ActiveMQ example source code file (AdvisoryTopicDeletionTest.java)

This example ActiveMQ source code file (AdvisoryTopicDeletionTest.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - ActiveMQ tags/keywords

activemqconnectionfactory, activemqdestination, activemqdestination, connection, connection, exception, exception, found, logger, messageconsumer, override, session, session, testsupport

The ActiveMQ AdvisoryTopicDeletionTest.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 javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Session;

import org.apache.activemq.TestSupport;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.command.ActiveMQDestination;
import org.apache.activemq.command.ActiveMQQueue;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class AdvisoryTopicDeletionTest extends TestSupport {
    private static final Logger LOG = LoggerFactory.getLogger(AdvisoryTopicDeletionTest.class);

    private BrokerService broker;
    private Connection connection;

    protected ActiveMQConnectionFactory createConnectionFactory() throws Exception {
        return new ActiveMQConnectionFactory("vm://" + getName());
    }

    protected void setUp() throws Exception {
        createBroker();
        topic = false;
        super.setUp();
    }

    protected void tearDown() throws Exception {
        super.tearDown();
        destroyBroker();
    }

    private void createBroker() throws Exception {
        broker = BrokerFactory.createBroker("broker:(vm://localhost)");
        broker.setPersistent(false);
        broker.setBrokerName(getName());
        broker.start();

        connection = createConnection();
    }

    @Override
    protected Connection createConnection() throws Exception {
        Connection con = super.createConnection();
        con.start();
        return con;
    }

    private void destroyBroker() throws Exception {
        if (connection != null)
            connection.close();
        if (broker != null)
            broker.stop();
    }

    public void doTest() throws Exception {
        Destination dest = createDestination();

        Session producerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Session consumerSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);

        MessageConsumer consumer = consumerSession.createConsumer(dest);

        MessageProducer prod = producerSession.createProducer(dest);
        Message message = producerSession.createMessage();
        prod.send(message);

        consumer.receive(60 * 1000);
        connection.close();
        connection = null;

        if ( topic ) {
            broker.getAdminView().removeTopic(((ActiveMQDestination)dest).getPhysicalName());
        } else {
            broker.getAdminView().removeQueue(((ActiveMQDestination)dest).getPhysicalName());
        }

        ActiveMQDestination dests[] = broker.getRegionBroker().getDestinations();
        int matchingDestinations = 0;
        for (ActiveMQDestination destination: dests) {
            String name = destination.getPhysicalName();
            LOG.debug("Found destination " + name);
            if (name.startsWith("ActiveMQ.Advisory") && name.contains(getDestinationString())) {
                matchingDestinations++;
            }
        }

        assertEquals("No matching destinations should be found", 0, matchingDestinations);
    }

    public void testTopic() throws Exception {
        topic=true;
        doTest();
    }

    public void testQueue() throws Exception {
        topic=false;
        doTest();
    }
}