ActiveMQ example source code file (AMQ2439Test.java)

This example ActiveMQ source code file (AMQ2439Test.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

amq2439test, brokera, brokera, brokerb, brokerb, brokeritem, connection, exception, exception, logger, message, messageconsumer, net, network, uri, uri

The ActiveMQ AMQ2439Test.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.bugs;

import java.net.URI;

import javax.jms.Connection;
import javax.jms.Destination;
import javax.jms.Message;
import javax.jms.MessageConsumer;
import javax.jms.Session;

import org.apache.activemq.JmsMultipleBrokersTestSupport;
import org.apache.activemq.broker.jmx.BrokerView;
import org.apache.activemq.util.Wait;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class AMQ2439Test extends JmsMultipleBrokersTestSupport {
    private static final Logger LOG = LoggerFactory.getLogger(AMQ2439Test.class);
    Destination dest;

    
    public void testDuplicatesThroughNetwork() throws Exception {
        assertEquals("received expected amount", 500, receiveExactMessages("BrokerB", 500));
        assertEquals("received expected amount", 500, receiveExactMessages("BrokerB", 500));
        validateQueueStats();
    }
    
    private void validateQueueStats() throws Exception {
       final BrokerView brokerView = brokers.get("BrokerA").broker.getAdminView();
       assertEquals("enequeue is correct", 1000, brokerView.getTotalEnqueueCount());
       
       assertTrue("dequeue is correct", Wait.waitFor(new Wait.Condition() {
           public boolean isSatisified() throws Exception {
               LOG.info("dequeue count (want 1000), is : " + brokerView.getTotalDequeueCount());
               return 1000 == brokerView.getTotalDequeueCount();
           }
       }));
    }

    protected int receiveExactMessages(String brokerName, int msgCount) throws Exception {
        
        BrokerItem brokerItem = brokers.get(brokerName);
        Connection connection = brokerItem.createConnection();
        connection.start();
        Session session = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);       
        MessageConsumer consumer = session.createConsumer(dest);
        
        Message msg;
        int i;
        for (i = 0; i < msgCount; i++) {
            msg = consumer.receive(1000);
            if (msg == null) {
                break;
            }
        }

        connection.close();
        brokerItem.connections.remove(connection);
        
        return i;
    }
    
    public void setUp() throws Exception {
        super.setUp();
        createBroker(new URI("broker:(tcp://localhost:61616)/BrokerA?persistent=true&deleteAllMessagesOnStartup=true&advisorySupport=false"));
        createBroker(new URI("broker:(tcp://localhost:61617)/BrokerB?persistent=true&deleteAllMessagesOnStartup=true&useJmx=false"));
        bridgeBrokers("BrokerA", "BrokerB");
        
        startAllBrokers();
        
        // Create queue
        dest = createDestination("TEST.FOO", false);
        sendMessages("BrokerA", dest, 1000);
    }   
}