/**
* 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;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.JMSException;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQQueue;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
public class ExclusiveConsumerTest {
private static final String VM_BROKER_URL = "vm://localhost";
private BrokerService brokerService;
@Before
public void setUp() throws Exception {
brokerService = new BrokerService();
brokerService.setPersistent(false);
brokerService.setUseJmx(false);
brokerService.setSchedulerSupport(false);
brokerService.setAdvisorySupport(false);
brokerService.start();
}
@After
public void tearDown() throws Exception {
if (brokerService != null) {
brokerService.stop();
brokerService = null;
}
}
private Connection createConnection(final boolean start) throws JMSException {
ConnectionFactory cf = new ActiveMQConnectionFactory(VM_BROKER_URL);
Connection conn = cf.createConnection();
if (start) {
conn.start();
}
return conn;
}
@Test(timeout = 60000)
public void testExclusiveConsumerSelectedCreatedFirst() throws JMSException, InterruptedException {
Connection conn = createConnection(true);
Session exclusiveSession = null;
Session fallbackSession = null;
Session senderSession = null;
try {
exclusiveSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
fallbackSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
senderSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
ActiveMQQueue exclusiveQueue = new ActiveMQQueue("TEST.QUEUE1?consumer.exclusive=true");
MessageConsumer exclusiveConsumer = exclusiveSession.createConsumer(exclusiveQueue);
ActiveMQQueue fallbackQueue = new ActiveMQQueue("TEST.QUEUE1");
MessageConsumer fallbackConsumer = fallbackSession.createConsumer(fallbackQueue);
ActiveMQQueue senderQueue = new ActiveMQQueue("TEST.QUEUE1");
MessageProducer producer = senderSession.createProducer(senderQueue);
Message msg = senderSession.createTextMessage("test");
producer.send(msg);
// TODO need two send a 2nd message - bug AMQ-1024
// producer.send(msg);
Thread.sleep(100);
// Verify exclusive consumer receives the message.
assertNotNull(exclusiveConsumer.receive(100));
assertNull(fallbackConsumer.receive(100));
} finally {
fallbackSession.close();
senderSession.close();
conn.close();
}
}
@Test(timeout = 60000)
public void testExclusiveConsumerSelectedCreatedAfter() throws JMSException, InterruptedException {
Connection conn = createConnection(true);
Session exclusiveSession = null;
Session fallbackSession = null;
Session senderSession = null;
try {
exclusiveSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
fallbackSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
senderSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
ActiveMQQueue fallbackQueue = new ActiveMQQueue("TEST.QUEUE5");
MessageConsumer fallbackConsumer = fallbackSession.createConsumer(fallbackQueue);
ActiveMQQueue exclusiveQueue = new ActiveMQQueue("TEST.QUEUE5?consumer.exclusive=true");
MessageConsumer exclusiveConsumer = exclusiveSession.createConsumer(exclusiveQueue);
ActiveMQQueue senderQueue = new ActiveMQQueue("TEST.QUEUE5");
MessageProducer producer = senderSession.createProducer(senderQueue);
Message msg = senderSession.createTextMessage("test");
producer.send(msg);
Thread.sleep(100);
// Verify exclusive consumer receives the message.
assertNotNull(exclusiveConsumer.receive(100));
assertNull(fallbackConsumer.receive(100));
} finally {
fallbackSession.close();
senderSession.close();
conn.close();
}
}
@Test(timeout = 60000)
public void testFailoverToAnotherExclusiveConsumerCreatedFirst() throws JMSException, InterruptedException {
Connection conn = createConnection(true);
Session exclusiveSession1 = null;
Session exclusiveSession2 = null;
Session fallbackSession = null;
Session senderSession = null;
try {
exclusiveSession1 = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
exclusiveSession2 = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
fallbackSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
senderSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
// This creates the exclusive consumer first which avoids AMQ-1024 bug.
ActiveMQQueue exclusiveQueue = new ActiveMQQueue("TEST.QUEUE2?consumer.exclusive=true");
MessageConsumer exclusiveConsumer1 = exclusiveSession1.createConsumer(exclusiveQueue);
MessageConsumer exclusiveConsumer2 = exclusiveSession2.createConsumer(exclusiveQueue);
ActiveMQQueue fallbackQueue = new ActiveMQQueue("TEST.QUEUE2");
MessageConsumer fallbackConsumer = fallbackSession.createConsumer(fallbackQueue);
ActiveMQQueue senderQueue = new ActiveMQQueue("TEST.QUEUE2");
MessageProducer producer = senderSession.createProducer(senderQueue);
Message msg = senderSession.createTextMessage("test");
producer.send(msg);
Thread.sleep(100);
// Verify exclusive consumer receives the message.
assertNotNull(exclusiveConsumer1.receive(100));
assertNull(exclusiveConsumer2.receive(100));
assertNull(fallbackConsumer.receive(100));
// Close the exclusive consumer to verify the non-exclusive consumer takes over
exclusiveConsumer1.close();
producer.send(msg);
producer.send(msg);
assertNotNull(exclusiveConsumer2.receive(100));
assertNull(fallbackConsumer.receive(100));
} finally {
fallbackSession.close();
senderSession.close();
conn.close();
}
}
@Test(timeout = 60000)
public void testFailoverToAnotherExclusiveConsumerCreatedAfter() throws JMSException, InterruptedException {
Connection conn = createConnection(true);
Session exclusiveSession1 = null;
Session exclusiveSession2 = null;
Session fallbackSession = null;
Session senderSession = null;
try {
exclusiveSession1 = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
exclusiveSession2 = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
fallbackSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
senderSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
// This creates the exclusive consumer first which avoids AMQ-1024 bug.
