| /** |
| * 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 javax.jms.Connection; |
| import javax.jms.DeliveryMode; |
| import javax.jms.Destination; |
| import javax.jms.JMSException; |
| import javax.jms.Message; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| import javax.jms.TextMessage; |
| import javax.jms.Topic; |
| |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.test.TestSupport; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * |
| */ |
| public class DurableConsumerCloseAndReconnectTest extends TestSupport { |
| protected static final long RECEIVE_TIMEOUT = 5000L; |
| private static final Logger LOG = LoggerFactory.getLogger(DurableConsumerCloseAndReconnectTest.class); |
| |
| protected Connection connection; |
| private Session session; |
| private MessageConsumer consumer; |
| private MessageProducer producer; |
| private Destination destination; |
| private int messageCount; |
| |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| deleteAllMessages(); |
| } |
| |
| @Override |
| protected void tearDown() throws Exception { |
| super.tearDown(); |
| deleteAllMessages(); |
| } |
| |
| private void deleteAllMessages() throws Exception { |
| ActiveMQConnectionFactory fac = new ActiveMQConnectionFactory("vm://localhost?broker.deleteAllMessagesOnStartup=true"); |
| Connection dummyConnection = fac.createConnection(); |
| dummyConnection.start(); |
| dummyConnection.close(); |
| } |
| |
| protected ActiveMQConnectionFactory createConnectionFactory() throws Exception { |
| return new ActiveMQConnectionFactory("vm://localhost?broker.deleteAllMessagesOnStartup=false"); |
| } |
| |
| public void testCreateDurableConsumerCloseThenReconnect() throws Exception { |
| // force the server to stay up across both connection tests |
| Connection dummyConnection = createConnection(); |
| dummyConnection.start(); |
| |
| consumeMessagesDeliveredWhileConsumerClosed(); |
| |
| dummyConnection.close(); |
| |
| // now lets try again without one connection open |
| consumeMessagesDeliveredWhileConsumerClosed(); |
| } |
| |
| protected void consumeMessagesDeliveredWhileConsumerClosed() throws Exception { |
| makeConsumer(); |
| closeConsumer(); |
| |
| publish(); |
| |
| // wait a few moments for the close to really occur |
| Thread.sleep(1000); |
| |
| makeConsumer(); |
| |
| Message message = consumer.receive(RECEIVE_TIMEOUT); |
| assertTrue("Should have received a message!", message != null); |
| |
| closeConsumer(); |
| |
| LOG.info("Now lets create the consumer again and because we didn't ack, we should get it again"); |
| makeConsumer(); |
| |
| message = consumer.receive(RECEIVE_TIMEOUT); |
| assertTrue("Should have received a message!", message != null); |
| message.acknowledge(); |
| |
| closeConsumer(); |
| |
| LOG.info("Now lets create the consumer again and because we did ack, we should not get it again"); |
| makeConsumer(); |
| |
| message = consumer.receive(2000); |
| assertTrue("Should have no more messages left!", message == null); |
| |
| closeConsumer(); |
| |
| LOG.info("Lets publish one more message now"); |
| publish(); |
| |
| makeConsumer(); |
| message = consumer.receive(RECEIVE_TIMEOUT); |
| assertTrue("Should have received a message!", message != null); |
| message.acknowledge(); |
| |
| closeConsumer(); |
| } |
| |
| protected void publish() throws Exception { |
| connection = createConnection(); |
| connection.start(); |
| |
| session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE); |
| destination = createDestination(); |
| |
| producer = session.createProducer(destination); |
| producer.setDeliveryMode(DeliveryMode.PERSISTENT); |
| TextMessage msg = session.createTextMessage("This is a test: " + messageCount++); |
| producer.send(msg); |
| |
| producer.close(); |
| producer = null; |
| closeSession(); |
| } |
| |
| protected Destination createDestination() throws JMSException { |
| if (isTopic()) { |
| return session.createTopic(getSubject()); |
| } else { |
| return session.createQueue(getSubject()); |
| } |
| } |
| |
| protected boolean isTopic() { |
| return true; |
| } |
| |
| protected void closeConsumer() throws JMSException { |
| consumer.close(); |
| consumer = null; |
| closeSession(); |
| } |
| |
| protected void closeSession() throws JMSException { |
| session.close(); |
| session = null; |
| connection.close(); |
| connection = null; |
| } |
| |
| protected void makeConsumer() throws Exception { |
| String durableName = getName(); |
| String clientID = getSubject(); |
| LOG.info("Creating a durable subscribe for clientID: " + clientID + " and durable name: " + durableName); |
| createSession(clientID); |
| consumer = createConsumer(durableName); |
| } |
| |
| private MessageConsumer createConsumer(String durableName) throws JMSException { |
| if (destination instanceof Topic) { |
| return session.createDurableSubscriber((Topic)destination, durableName); |
| } else { |
| return session.createConsumer(destination); |
| } |
| } |
| |
| protected void createSession(String clientID) throws Exception { |
| connection = createConnection(); |
| connection.setClientID(clientID); |
| connection.start(); |
| |
| session = connection.createSession(false, Session.CLIENT_ACKNOWLEDGE); |
| destination = createDestination(); |
| } |
| } |