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ActiveMQ example source code file (ThreeBrokerTopicNetworkTest.java)

This example ActiveMQ source code file (ThreeBrokerTopicNetworkTest.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

brokera, brokera, brokerb, brokerb, brokerc, brokerc, destination, exception, message_count, messageconsumer, messageidlist, messageidlist, net, network, object, uri, util

The ActiveMQ ThreeBrokerTopicNetworkTest.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 java.net.URI;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;

import javax.jms.Destination;
import javax.jms.MessageConsumer;
import javax.jms.Topic;

import junit.framework.Test;

import org.apache.activemq.JmsMultipleBrokersTestSupport;
import org.apache.activemq.JmsMultipleBrokersTestSupport.BrokerItem;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.region.policy.PolicyEntry;
import org.apache.activemq.broker.region.policy.PolicyMap;
import org.apache.activemq.util.MessageIdList;

/**
 * 
 */
public class ThreeBrokerTopicNetworkTest extends JmsMultipleBrokersTestSupport {
    protected static final int MESSAGE_COUNT = 100;
    public boolean dynamicOnly;

    /**
     * BrokerA -> BrokerB -> BrokerC
     */
    public void testABandBCbrokerNetwork() throws Exception {
        // Setup broker networks
        bridgeBrokers("BrokerA", "BrokerB");
        bridgeBrokers("BrokerB", "BrokerC");

        startAllBrokers();

        // Setup destination
        Destination dest = createDestination("TEST.FOO", true);

        // Setup consumers
        MessageConsumer clientA = createConsumer("BrokerA", dest);
        MessageConsumer clientB = createConsumer("BrokerB", dest);
        MessageConsumer clientC = createConsumer("BrokerC", dest);

//      let consumers propogate around the network
        Thread.sleep(2000);
        // Send messages
        sendMessages("BrokerA", dest, MESSAGE_COUNT);
        sendMessages("BrokerB", dest, MESSAGE_COUNT);
        sendMessages("BrokerC", dest, MESSAGE_COUNT);

        // Get message count
        MessageIdList msgsA = getConsumerMessages("BrokerA", clientA);
        MessageIdList msgsB = getConsumerMessages("BrokerB", clientB);
        MessageIdList msgsC = getConsumerMessages("BrokerC", clientC);

        msgsA.waitForMessagesToArrive(MESSAGE_COUNT);
        msgsB.waitForMessagesToArrive(MESSAGE_COUNT * 2);
        msgsC.waitForMessagesToArrive(MESSAGE_COUNT * 2);

        assertEquals(MESSAGE_COUNT, msgsA.getMessageCount());
        assertEquals(MESSAGE_COUNT * 2, msgsB.getMessageCount());
        assertEquals(MESSAGE_COUNT * 2, msgsC.getMessageCount());
    }
    
    public void initCombosForTestABandBCbrokerNetworkWithSelectors() {
    	addCombinationValues("dynamicOnly", new Object[] {true, false});
    }
    
    /**
     * BrokerA -> BrokerB -> BrokerC
     */
    public void testABandBCbrokerNetworkWithSelectors() throws Exception {
        // Setup broker networks
        bridgeBrokers("BrokerA", "BrokerB", dynamicOnly, 2, true);
        bridgeBrokers("BrokerB", "BrokerC", dynamicOnly, 2, true);

        startAllBrokers();

        // Setup destination
        Destination dest = createDestination("TEST.FOO", true);

        // Setup consumers
        MessageConsumer clientA = createConsumer("BrokerC", dest, "dummy = 33");
        MessageConsumer clientB = createConsumer("BrokerC", dest, "dummy > 30");
        MessageConsumer clientC = createConsumer("BrokerC", dest, "dummy = 34");

        // let consumers propogate around the network
        Thread.sleep(2000);
        // Send messages
        // Send messages for broker A
        HashMap<String, Object> props = new HashMap();
        props.put("dummy", 33);
        sendMessages("BrokerA", dest, MESSAGE_COUNT, props);
        props.put("dummy", 34);
        sendMessages("BrokerA", dest, MESSAGE_COUNT * 2, props);

