConcurrentProduceConsume(int ackMode, boolean commitBatch) throws Exception {
ActiveMQTopic consumerDestination = new ActiveMQTopic(getTopicName() + "?consumer.retroactive=true&consumer.prefetchSize=0");
Session consumerSession = connection.createSession(ackMode == Session.SESSION_TRANSACTED, ackMode);
consumer = consumerSession.createConsumer(consumerDestination);
final int MSG_COUNT = 2000;
final AtomicBoolean error = new AtomicBoolean();
final CountDownLatch done = new CountDownLatch(MSG_COUNT);
ExecutorService executor = Executors.newSingleThreadExecutor();
executor.execute(new Runnable() {
@Override
public void run() {
try {
for (int i = 0; i < MSG_COUNT; i++) {
Message consumedMessage = consumer.receive();
if (consumedMessage != null) {
done.countDown();
consumedMessage.acknowledge();
if (ackMode == Session.SESSION_TRANSACTED && commitBatch && ((i + 1) % 50) == 0) {
consumerSession.commit();
}
}
}
} catch (Exception ex) {
LOG.error("Caught exception during receive: {}", ex);
error.set(true);
} finally {
if (ackMode == Session.SESSION_TRANSACTED) {
try {
consumerSession.commit();
} catch (JMSException e) {
LOG.error("Caught exception on commit: {}", e);
error.set(true);
}
}
}
}
});
for (int i = 0; i < MSG_COUNT; i++) {
Message txtMessage = session.createTextMessage("M:" + i);
producer.send(txtMessage);
}
assertFalse("Should not have gotten any errors", error.get());
assertTrue("Should have read all messages", done.await(10, TimeUnit.SECONDS));
}
/*
* test durable topic subscription with prefetch zero
*/
@Test(timeout = 60000)
public void testDurableTopicConsumerPrefetchZero() throws Exception {
ActiveMQTopic consumerDestination = new ActiveMQTopic(getTopicName() + "?consumer.prefetchSize=0");
consumer = session.createDurableSubscriber(consumerDestination, "mysub1");
// publish messages
Message txtMessage = session.createTextMessage("M");
producer.send(txtMessage);
Message consumedMessage = consumer.receive(100);
Assert.assertNotNull("should have received a message the published message", consumedMessage);
}
@After
public void tearDown() throws Exception {
consumer.close();
producer.close();
session.close();
connection.close();
brokerService.stop();
}
// helper method to create a broker with slow consumer advisory turned on
private BrokerService createBroker() throws Exception {
BrokerService broker = new BrokerService();
broker.setBrokerName("localhost");
broker.setUseJmx(false);
broker.setDeleteAllMessagesOnStartup(true);
broker.addConnector("vm://localhost");
broker.start();
broker.waitUntilStarted();
return broker;
}
}