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ActiveMQ example source code file (FailoverConsumerUnconsumedTest.java)
The ActiveMQ FailoverConsumerUnconsumedTest.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.transport.failover; import static org.junit.Assert.assertTrue; import java.util.Vector; import java.util.concurrent.CountDownLatch; import java.util.concurrent.Executors; import java.util.concurrent.TimeUnit; import javax.jms.Destination; import javax.jms.JMSException; import javax.jms.MessageProducer; import javax.jms.Queue; import javax.jms.Session; import javax.jms.TextMessage; import org.apache.activemq.ActiveMQConnection; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.ActiveMQMessageConsumer; import org.apache.activemq.ActiveMQMessageTransformation; import org.apache.activemq.ActiveMQSession; import org.apache.activemq.broker.BrokerPlugin; import org.apache.activemq.broker.BrokerPluginSupport; import org.apache.activemq.broker.BrokerService; import org.apache.activemq.broker.ConnectionContext; import org.apache.activemq.broker.region.Subscription; import org.apache.activemq.command.ConsumerId; import org.apache.activemq.command.ConsumerInfo; import org.apache.activemq.command.SessionId; import org.apache.activemq.util.Wait; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.junit.After; import org.junit.Test; // see https://issues.apache.org/activemq/browse/AMQ-2573 public class FailoverConsumerUnconsumedTest { private static final Logger LOG = LoggerFactory.getLogger(FailoverConsumerUnconsumedTest.class); private static final String QUEUE_NAME = "FailoverWithUnconsumed"; private static final String TRANSPORT_URI = "tcp://localhost:0"; private String url; final int prefetch = 10; BrokerService broker; @After public void stopBroker() throws Exception { if (broker != null) { broker.stop(); } } public void startBroker(boolean deleteAllMessagesOnStartup) throws Exception { broker = createBroker(deleteAllMessagesOnStartup); broker.start(); } public BrokerService createBroker(boolean deleteAllMessagesOnStartup) throws Exception { return createBroker(deleteAllMessagesOnStartup, TRANSPORT_URI); } public BrokerService createBroker(boolean deleteAllMessagesOnStartup, String bindAddress) throws Exception { broker = new BrokerService(); broker.addConnector(bindAddress); broker.setDeleteAllMessagesOnStartup(deleteAllMessagesOnStartup); this.url = broker.getTransportConnectors().get(0).getConnectUri().toString(); return broker; } @Test public void testFailoverConsumerDups() throws Exception { doTestFailoverConsumerDups(true); } @Test public void testFailoverConsumerDupsNoAdvisoryWatch() throws Exception { doTestFailoverConsumerDups(false); } public void doTestFailoverConsumerDups(final boolean watchTopicAdvisories) throws Exception { final int maxConsumers = 4; broker = createBroker(true); broker.setPlugins(new BrokerPlugin[] { new BrokerPluginSupport() { int consumerCount; // broker is killed on x create consumer @Override public Subscription addConsumer(ConnectionContext context, final ConsumerInfo info) throws Exception { if (++consumerCount == maxConsumers + (watchTopicAdvisories ? 1:0)) { context.setDontSendReponse(true); Executors.newSingleThreadExecutor().execute(new Runnable() { public void run() { LOG.info("Stopping broker on consumer: " + info.getConsumerId()); try { broker.stop(); } catch (Exception e) { e.printStackTrace(); } } }); } return super.addConsumer(context, info); } } }); broker.start(); ActiveMQConnectionFactory cf = new ActiveMQConnectionFactory("failover:(" + url + ")"); cf.setWatchTopicAdvisories(watchTopicAdvisories); final ActiveMQConnection connection = (ActiveMQConnection) cf.createConnection(); connection.start(); final Session consumerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); final Queue destination = consumerSession.createQueue(QUEUE_NAME + "?jms.consumer.prefetch=" + prefetch); final Vector<TestConsumer> testConsumers = new Vector Other ActiveMQ examples (source code examples)Here is a short list of links related to this ActiveMQ FailoverConsumerUnconsumedTest.java source code file: |
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