        // Get message count
        MessageIdList msgsA = getConsumerMessages("BrokerC", clientA);
        MessageIdList msgsB = getConsumerMessages("BrokerC", clientB);
        MessageIdList msgsC = getConsumerMessages("BrokerC", clientC);

        msgsA.waitForMessagesToArrive(MESSAGE_COUNT);
        msgsB.waitForMessagesToArrive(MESSAGE_COUNT * 3);
        msgsC.waitForMessagesToArrive(MESSAGE_COUNT * 2) ;

        assertEquals(MESSAGE_COUNT, msgsA.getMessageCount());
        assertEquals(MESSAGE_COUNT * 3, msgsB.getMessageCount());
        assertEquals(MESSAGE_COUNT *2, msgsC.getMessageCount());
    }

    /**
     * BrokerA <- BrokerB -> BrokerC
     */
    public void testBAandBCbrokerNetwork() throws Exception {
        // Setup broker networks
        bridgeBrokers("BrokerB", "BrokerA");
        bridgeBrokers("BrokerB", "BrokerC");

        startAllBrokers();

        // Setup destination
        Destination dest = createDestination("TEST.FOO", true);

        // Setup consumers
        MessageConsumer clientA = createConsumer("BrokerA", dest);
        MessageConsumer clientB = createConsumer("BrokerB", dest);
        MessageConsumer clientC = createConsumer("BrokerC", dest);

//      let consumers propogate around the network
        Thread.sleep(2000);
        // Send messages
        sendMessages("BrokerA", dest, MESSAGE_COUNT);
        sendMessages("BrokerB", dest, MESSAGE_COUNT);
        sendMessages("BrokerC", dest, MESSAGE_COUNT);

        // Get message count
        MessageIdList msgsA = getConsumerMessages("BrokerA", clientA);
        MessageIdList msgsB = getConsumerMessages("BrokerB", clientB);
        MessageIdList msgsC = getConsumerMessages("BrokerC", clientC);

        msgsA.waitForMessagesToArrive(MESSAGE_COUNT * 2);
        msgsB.waitForMessagesToArrive(MESSAGE_COUNT);
        msgsC.waitForMessagesToArrive(MESSAGE_COUNT * 2);

        assertEquals(MESSAGE_COUNT * 2, msgsA.getMessageCount());
        assertEquals(MESSAGE_COUNT, msgsB.getMessageCount());
        assertEquals(MESSAGE_COUNT * 2, msgsC.getMessageCount());
    }

    /**
     * BrokerA -> BrokerB <- BrokerC
     */
    public void testABandCBbrokerNetwork() throws Exception {
        // Setup broker networks
        bridgeBrokers("BrokerA", "BrokerB");
        bridgeBrokers("BrokerC", "BrokerB");

        startAllBrokers();

        // Setup destination
        Destination dest = createDestination("TEST.FOO", true);

        // Setup consumers
        MessageConsumer clientA = createConsumer("BrokerA", dest);
        MessageConsumer clientB = createConsumer("BrokerB", dest);
        MessageConsumer clientC = createConsumer("BrokerC", dest);

//      let consumers propogate around the network
        Thread.sleep(2000);
        
        // Send messages
        sendMessages("BrokerA", dest, MESSAGE_COUNT);
        sendMessages("BrokerB", dest, MESSAGE_COUNT);
        sendMessages("BrokerC", dest, MESSAGE_COUNT);

        // Get message count
        MessageIdList msgsA = getConsumerMessages("BrokerA", clientA);
        MessageIdList msgsB = getConsumerMessages("BrokerB", clientB);
        MessageIdList msgsC = getConsumerMessages("BrokerC", clientC);

        msgsA.waitForMessagesToArrive(MESSAGE_COUNT);
        msgsB.waitForMessagesToArrive(MESSAGE_COUNT * 3);
        msgsC.waitForMessagesToArrive(MESSAGE_COUNT);

        assertEquals(MESSAGE_COUNT, msgsA.getMessageCount());
        assertEquals(MESSAGE_COUNT * 3, msgsB.getMessageCount());
        assertEquals(MESSAGE_COUNT, msgsC.getMessageCount());
    }

