ActiveMQ example source code file (BrokerStatisticsPluginTest.java)

This example ActiveMQ source code file (BrokerStatisticsPluginTest.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

brokerplugin, brokerservice, brokerservice, exception, exception, mapmessage, mapmessage, message, messageconsumer, messageproducer, net, network, queue, queue, session, uri, util

The ActiveMQ BrokerStatisticsPluginTest.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.plugin;

import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerFactory;
import org.apache.activemq.broker.BrokerPlugin;
import org.apache.activemq.broker.BrokerService;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.net.URI;
import java.util.Enumeration;
import javax.jms.Connection;
import javax.jms.ConnectionFactory;
import javax.jms.MapMessage;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.MessageProducer;
import javax.jms.Queue;
import javax.jms.Session;
import junit.framework.TestCase;

/**
 * A BrokerStatisticsPluginTest
 * A testcase for https://issues.apache.org/activemq/browse/AMQ-2379
 *
 */
public class BrokerStatisticsPluginTest extends TestCase{
    private static final Logger LOG = LoggerFactory.getLogger(BrokerStatisticsPluginTest.class);
    
    private Connection connection;
    private BrokerService broker;
    
    public void testBrokerStats() throws Exception{
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Queue replyTo = session.createTemporaryQueue();
        MessageConsumer consumer = session.createConsumer(replyTo);
        Queue query = session.createQueue(StatisticsBroker.STATS_BROKER_PREFIX);
        MessageProducer producer = session.createProducer(query);
        Message msg = session.createMessage();
        msg.setJMSReplyTo(replyTo);
        producer.send(msg);
        MapMessage reply = (MapMessage) consumer.receive(10*1000);
        assertNotNull(reply);
        assertTrue(reply.getMapNames().hasMoreElements());
        /*
        for (Enumeration e = reply.getMapNames();e.hasMoreElements();) {
            String name = e.nextElement().toString();
            System.err.println(name+"="+reply.getObject(name));
        }
        */
        
        
    }
    
    public void testDestinationStats() throws Exception{
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
        Queue replyTo = session.createTemporaryQueue();
        MessageConsumer consumer = session.createConsumer(replyTo);
        Queue testQueue = session.createQueue("Test.Queue");
        MessageProducer producer = session.createProducer(null);
        Queue query = session.createQueue(StatisticsBroker.STATS_DESTINATION_PREFIX + testQueue.getQueueName());
        Message msg = session.createMessage();
        
        producer.send(testQueue,msg);
        
        msg.setJMSReplyTo(replyTo);
        producer.send(query,msg);
        MapMessage reply = (MapMessage) consumer.receive();
        assertNotNull(reply);
        assertTrue(reply.getMapNames().hasMoreElements());
        /*
        for (Enumeration e = reply.getMapNames();e.hasMoreElements();) {
            String name = e.nextElement().toString();
            System.err.println(name+"="+reply.getObject(name));
        }
        */
        
        
    }
    
    protected void setUp() throws Exception {
        broker = createBroker();
        ConnectionFactory factory = new ActiveMQConnectionFactory(broker.getTransportConnectorURIsAsMap().get("tcp"));
        connection = factory.createConnection();
        connection.start();
    }
    
    protected void tearDown() throws Exception{
        if (this.connection != null) {
            this.connection.close();
        }
        if (this.broker!=null) {
            this.broker.stop();
        }
    }
    
    protected BrokerService createBroker() throws Exception {
        //return createBroker("org/apache/activemq/plugin/statistics-plugin-broker.xml");
        BrokerService answer = new BrokerService();
        BrokerPlugin[] plugins = new BrokerPlugin[1];
        plugins[0] = new StatisticsBrokerPlugin();
        answer.setPlugins(plugins);
        answer.setDeleteAllMessagesOnStartup(true);
        answer.addConnector("tcp://localhost:0");
        answer.start();
        return answer;
    }
    
    protected BrokerService createBroker(String uri) throws Exception {
        LOG.info("Loading broker configuration from the classpath with URI: " + uri);
        return BrokerFactory.createBroker(new URI("xbean:" + uri));
    }
}