Java tutorial
/** * 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.store.kahadb; import java.util.Arrays; import java.util.Collection; import javax.jms.Connection; import javax.jms.JMSException; import javax.jms.Session; import javax.jms.Topic; import org.apache.activemq.ActiveMQConnectionFactory; import org.apache.activemq.command.ActiveMQDestination; import org.apache.activemq.command.ActiveMQTopic; import org.apache.commons.io.filefilter.WildcardFileFilter; import org.junit.runner.RunWith; import org.junit.runners.Parameterized; import org.junit.runners.Parameterized.Parameters; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * AMQ-5875 * * This test shows that when multiple destinations share a single KahaDB * instance when using mKahaDB, that the deletion of one Topic will no longer * cause an IllegalStateException and the store will be properly kept around * until all destinations associated with the store are gone. * * */ @RunWith(Parameterized.class) public class MultiKahaDBTopicDeletionTest extends AbstractMultiKahaDBDeletionTest { protected static final Logger LOG = LoggerFactory.getLogger(MultiKahaDBTopicDeletionTest.class); protected static ActiveMQTopic TOPIC1 = new ActiveMQTopic("test.>"); protected static ActiveMQTopic TOPIC2 = new ActiveMQTopic("test.t.topic"); @Parameters public static Collection<Object[]> data() { //Test with topics created in different orders return Arrays.asList(new Object[][] { { TOPIC1, TOPIC2 }, { TOPIC2, TOPIC1 } }); } public MultiKahaDBTopicDeletionTest(ActiveMQTopic dest1, ActiveMQTopic dest2) { super(dest1, dest2); } @Override protected void createConsumer(ActiveMQDestination dest) throws JMSException { ActiveMQConnectionFactory factory = new ActiveMQConnectionFactory(brokerConnectURI); Connection connection = factory.createConnection(); connection.setClientID("client1"); connection.start(); Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE); session.createDurableSubscriber((Topic) dest, "sub1"); } @Override protected WildcardFileFilter getStoreFileFilter() { return new WildcardFileFilter("topic*"); } }