    /**
     * BrokerA <-> BrokerB <-> BrokerC
     */
    public void testAllConnectedBrokerNetwork() throws Exception {
        // Setup broker networks
        bridgeBrokers("BrokerA", "BrokerB");
        bridgeBrokers("BrokerB", "BrokerA");
        bridgeBrokers("BrokerB", "BrokerC");
        bridgeBrokers("BrokerC", "BrokerB");
        bridgeBrokers("BrokerA", "BrokerC");
        bridgeBrokers("BrokerC", "BrokerA");

        startAllBrokers();

        // Setup destination
        Destination dest = createDestination("TEST.FOO", true);

        // Setup consumers
        MessageConsumer clientA = createConsumer("BrokerA", dest);
        MessageConsumer clientB = createConsumer("BrokerB", dest);
        MessageConsumer clientC = createConsumer("BrokerC", dest);
        //let consumers propogate around the network
        Thread.sleep(2000);

        // Send messages
        sendMessages("BrokerA", dest, MESSAGE_COUNT);
        sendMessages("BrokerB", dest, MESSAGE_COUNT);
        sendMessages("BrokerC", dest, MESSAGE_COUNT);

        // Get message count
        MessageIdList msgsA = getConsumerMessages("BrokerA", clientA);
        MessageIdList msgsB = getConsumerMessages("BrokerB", clientB);
        MessageIdList msgsC = getConsumerMessages("BrokerC", clientC);

        msgsA.waitForMessagesToArrive(MESSAGE_COUNT * 3);
        msgsB.waitForMessagesToArrive(MESSAGE_COUNT * 3);
        msgsC.waitForMessagesToArrive(MESSAGE_COUNT * 3);

        assertEquals(MESSAGE_COUNT * 3, msgsA.getMessageCount());
        assertEquals(MESSAGE_COUNT * 3, msgsB.getMessageCount());
        assertEquals(MESSAGE_COUNT * 3, msgsC.getMessageCount());
    }

    public void testAllConnectedBrokerNetworkSingleProducerTTL() throws Exception {
        
        // duplicates are expected with ttl of 2 as each broker is connected to the next
        // but the dups are suppressed by the store and now also by the topic sub when enableAudit
        // default (true) is present in a matching destination policy entry
        int networkTTL = 2;
        boolean conduitSubs = true;
        // Setup broker networks
        bridgeBrokers("BrokerA", "BrokerB", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerB", "BrokerA", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerB", "BrokerC", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerC", "BrokerB", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerA", "BrokerC", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerC", "BrokerA", dynamicOnly, networkTTL, conduitSubs);

        PolicyMap policyMap = new PolicyMap();
        // enable audit is on by default just need to give it matching policy entry
        // so it will be applied to the topic subscription
        policyMap.setDefaultEntry(new PolicyEntry());
        Collection<BrokerItem> brokerList = brokers.values();
        for (Iterator<BrokerItem> i = brokerList.iterator(); i.hasNext();) {
            BrokerService broker = i.next().broker;
            broker.setDestinationPolicy(policyMap);
            broker.setDeleteAllMessagesOnStartup(true);
        }
        startAllBrokers();

        // Setup destination
        Destination dest = createDestination("TEST.FOO", true);

        // Setup consumers
        MessageConsumer clientA = createConsumer("BrokerA", dest);
        MessageConsumer clientB = createConsumer("BrokerB", dest);
        MessageConsumer clientC = createConsumer("BrokerC", dest);
        //let consumers propogate around the network
        Thread.sleep(2000);

        // Send messages
        sendMessages("BrokerA", dest, 1);
        
        // Get message count
        MessageIdList msgsA = getConsumerMessages("BrokerA", clientA);
        MessageIdList msgsB = getConsumerMessages("BrokerB", clientB);
        MessageIdList msgsC = getConsumerMessages("BrokerC", clientC);

        msgsA.waitForMessagesToArrive(1);
        msgsB.waitForMessagesToArrive(1);
        msgsC.waitForMessagesToArrive(1);

