| /* |
| * |
| * 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.qpid.server.queue; |
| |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| |
| import javax.jms.Connection; |
| import javax.jms.JMSException; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageListener; |
| import javax.jms.MessageProducer; |
| import javax.jms.Queue; |
| import javax.jms.Session; |
| import javax.naming.NamingException; |
| |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| import org.apache.qpid.QpidException; |
| import org.apache.qpid.client.AMQDestination; |
| import org.apache.qpid.client.AMQSession; |
| import org.apache.qpid.server.model.LifetimePolicy; |
| import org.apache.qpid.test.utils.QpidBrokerTestCase; |
| |
| public class PriorityQueueTest extends QpidBrokerTestCase |
| { |
| private static final int TIMEOUT = 1500; |
| |
| protected final String QUEUE = "PriorityQueue"; |
| |
| private static final int MSG_COUNT = 50; |
| |
| private Connection producerConnection; |
| private MessageProducer producer; |
| private Session producerSession; |
| private Queue queue; |
| private Connection consumerConnection; |
| private Session consumerSession; |
| |
| private MessageConsumer consumer; |
| |
| protected void setUp() throws Exception |
| { |
| super.setUp(); |
| |
| producerConnection = getConnection(); |
| producerSession = producerConnection.createSession(true, Session.AUTO_ACKNOWLEDGE); |
| |
| producerConnection.start(); |
| |
| consumerConnection = getConnection(); |
| consumerSession = consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| |
| } |
| |
| protected void tearDown() throws Exception |
| { |
| producerConnection.close(); |
| consumerConnection.close(); |
| super.tearDown(); |
| } |
| |
| public void testPriority() throws JMSException, NamingException, QpidException |
| { |
| final int priorities = 10; |
| createPriorityQueue(priorities); |
| |
| for (int msg = 0; msg < MSG_COUNT; msg++) |
| { |
| producer.setPriority(msg % 10); |
| producer.send(nextMessage(msg, false, producerSession, producer)); |
| } |
| producerSession.commit(); |
| producer.close(); |
| producerSession.close(); |
| producerConnection.close(); |
| |
| consumer = consumerSession.createConsumer(queue); |
| consumerConnection.start(); |
| Message received; |
| int receivedCount = 0; |
| Message previous = null; |
| int messageCount = 0; |
| while((received = consumer.receive(1000))!=null) |
| { |
| messageCount++; |
| if(previous != null) |
| { |
| assertTrue("Messages arrived in unexpected order " + messageCount + " " + previous.getIntProperty("msg") + " " + received.getIntProperty("msg") + " " + previous.getJMSPriority() + " " + received.getJMSPriority(), (previous.getJMSPriority() > received.getJMSPriority()) || ((previous.getJMSPriority() == received.getJMSPriority()) && previous.getIntProperty("msg") < received.getIntProperty("msg")) ); |
| } |
| |
| previous = received; |
| receivedCount++; |
| } |
| |
| assertEquals("Incorrect number of message received", 50, receivedCount); |
| } |
| |
| private void createPriorityQueue(final int priorities) throws QpidException, JMSException |
| { |
| if(isBroker10()) |
| { |
| final Map<String, Object> attributes = new HashMap<>(); |
| attributes.put(PriorityQueue.PRIORITIES, priorities); |
| attributes.put(PriorityQueue.DURABLE, false); |
| attributes.put(PriorityQueue.LIFETIME_POLICY, LifetimePolicy.DELETE_ON_NO_OUTBOUND_LINKS.toString()); |
| createEntityUsingAmqpManagement(getTestQueueName(), producerSession, "org.apache.qpid.PriorityQueue", attributes); |
| queue = producerSession.createQueue(getTestQueueName()); |
| } |
| else |
| { |
| |
| final Map<String, Object> arguments = new HashMap<String, Object>(); |
| arguments.put("x-qpid-priorities", priorities); |
| ((AMQSession) producerSession).createQueue(getTestQueueName(), true, false, false, arguments); |
| queue = (Queue) producerSession.createQueue("direct://amq.direct/" |
| + getTestQueueName() |
| + "/" |
| + getTestQueueName() |
| + "?durable='false'&autodelete='true'"); |
| |
| ((AMQSession) producerSession).declareAndBind((AMQDestination) queue); |
| } |
| producer = producerSession.createProducer(queue); |
| } |
| |
| public void testOddOrdering() throws QpidException, JMSException |
| { |
| createPriorityQueue(3); |
| |
| // In order ABC |
| producer.setPriority(9); |
| producer.send(nextMessage(1, false, producerSession, producer)); |
| producer.setPriority(4); |
| producer.send(nextMessage(2, false, producerSession, producer)); |
| producer.setPriority(1); |
| producer.send(nextMessage(3, false, producerSession, producer)); |
| |
| // Out of order BAC |
| producer.setPriority(4); |
| producer.send(nextMessage(4, false, producerSession, producer)); |
| producer.setPriority(9); |
| producer.send(nextMessage(5, false, producerSession, producer)); |
| producer.setPriority(1); |
| producer.send(nextMessage(6, false, producerSession, producer)); |
| |
| // Out of order BCA |
| producer.setPriority(4); |
| producer.send(nextMessage(7, false, producerSession, producer)); |