ActiveMQQueue exclusiveQueue = new ActiveMQQueue("TEST.QUEUE6?consumer.exclusive=true");
MessageConsumer exclusiveConsumer1 = exclusiveSession1.createConsumer(exclusiveQueue);
ActiveMQQueue fallbackQueue = new ActiveMQQueue("TEST.QUEUE6");
MessageConsumer fallbackConsumer = fallbackSession.createConsumer(fallbackQueue);
MessageConsumer exclusiveConsumer2 = exclusiveSession2.createConsumer(exclusiveQueue);
ActiveMQQueue senderQueue = new ActiveMQQueue("TEST.QUEUE6");
MessageProducer producer = senderSession.createProducer(senderQueue);
Message msg = senderSession.createTextMessage("test");
producer.send(msg);
Thread.sleep(100);
// Verify exclusive consumer receives the message.
assertNotNull(exclusiveConsumer1.receive(100));
assertNull(exclusiveConsumer2.receive(100));
assertNull(fallbackConsumer.receive(100));
// Close the exclusive consumer to verify the non-exclusive consumer takes over
exclusiveConsumer1.close();
producer.send(msg);
producer.send(msg);
assertNotNull(exclusiveConsumer2.receive(1000));
assertNull(fallbackConsumer.receive(100));
} finally {
fallbackSession.close();
senderSession.close();
conn.close();
}
}
@Test(timeout = 60000)
public void testFailoverToNonExclusiveConsumer() throws JMSException, InterruptedException {
Connection conn = createConnection(true);
Session exclusiveSession = null;
Session fallbackSession = null;
Session senderSession = null;
try {
exclusiveSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
fallbackSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
senderSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
// This creates the exclusive consumer first which avoids AMQ-1024 bug.
ActiveMQQueue exclusiveQueue = new ActiveMQQueue("TEST.QUEUE3?consumer.exclusive=true");
MessageConsumer exclusiveConsumer = exclusiveSession.createConsumer(exclusiveQueue);
ActiveMQQueue fallbackQueue = new ActiveMQQueue("TEST.QUEUE3");
MessageConsumer fallbackConsumer = fallbackSession.createConsumer(fallbackQueue);
ActiveMQQueue senderQueue = new ActiveMQQueue("TEST.QUEUE3");
MessageProducer producer = senderSession.createProducer(senderQueue);
Message msg = senderSession.createTextMessage("test");
producer.send(msg);
Thread.sleep(100);
// Verify exclusive consumer receives the message.
assertNotNull(exclusiveConsumer.receive(100));
assertNull(fallbackConsumer.receive(100));
// Close the exclusive consumer to verify the non-exclusive consumer takes over
exclusiveConsumer.close();
producer.send(msg);
assertNotNull(fallbackConsumer.receive(100));
} finally {
fallbackSession.close();
senderSession.close();
conn.close();
}
}
@Test(timeout = 60000)
public void testFallbackToExclusiveConsumer() throws JMSException, InterruptedException {
Connection conn = createConnection(true);
Session exclusiveSession = null;
Session fallbackSession = null;
Session senderSession = null;
try {
exclusiveSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
fallbackSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
senderSession = conn.createSession(false, Session.AUTO_ACKNOWLEDGE);
// This creates the exclusive consumer first which avoids AMQ-1024 bug.
ActiveMQQueue exclusiveQueue = new ActiveMQQueue("TEST.QUEUE4?consumer.exclusive=true");
MessageConsumer exclusiveConsumer = exclusiveSession.createConsumer(exclusiveQueue);
ActiveMQQueue fallbackQueue = new ActiveMQQueue("TEST.QUEUE4");
MessageConsumer fallbackConsumer = fallbackSession.createConsumer(fallbackQueue);
ActiveMQQueue senderQueue = new ActiveMQQueue("TEST.QUEUE4");
MessageProducer producer = senderSession.createProducer(senderQueue);
Message msg = senderSession.createTextMessage("test");
producer.send(msg);
Thread.sleep(100);
// Verify exclusive consumer receives the message.
assertNotNull(exclusiveConsumer.receive(100));
assertNull(fallbackConsumer.receive(100));
// Close the exclusive consumer to verify the non-exclusive consumer takes over
exclusiveConsumer.close();
producer.send(msg);
// Verify other non-exclusive consumer receices the message.
assertNotNull(fallbackConsumer.receive(100));
// Create exclusive consumer to determine if it will start receiving the messages.
exclusiveConsumer = exclusiveSession.createConsumer(exclusiveQueue);
producer.send(msg);
assertNotNull(exclusiveConsumer.receive(100));
assertNull(fallbackConsumer.receive(100));
} finally {
fallbackSession.close();
senderSession.close();
conn.close();
}
}
}