| /* |
| * 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 static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| |
| import java.lang.reflect.Field; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| import java.util.List; |
| |
| import javax.jms.Connection; |
| 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.broker.BrokerService; |
| import org.apache.activemq.broker.TransportConnector; |
| import org.apache.activemq.broker.region.MessageReference; |
| import org.apache.activemq.broker.region.PrefetchSubscription; |
| import org.apache.activemq.broker.region.Subscription; |
| import org.apache.activemq.broker.region.TopicSubscription; |
| import org.apache.activemq.broker.region.policy.PolicyEntry; |
| import org.apache.activemq.broker.region.policy.PolicyMap; |
| import org.apache.activemq.command.ActiveMQDestination; |
| import org.apache.activemq.command.ActiveMQQueue; |
| import org.apache.activemq.command.ActiveMQTextMessage; |
| import org.apache.activemq.command.ActiveMQTopic; |
| import org.apache.activemq.command.Message; |
| import org.junit.After; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.TemporaryFolder; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameters; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Test that clearUnMarshalled data gets called properly to reduce memory usage |
| */ |
| @RunWith(Parameterized.class) |
| public class AMQ6477Test { |
| |
| static final Logger LOG = LoggerFactory.getLogger(AMQ6477Test.class); |
| |
| @Rule |
| public TemporaryFolder dataDir = new TemporaryFolder(); |
| |
| private BrokerService brokerService; |
| private String connectionUri; |
| private final ActiveMQQueue queue = new ActiveMQQueue("queue"); |
| private final ActiveMQTopic topic = new ActiveMQTopic("topic"); |
| private final int numMessages = 10; |
| private Connection connection; |
| private Session session; |
| private SubType subType; |
| private boolean persistent; |
| |
| protected enum SubType {QUEUE, TOPIC, DURABLE} |
| |
| @Parameters(name="subType={0},isPersistent={1}") |
| public static Collection<Object[]> data() { |
| return Arrays.asList(new Object[][] { |
| {SubType.QUEUE, false}, |
| //Can only test PrefetchSubscriptions for now as TopicSubscriptions don't track the message |
| //references anymore that are dispatched |
| // {SubType.TOPIC, false}, |
| {SubType.DURABLE, false}, |
| {SubType.QUEUE, true}, |
| // {SubType.TOPIC, true}, |
| {SubType.DURABLE, true} |
| }); |
| } |
| |
| /** |
| */ |
| public AMQ6477Test(SubType subType, boolean persistent) { |
| super(); |
| this.subType = subType; |
| this.persistent = persistent; |
| } |
| |
| @Before |
| public void before() throws Exception { |
| brokerService = new BrokerService(); |
| TransportConnector connector = brokerService.addConnector("tcp://localhost:0"); |
| connectionUri = connector.getPublishableConnectString(); |
| brokerService.setPersistent(persistent); |
| brokerService.setDataDirectory(dataDir.getRoot().getAbsolutePath()); |
| brokerService.setUseJmx(false); |
| |
| PolicyMap policyMap = new PolicyMap(); |
| PolicyEntry entry = new PolicyEntry(); |
| entry.setReduceMemoryFootprint(true); |
| |
| policyMap.setDefaultEntry(entry); |
| brokerService.setDestinationPolicy(policyMap); |
| |
| brokerService.start(); |
| brokerService.waitUntilStarted(); |
| |
| final ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(connectionUri); |
| connection = factory.createConnection(); |
| connection.setClientID("clientId"); |
| connection.start(); |
| |
| session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); |
| } |
| |
| @After |
| public void after() throws Exception { |
| if (connection != null) { |
| connection.stop(); |
| } |
| if (brokerService != null) { |
| brokerService.stop(); |
| brokerService.waitUntilStopped(); |
| } |
| } |
| |
| @Test(timeout=30000) |
| public void testReduceMemoryFootprint() throws Exception { |
| |
| ActiveMQDestination destination = subType.equals(SubType.QUEUE) ? queue : topic; |
| |
| MessageConsumer consumer = subType.equals(SubType.DURABLE) ? |
| session.createDurableSubscriber(topic, "sub1") : session.createConsumer(destination); |
| MessageProducer producer = session.createProducer(destination); |
| for (int i = 0; i < numMessages; i++) { |
| TextMessage m = session.createTextMessage("test"); |
| m.setStringProperty("test", "test"); |
| producer.send(m); |
| } |
| |
| Subscription sub = brokerService.getDestination(destination).getConsumers().get(0); |
| List<MessageReference> messages = getSubscriptionMessages(sub); |
| |
| //Go through each message and make sure the unmarshalled fields are null |
| //then call the getters which will unmarshall the data again to show the marshalled |
| //data exists |
| for (MessageReference ref : messages) { |
| ActiveMQTextMessage message = (ActiveMQTextMessage) ref.getMessage(); |
| Field propertiesField = Message.class.getDeclaredField("properties"); |
| propertiesField.setAccessible(true); |
| Field textField = ActiveMQTextMessage.class.getDeclaredField("text"); |
| textField.setAccessible(true); |
| |
| assertNull(textField.get(message)); |
| assertNull(propertiesField.get(message)); |
| assertNotNull(message.getProperties()); |
| assertNotNull(message.getText()); |
| } |
| consumer.close(); |
| } |
| |
| |
| @SuppressWarnings("unchecked") |
| protected List<MessageReference> getSubscriptionMessages(Subscription sub) throws Exception { |
| Field dispatchedField = null; |
| Field dispatchLockField = null; |
| //Can only test PrefetchSubscriptions for now as TopicSubscriptions don't track the message |
| //references anymore that are dispatched |
| if (sub instanceof PrefetchSubscription) { |
| dispatchedField = PrefetchSubscription.class.getDeclaredField("dispatched"); |
| dispatchLockField = PrefetchSubscription.class.getDeclaredField("dispatchLock"); |
| } |
| dispatchedField.setAccessible(true); |
| dispatchLockField.setAccessible(true); |
| |
| synchronized (dispatchLockField.get(sub)) { |
| return new ArrayList<MessageReference>((List<MessageReference>)dispatchedField.get(sub)); |
| } |
| } |
| |
| } |