| /** |
| * 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.bugs; |
| |
| import static org.junit.Assert.assertEquals; |
| |
| import javax.jms.Connection; |
| import javax.jms.JMSException; |
| import javax.jms.MessageConsumer; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| import javax.jms.TextMessage; |
| |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.ActiveMQSession; |
| import org.apache.activemq.TestSupport; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.broker.TransportConnector; |
| import org.apache.activemq.broker.region.Destination; |
| import org.apache.activemq.broker.region.policy.ConstantPendingMessageLimitStrategy; |
| import org.apache.activemq.broker.region.policy.PolicyEntry; |
| import org.apache.activemq.broker.region.policy.PolicyMap; |
| import org.apache.activemq.command.ActiveMQTopic; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| public class AMQ6579Test { |
| |
| protected BrokerService brokerService; |
| protected Connection connection; |
| protected Session session; |
| protected ActiveMQTopic topic; |
| protected Destination amqDestination; |
| protected MessageConsumer consumer; |
| |
| @Before |
| public void setUp() throws Exception { |
| brokerService = new BrokerService(); |
| brokerService.setPersistent(false); |
| |
| PolicyEntry policy = new PolicyEntry(); |
| policy.setTopicPrefetch(5); |
| ConstantPendingMessageLimitStrategy pendingMessageLimitStrategy = new ConstantPendingMessageLimitStrategy(); |
| pendingMessageLimitStrategy.setLimit(5); |
| policy.setPendingMessageLimitStrategy(pendingMessageLimitStrategy); |
| PolicyMap pMap = new PolicyMap(); |
| pMap.setDefaultEntry(policy); |
| brokerService.setDestinationPolicy(pMap); |
| |
| TransportConnector tcp = brokerService.addConnector("tcp://localhost:0"); |
| brokerService.start(); |
| connection = new ActiveMQConnectionFactory(tcp.getPublishableConnectString()).createConnection(); |
| connection.start(); |
| session = connection.createSession(false, ActiveMQSession.AUTO_ACKNOWLEDGE); |
| topic = new ActiveMQTopic("test.topic"); |
| consumer = session.createConsumer(topic); |
| amqDestination = TestSupport.getDestination(brokerService, topic); |
| } |
| |
| @After |
| public void tearDown() throws Exception { |
| if (connection != null) { |
| connection.close(); |
| } |
| brokerService.stop(); |
| } |
| |
| /** |
| * Test that messages are expired properly on a topic subscription when a |
| * constant pending limit strategy is set and that future messages are |
| * dispatched properly so that the consumer isn't blocked |
| * |
| * @throws Exception |
| */ |
| @Test(timeout = 10000) |
| public void testExpireWithPendingLimitStrategy() throws Exception { |
| |
| //Send 5 messages that are not expired to fill up prefetch |
| //followed by 5 messages that can be expired |
| //then another 5 messages that won't expire |
| //Make sure 10 messages are received |
| sendMessages(5, 0); |
| sendMessages(5, 1); |
| sendMessages(5, 0); |
| |
| //should get 10 messages as the middle 5 should expire |
| assertEquals(10, receiveMessages()); |
| } |
| |
| /** |
| * This method will generate random sized messages up to 150000 bytes. |
| * |
| * @param count |
| * @throws JMSException |
| */ |
| protected void sendMessages(int count, int expire) throws JMSException { |
| MessageProducer producer = session.createProducer(topic); |
| producer.setTimeToLive(expire); |
| for (int i = 0; i < count; i++) { |
| TextMessage textMessage = session.createTextMessage("test"); |
| producer.send(textMessage); |
| } |
| } |
| |
| protected int receiveMessages() throws JMSException { |
| int count = 0; |
| while (consumer.receive(500) != null) { |
| count++; |
| } |
| return count; |
| } |
| |
| } |