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ActiveMQ example source code file (DurableSubscriptionSelectorTest.java)
The ActiveMQ DurableSubscriptionSelectorTest.java source code/** * 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 java.lang.management.ManagementFactory; import javax.jms.JMSException; import javax.jms.Message; import javax.jms.MessageListener; import javax.jms.MessageProducer; import javax.jms.Session; import javax.jms.TopicSubscriber; import javax.management.MBeanServer; import javax.management.ObjectName; import junit.framework.Test; import org.apache.activemq.ActiveMQConnection; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.broker.BrokerService; import org.apache.activemq.command.ActiveMQTopic; import org.apache.activemq.store.PersistenceAdapter; import org.apache.activemq.store.jdbc.JDBCPersistenceAdapter; import org.apache.activemq.util.Wait; public class DurableSubscriptionSelectorTest extends org.apache.activemq.TestSupport { MBeanServer mbs; BrokerService broker = null; ActiveMQTopic topic; ActiveMQConnection consumerConnection = null, producerConnection = null; Session producerSession; MessageProducer producer; private int received = 0; public static Test suite() { return suite(DurableSubscriptionSelectorTest.class); } public void initCombosForTestSubscription() throws Exception { this.addCombinationValues("defaultPersistenceAdapter", PersistenceAdapterChoice.values()); } public void testSubscription() throws Exception { openConsumer(); for (int i = 0; i < 4000; i++) { sendMessage(false); } Thread.sleep(1000); assertEquals("Invalid message received.", 0, received); closeProducer(); closeConsumer(); stopBroker(); startBroker(false); openConsumer(); sendMessage(true); Wait.waitFor(new Wait.Condition() { public boolean isSatisified() { return received >= 1;} }, 10000); assertEquals("Message is not recieved.", 1, received); sendMessage(true); Thread.sleep(100); assertEquals("Message is not recieved.", 2, received); } private void openConsumer() throws Exception { consumerConnection = (ActiveMQConnection) createConnection(); consumerConnection.setClientID("cliID"); consumerConnection.start(); Session session = consumerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE); TopicSubscriber subscriber = session.createDurableSubscriber(topic, "subName", "filter=true", false); subscriber.setMessageListener(new MessageListener() { public void onMessage(Message message) { received++; } }); } private void closeConsumer() throws JMSException { if (consumerConnection != null) consumerConnection.close(); consumerConnection = null; } private void sendMessage(boolean filter) throws Exception { if (producerConnection == null) { producerConnection = (ActiveMQConnection) createConnection(); producerConnection.start(); producerSession = producerConnection.createSession(false, Session.AUTO_ACKNOWLEDGE); producer = producerSession.createProducer(topic); } Message message = producerSession.createMessage(); message.setBooleanProperty("filter", filter); producer.send(message); } private void closeProducer() throws JMSException { if (producerConnection != null) producerConnection.close(); producerConnection = null; } private int getPendingQueueSize() throws Exception { ObjectName[] subs = broker.getAdminView().getDurableTopicSubscribers(); for (ObjectName sub: subs) { if ("cliID".equals(mbs.getAttribute(sub, "ClientId"))) { Integer size = (Integer) mbs.getAttribute(sub, "PendingQueueSize"); return size != null ? size : 0; } } assertTrue(false); return -1; } private void startBroker(boolean deleteMessages) throws Exception { broker = new BrokerService(); broker.setBrokerName("test-broker"); if (deleteMessages) { broker.setDeleteAllMessagesOnStartup(true); } setDefaultPersistenceAdapter(broker); if (broker.getPersistenceAdapter() instanceof JDBCPersistenceAdapter) { ((JDBCPersistenceAdapter)broker.getPersistenceAdapter()).setMaxRows(5000); } broker.start(); } private void stopBroker() throws Exception { if (broker != null) broker.stop(); broker = null; } protected ActiveMQConnectionFactory createConnectionFactory() throws Exception { return new ActiveMQConnectionFactory("vm://test-broker?jms.watchTopicAdvisories=false&waitForStart=5000&create=false"); } @Override protected void setUp() throws Exception { super.setUp(); startBroker(true); topic = (ActiveMQTopic) createDestination(); mbs = ManagementFactory.getPlatformMBeanServer(); } @Override protected void tearDown() throws Exception { stopBroker(); super.tearDown(); } } Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ DurableSubscriptionSelectorTest.java source code file: |
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