| /** |
| * 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 |
| * <p/> |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * <p/> |
| * 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 java.util.ArrayList; |
| import java.util.List; |
| import javax.jms.Connection; |
| import javax.jms.ConnectionFactory; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| import org.apache.activemq.ActiveMQConnection; |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.broker.region.policy.PolicyEntry; |
| import org.apache.activemq.broker.region.policy.PolicyMap; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.fail; |
| |
| |
| /** |
| * Sends X messages with a sequence number held in a JMS property "appId" |
| * Uses all priority 4 message (normal priority) |
| * closed the consumer connection multiple times so the already prefetched messages will be available |
| * for dispatch again. |
| */ |
| |
| public class PriorityRedeliveryOrderTest { |
| |
| private static final Logger LOG = LoggerFactory.getLogger(PriorityRedeliveryOrderTest.class); |
| |
| private static final String DESTINATION = "testQ1"; |
| private static final int MESSAGES_TO_SEND = 1000; |
| private static final int MESSAGES_PER_CONSUMER = 200; |
| private int consumedAppId = -1; |
| private int totalConsumed; |
| BrokerService broker; |
| |
| @Before |
| public void createBroker() throws Exception { |
| |
| broker = new BrokerService(); |
| broker.setDeleteAllMessagesOnStartup(true); |
| |
| PolicyMap policyMap = new PolicyMap(); |
| List<PolicyEntry> entries = new ArrayList<PolicyEntry>(); |
| PolicyEntry pe = new PolicyEntry(); |
| |
| pe.setPrioritizedMessages(true); |
| |
| pe.setQueue(">"); |
| entries.add(pe); |
| policyMap.setPolicyEntries(entries); |
| broker.setDestinationPolicy(policyMap); |
| |
| |
| broker.addConnector("tcp://0.0.0.0:0"); |
| |
| broker.start(); |
| broker.waitUntilStarted(); |
| } |
| |
| @After |
| public void stopBroker() throws Exception { |
| broker.stop(); |
| broker.waitUntilStopped(); |
| } |
| |
| @Test |
| public void testMessageDeliveryOrderAfterPrefetch() throws Exception { |
| |
| //send X messages with with a sequence number number in the message property. |
| sendMessages(MESSAGES_TO_SEND); |
| |
| for (int i = 0; i < (MESSAGES_TO_SEND / MESSAGES_PER_CONSUMER); i++) { |
| totalConsumed += consumeMessages(MESSAGES_PER_CONSUMER); |
| } |
| assertEquals("number of messages consumed should be equal to number of messages sent", MESSAGES_TO_SEND, totalConsumed); |
| } |
| |
| private Long sendMessages(int messageCount) throws Exception { |
| |
| long numberOfMessageSent = 0; |
| |
| ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(broker.getTransportConnectorByScheme("tcp").getPublishableConnectString()); |
| |
| Connection connection = connectionFactory.createConnection(); |
| connection.start(); |
| |
| try { |
| |
| Session producerSession = connection.createSession(true, Session.SESSION_TRANSACTED); |
| MessageProducer jmsProducer = producerSession.createProducer(producerSession.createQueue(DESTINATION)); |
| |
| Message sendMessage = producerSession.createTextMessage("test_message"); |
| |
| for (int i = 0; i < messageCount; i++) { |
| |
| sendMessage.setIntProperty("appID", i); |
| jmsProducer.send(sendMessage); |
| producerSession.commit(); |
| numberOfMessageSent++; |
| |
| } |
| |
| LOG.info(" Finished after producing : " + numberOfMessageSent); |
| return numberOfMessageSent; |
| |
| } catch (Exception ex) { |
| LOG.info("Exception received producing ", ex); |
| LOG.info("finishing after exception :" + numberOfMessageSent); |
| return numberOfMessageSent; |
| } finally { |
| if (connection != null) { |
| connection.close(); |
| } |
| } |
| } |
| |
| /* |
| Ensure messages are consumed in the expected sequence |
| */ |
| |
| private int consumeMessages(int numberOfMessage) throws Exception { |
| |
| LOG.info("Creating new consumer for:" + numberOfMessage); |
| |
| |
| int numberConsumedMessage = 0; |
| ConnectionFactory connectionFactory = new ActiveMQConnectionFactory(broker.getTransportConnectorByScheme("tcp").getPublishableConnectString()); |
| ActiveMQConnection connection = (ActiveMQConnection) connectionFactory.createConnection(); |
| |
| try { |
| |
| connection.start(); |
| Session session = connection.createSession(true, Session.SESSION_TRANSACTED); |
| MessageConsumer jmsConsumer = session.createConsumer(session.createQueue(DESTINATION)); |
| boolean consume = true; |
| |
| |
| while (consume) { |
| |
| Message message = jmsConsumer.receive(4000); |
| |
| if (message == null) { |
| LOG.info("Break on:" + numberConsumedMessage); |
| break; |
| } |
| |
| |
| int newAppId = message.getIntProperty("appID"); |
| |
| numberConsumedMessage++; |
| |
| LOG.debug("Message newAppID" + newAppId); |
| |
| //check it is next appID in sequence |
| |
| if (newAppId != (consumedAppId + 1)) { |
| fail(" newAppId is " + newAppId + " expected " + (consumedAppId + 1)); |
| } |
| |
| //increase next AppID |
| consumedAppId = newAppId; |
| |
| session.commit(); |
| |
| if (numberConsumedMessage == numberOfMessage) { |
| LOG.info("closing consumer after 200 message, consumedAppID is " + consumedAppId); |
| return numberConsumedMessage; |
| } |
| |
| } |
| } finally { |
| |
| if (connection != null) { |
| try { |
| connection.close(); |
| } catch (Exception ex) { |
| |
| } |
| } |
| } |
| return numberConsumedMessage; |
| } |
| |
| } |
| |