| producer.setPriority(1); |
| producer.send(nextMessage(8, false, producerSession, producer)); |
| producer.setPriority(9); |
| producer.send(nextMessage(9, false, producerSession, producer)); |
| |
| // Reverse order CBA |
| producer.setPriority(1); |
| producer.send(nextMessage(10, false, producerSession, producer)); |
| producer.setPriority(4); |
| producer.send(nextMessage(11, false, producerSession, producer)); |
| producer.setPriority(9); |
| producer.send(nextMessage(12, false, producerSession, producer)); |
| producerSession.commit(); |
| |
| consumer = consumerSession.createConsumer(queue); |
| consumerConnection.start(); |
| |
| Message msg = consumer.receive(TIMEOUT); |
| assertEquals(1, msg.getIntProperty("msg")); |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(5, msg.getIntProperty("msg")); |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(9, msg.getIntProperty("msg")); |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(12, msg.getIntProperty("msg")); |
| |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(2, msg.getIntProperty("msg")); |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(4, msg.getIntProperty("msg")); |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(7, msg.getIntProperty("msg")); |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(11, msg.getIntProperty("msg")); |
| |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(3, msg.getIntProperty("msg")); |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(6, msg.getIntProperty("msg")); |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(8, msg.getIntProperty("msg")); |
| msg = consumer.receive(TIMEOUT); |
| assertEquals(10, msg.getIntProperty("msg")); |
| } |
| |
| private Message nextMessage(int msg, boolean first, Session producerSession, MessageProducer producer) throws JMSException |
| { |
| Message send = producerSession.createTextMessage("Message: " + msg); |
| send.setIntProperty("msg", msg); |
| |
| return send; |
| } |
| |
| /** |
| * Test that after sending an initial message with priority 0, it is able to be repeatedly reflected back to the queue using |
| * default priority and then consumed again, with separate transacted sessions with prefetch 1 for producer and consumer. |
| * |
| * Highlighted defect with PriorityQueues resolved in QPID-3927. |
| */ |
| public void testMessageReflectionWithPriorityIncreaseOnTransactedSessionsWithPrefetch1() throws Exception |
| { |
| Connection conn = getConnectionWithPrefetch(1); |
| conn.start(); |
| final Session producerSess = conn.createSession(true, Session.SESSION_TRANSACTED); |
| final Session consumerSess = conn.createSession(true, Session.SESSION_TRANSACTED); |
| |
| createPriorityQueue(10); |
| |
| //create the consumer, producer, add message listener |
| CountDownLatch latch = new CountDownLatch(5); |
| MessageConsumer cons = producerSess.createConsumer(queue); |
| MessageProducer producer = producerSess.createProducer(queue); |
| |
| ReflectingMessageListener listener = new ReflectingMessageListener(producerSess,producer,consumerSess,latch); |
| cons.setMessageListener(listener); |
| |
| //Send low priority 0 message to kick start the asynchronous reflection process |
| producer.setPriority(0); |
| producer.send(nextMessage(1, true, producerSess, producer)); |
| producerSess.commit(); |
| |
| //wait for the reflection process to complete |
| assertTrue("Test process failed to complete in allowed time", latch.await(10, TimeUnit.SECONDS)); |
| assertNull("Unexpected throwable encountered", listener.getThrown()); |
| } |
| |
| private static class ReflectingMessageListener implements MessageListener |
| { |
| private static final Logger _logger = LoggerFactory.getLogger(PriorityQueueTest.ReflectingMessageListener.class); |
| |
| private Session _prodSess; |
| private Session _consSess; |
| private CountDownLatch _latch; |
| private MessageProducer _prod; |
| private long _origCount; |
| private Throwable _lastThrown; |
| |
| public ReflectingMessageListener(final Session prodSess, final MessageProducer prod, |
| final Session consSess, final CountDownLatch latch) |
| { |
| _latch = latch; |
| _origCount = _latch.getCount(); |
| _prodSess = prodSess; |
| _consSess = consSess; |
| _prod = prod; |
| } |
| |
| @Override |
| public void onMessage(final Message message) |
| { |
| try |
| { |
| _latch.countDown(); |
| long msgNum = _origCount - _latch.getCount(); |
| _logger.info("Received message " + msgNum + " with ID: " + message.getIntProperty("msg")); |
| |
| if(_latch.getCount() > 0) |
| { |
| //reflect the message, updating its ID and using default priority |
| message.clearProperties(); |
| message.setIntProperty("msg", (int) msgNum + 1); |
| _prod.setPriority(Message.DEFAULT_PRIORITY); |
| _prod.send(message); |
| _prodSess.commit(); |
| } |
| |
| //commit the consumer session to consume the message |
| _consSess.commit(); |
| } |
| catch(Throwable t) |
| { |
| _logger.error(t.getMessage(), t); |
| _lastThrown = t; |
| } |
| } |
| |
| public Throwable getThrown() |
| { |
| return _lastThrown; |
| } |
| } |
| } |