        // ensure we don't get any more messages
        Thread.sleep(2000);
        
        assertEquals(1, msgsA.getMessageCount());
        assertEquals(1, msgsB.getMessageCount());
        assertEquals(1, msgsC.getMessageCount());
    }

    public void testAllConnectedBrokerNetworkDurableSubTTL() throws Exception {
        int networkTTL = 2;
        boolean conduitSubs = true;
        // Setup broker networks
        bridgeBrokers("BrokerA", "BrokerB", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerB", "BrokerA", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerB", "BrokerC", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerC", "BrokerB", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerA", "BrokerC", dynamicOnly, networkTTL, conduitSubs);
        bridgeBrokers("BrokerC", "BrokerA", dynamicOnly, networkTTL, conduitSubs);

        startAllBrokers();

        // Setup destination
        Destination dest = createDestination("TEST.FOO", true);

        // Setup consumers
        MessageConsumer clientA = createDurableSubscriber("BrokerA", (Topic)dest, "clientA");
        MessageConsumer clientB = createDurableSubscriber("BrokerB", (Topic)dest, "clientB");
        MessageConsumer clientC = createDurableSubscriber("BrokerC", (Topic)dest, "clientC");
        //let consumers propogate around the network
        Thread.sleep(2000);

        // Send messages
        sendMessages("BrokerA", dest, 1);

        // Get message count
        MessageIdList msgsA = getConsumerMessages("BrokerA", clientA);
        MessageIdList msgsB = getConsumerMessages("BrokerB", clientB);
        MessageIdList msgsC = getConsumerMessages("BrokerC", clientC);

        msgsA.waitForMessagesToArrive(1);
        msgsB.waitForMessagesToArrive(1);
        msgsC.waitForMessagesToArrive(1);

        // ensure we don't get any more messages
        Thread.sleep(2000);
        
        assertEquals(1, msgsA.getMessageCount());
        assertEquals(1, msgsB.getMessageCount());
        assertEquals(1, msgsC.getMessageCount());
    }
    
    /**
     * BrokerA <-> BrokerB <-> BrokerC
     */
    public void testAllConnectedUsingMulticast() throws Exception {
        // Setup broker networks
        bridgeAllBrokers();

        startAllBrokers();

        // Setup destination
        Destination dest = createDestination("TEST.FOO", true);

        // Setup consumers
        MessageConsumer clientA = createConsumer("BrokerA", dest);
        MessageConsumer clientB = createConsumer("BrokerB", dest);
        MessageConsumer clientC = createConsumer("BrokerC", dest);
        
        //let consumers propogate around the network
        Thread.sleep(2000);

        // Send messages
        sendMessages("BrokerA", dest, MESSAGE_COUNT);
        sendMessages("BrokerB", dest, MESSAGE_COUNT);
        sendMessages("BrokerC", dest, MESSAGE_COUNT);

        // Get message count
        MessageIdList msgsA = getConsumerMessages("BrokerA", clientA);
        MessageIdList msgsB = getConsumerMessages("BrokerB", clientB);
        MessageIdList msgsC = getConsumerMessages("BrokerC", clientC);

        msgsA.waitForMessagesToArrive(MESSAGE_COUNT * 3);
        msgsB.waitForMessagesToArrive(MESSAGE_COUNT * 3);
        msgsC.waitForMessagesToArrive(MESSAGE_COUNT * 3);

        assertEquals(MESSAGE_COUNT * 3, msgsA.getMessageCount());
        assertEquals(MESSAGE_COUNT * 3, msgsB.getMessageCount());
        assertEquals(MESSAGE_COUNT * 3, msgsC.getMessageCount());
    }

    public void setUp() throws Exception {
        super.setAutoFail(true);
        super.setUp();
        String options = new String("?persistent=false&useJmx=false"); 
        createBroker(new URI("broker:(tcp://localhost:61616)/BrokerA" + options));
        createBroker(new URI("broker:(tcp://localhost:61617)/BrokerB" + options));
        createBroker(new URI("broker:(tcp://localhost:61618)/BrokerC" + options));
    }
    
    public static Test suite() {
    	return suite(ThreeBrokerTopicNetworkTest.class);
    }
}

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