ActiveMQ example source code file (MulticastDiscoveryOnFaultyNetworkTest.java)

This example ActiveMQ source code file (MulticastDiscoveryOnFaultyNetworkTest.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

discoverynetworkconnector, exception, exception, hub, message_count, message_count, net, network, networkconnector, object, override, spoke, string, string, uri, uri, util

The ActiveMQ MulticastDiscoveryOnFaultyNetworkTest.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.List;

import javax.jms.Destination;
import javax.jms.MessageConsumer;
import javax.jms.TextMessage;

import junit.framework.Test;

import org.apache.activemq.JmsMultipleBrokersTestSupport;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.broker.TransportConnector;
import org.apache.activemq.network.DiscoveryNetworkConnector;
import org.apache.activemq.network.NetworkConnector;
import org.apache.activemq.util.MessageIdList;


public class MulticastDiscoveryOnFaultyNetworkTest extends JmsMultipleBrokersTestSupport {
    protected static final int MESSAGE_COUNT = 200;
    private static final String HUB = "HubBroker";
    private static final String SPOKE = "SpokeBroker";
    public boolean useDuplexNetworkBridge;
    public boolean sumulateStalledNetwork;

   private TransportConnector mCastTrpConnector;
   
    public void initCombosForTestSendOnAFaultyTransport() {
        addCombinationValues( "useDuplexNetworkBridge", new Object[]{ Boolean.TRUE , Boolean.FALSE } );
        addCombinationValues( "sumulateStalledNetwork", new Object[]{ Boolean.TRUE } );
    }
    
    public void testSendOnAFaultyTransport() throws Exception {
        bridgeBrokers(SPOKE, HUB);

        startAllBrokers();

        // Setup destination
        Destination dest = createDestination("TEST.FOO", false);
        
        // Setup consumers
        MessageConsumer client = createConsumer(HUB, dest);
        
        // allow subscription information to flow back to Spoke
        sleep(600);
        
        // Send messages
        sendMessages(SPOKE, dest, MESSAGE_COUNT);

        MessageIdList msgs = getConsumerMessages(HUB, client);
	msgs.setMaximumDuration(200000L);
        msgs.waitForMessagesToArrive(MESSAGE_COUNT);

        assertTrue("At least message " + MESSAGE_COUNT + 
                " must be recieved, duplicates are expected, count=" + msgs.getMessageCount(),
                MESSAGE_COUNT <= msgs.getMessageCount());
    }

    
    @Override
    protected void startAllBrokers() throws Exception {
        // Ensure HUB is started first so bridge will be active from the get go
        BrokerItem brokerItem = brokers.get(HUB);
        brokerItem.broker.start();
        brokerItem = brokers.get(SPOKE);
        brokerItem.broker.start();
    }

    public void setUp() throws Exception {
        super.setAutoFail(true);
        super.setUp();
        final String options = "?persistent=false&useJmx=false&deleteAllMessagesOnStartup=true";
        createBroker(new URI("broker:(tcpfaulty://localhost:61617)/" + HUB + options));
        createBroker(new URI("broker:(tcpfaulty://localhost:61616)/" + SPOKE + options));
    }
    
    public static Test suite() {
        return suite(MulticastDiscoveryOnFaultyNetworkTest.class);
    }
       
    @Override
    protected void onSend(int i, TextMessage msg) {
        sleep(50);
    }

    private void sleep(int milliSecondTime) {
        try {
            Thread.sleep(milliSecondTime);
        } catch (InterruptedException igonred) {
        }    
    }


    @Override
    protected NetworkConnector bridgeBrokers(BrokerService localBroker, BrokerService remoteBroker, boolean dynamicOnly, int networkTTL, boolean conduit, boolean failover) throws Exception {
        DiscoveryNetworkConnector connector = new DiscoveryNetworkConnector(new URI("multicast://default?group=TESTERIC&useLocalHost=false"));
        connector.setDynamicOnly(dynamicOnly);
        connector.setNetworkTTL(networkTTL);
        localBroker.addNetworkConnector(connector);
        maxSetupTime = 2000;
        if (useDuplexNetworkBridge) {
            connector.setDuplex(true);
        }

        List<TransportConnector> transportConnectors = remoteBroker.getTransportConnectors();
        if (!transportConnectors.isEmpty()) {
		mCastTrpConnector = ((TransportConnector)transportConnectors.get(0));
		mCastTrpConnector.setDiscoveryUri(new URI("multicast://default?group=TESTERIC"));
	}
	return connector;
    }
}