| /** |
| * 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 junit.framework.TestCase; |
| import org.apache.activemq.ActiveMQConnectionFactory; |
| import org.apache.activemq.broker.BrokerService; |
| import org.apache.activemq.command.ActiveMQQueue; |
| import org.apache.activemq.store.kahadb.KahaDBPersistenceAdapter; |
| import org.apache.activemq.store.kahadb.MessageDatabase; |
| |
| import javax.jms.Connection; |
| import javax.jms.DeliveryMode; |
| import javax.jms.JMSException; |
| import javax.jms.MessageProducer; |
| import javax.jms.Session; |
| import javax.jms.TextMessage; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import org.apache.logging.log4j.Level; |
| import org.apache.logging.log4j.LogManager; |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.apache.logging.log4j.core.appender.AbstractAppender; |
| import org.apache.logging.log4j.core.config.Property; |
| import org.apache.logging.log4j.core.filter.AbstractFilter; |
| import org.apache.logging.log4j.core.layout.MessageLayout; |
| |
| public class EmptyTransactionTest extends TestCase { |
| |
| private static final int CHECKPOINT_INTERVAL = 500; |
| private BrokerService broker; |
| |
| public void testEmptyTransactionsCheckpoint() throws Exception { |
| |
| AtomicBoolean hadRecovery = new AtomicBoolean(false); |
| |
| final var logger = org.apache.logging.log4j.core.Logger.class.cast(LogManager.getLogger(MessageDatabase.class)); |
| final var appender = new AbstractAppender("testAppender", new AbstractFilter() {}, new MessageLayout(), false, new Property[0]) { |
| @Override |
| public void append(LogEvent event) { |
| if (event.getMessage().toString().contains("Recovering from the journal @")) { |
| hadRecovery.set(true); |
| } |
| } |
| }; |
| appender.start(); |
| |
| logger.get().addAppender(appender, Level.DEBUG, new AbstractFilter() {}); |
| logger.addAppender(appender); |
| |
| start(true); |
| |
| ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory("vm://localhost"); |
| Connection connection = factory.createConnection(); |
| Session session = connection.createSession(true, Session.SESSION_TRANSACTED); |
| MessageProducer producer = session.createProducer(new ActiveMQQueue("QueueName")); |
| producer.setDeliveryMode(DeliveryMode.NON_PERSISTENT); |
| |
| sendMessage(session, producer); |
| |
| // wait checkpoint |
| // When we create a new consumer a KahaProducerAuditCommand written to the journal files changing the lastUpdate pointer |
| Thread.sleep(CHECKPOINT_INTERVAL * 2); |
| |
| for (int i = 0; i < 5; i++) { |
| sendMessage(session, producer); |
| } |
| |
| restart(); |
| |
| assertFalse(hadRecovery.get()); |
| } |
| |
| private void sendMessage(final Session session, final MessageProducer producer) throws JMSException { |
| TextMessage m = session.createTextMessage("Hi"); |
| producer.send(m); |
| session.commit(); |
| } |
| |
| private void restart() throws Exception { |
| broker.stop(); |
| broker.waitUntilStopped(); |
| start(false); |
| } |
| |
| private void start(final boolean deleteMessages) throws Exception { |
| broker = new BrokerService(); |
| KahaDBPersistenceAdapter kahaDB = new KahaDBPersistenceAdapter(); |
| kahaDB.setCheckpointInterval(CHECKPOINT_INTERVAL); |
| broker.setPersistenceAdapter(kahaDB); |
| broker.setPersistent(true); |
| broker.setDeleteAllMessagesOnStartup(deleteMessages); |
| broker.start(); |
| broker.waitUntilStarted(); |
| } |
| |
| } |