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ActiveMQ example source code file (MultiBrokersMultiClientsTest.java)
This example ActiveMQ source code file (MultiBrokersMultiClientsTest.java) is included in the DevDaily.com
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The ActiveMQ MultiBrokersMultiClientsTest.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.lang.Thread.UncaughtExceptionHandler;
import java.net.URI;
import java.util.HashMap;
import java.util.Map;
import java.util.Map.Entry;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.TimeUnit;
import javax.jms.Destination;
import javax.jms.MessageConsumer;
import org.apache.activemq.JmsMultipleBrokersTestSupport;
import org.apache.activemq.util.MessageIdList;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
*
*/
public class MultiBrokersMultiClientsTest extends JmsMultipleBrokersTestSupport implements UncaughtExceptionHandler {
public static final int BROKER_COUNT = 6; // number of brokers to network
public static final int CONSUMER_COUNT = 25; // consumers per broker
public static final int PRODUCER_COUNT = 3; // producers per broker
public static final int MESSAGE_COUNT = 20; // messages per producer
private static final Logger LOG = LoggerFactory.getLogger(MultiBrokersMultiClientsTest.class);
protected Map<String, MessageConsumer> consumerMap;
Map<Thread, Throwable> unhandeledExceptions = new HashMap();
public void testTopicAllConnected() throws Exception {
bridgeAllBrokers();
startAllBrokers();
waitForBridgeFormation();
// Setup topic destination
Destination dest = createDestination("TEST.FOO", true);
CountDownLatch latch = new CountDownLatch(BROKER_COUNT * PRODUCER_COUNT * BROKER_COUNT * CONSUMER_COUNT * MESSAGE_COUNT);
// Setup consumers
for (int i = 1; i <= BROKER_COUNT; i++) {
for (int j = 0; j < CONSUMER_COUNT; j++) {
consumerMap.put("Consumer:" + i + ":" + j, createConsumer("Broker" + i, dest, latch));
}
}
// wait for consumers to get propagated
for (int i = 1; i <= BROKER_COUNT; i++) {
// all consumers on the remote brokers look like 1 consumer to the local broker.
assertConsumersConnect("Broker" + i, dest, (BROKER_COUNT-1)+CONSUMER_COUNT, 65000);
}
// Send messages
for (int i = 1; i <= BROKER_COUNT; i++) {
for (int j = 0; j < PRODUCER_COUNT; j++) {
sendMessages("Broker" + i, dest, MESSAGE_COUNT);
}
}
assertTrue("Missing " + latch.getCount() + " messages", latch.await(45, TimeUnit.SECONDS));
// Get message count
for (int i = 1; i <= BROKER_COUNT; i++) {
for (int j = 0; j < CONSUMER_COUNT; j++) {
MessageIdList msgs = getConsumerMessages("Broker" + i, (MessageConsumer)consumerMap.get("Consumer:" + i + ":" + j));
assertEquals(BROKER_COUNT * PRODUCER_COUNT * MESSAGE_COUNT, msgs.getMessageCount());
}
}
assertNoUnhandeledExceptions();
}
private void assertNoUnhandeledExceptions() {
for( Entry<Thread, Throwable> e: unhandeledExceptions.entrySet()) {
LOG.error("Thread:" + e.getKey() + " Had unexpected: " + e.getValue());
}
assertTrue("There are no unhandelled exceptions, see: log for detail on: " + unhandeledExceptions,
unhandeledExceptions.isEmpty());
}
public void testQueueAllConnected() throws Exception {
bridgeAllBrokers();
startAllBrokers();
this.waitForBridgeFormation();
// Setup topic destination
Destination dest = createDestination("TEST.FOO", false);
CountDownLatch latch = new CountDownLatch(BROKER_COUNT * PRODUCER_COUNT * MESSAGE_COUNT);
// Setup consumers
for (int i = 1; i <= BROKER_COUNT; i++) {
for (int j = 0; j < CONSUMER_COUNT; j++) {
consumerMap.put("Consumer:" + i + ":" + j, createConsumer("Broker" + i, dest, latch));
}
}
// wait for consumers to get propagated
for (int i = 1; i <= BROKER_COUNT; i++) {
// all consumers on the remote brokers look like 1 consumer to the local broker.
assertConsumersConnect("Broker" + i, dest, (BROKER_COUNT-1)+CONSUMER_COUNT, 65000);
}
// Send messages
for (int i = 1; i <= BROKER_COUNT; i++) {
for (int j = 0; j < PRODUCER_COUNT; j++) {
sendMessages("Broker" + i, dest, MESSAGE_COUNT);
}
}
// Wait for messages to be delivered
assertTrue("Missing " + latch.getCount() + " messages", latch.await(45, TimeUnit.SECONDS));
// Get message count
int totalMsg = 0;
for (int i = 1; i <= BROKER_COUNT; i++) {
for (int j = 0; j < CONSUMER_COUNT; j++) {
MessageIdList msgs = getConsumerMessages("Broker" + i, consumerMap.get("Consumer:" + i + ":" + j));
totalMsg += msgs.getMessageCount();
}
}
assertEquals(BROKER_COUNT * PRODUCER_COUNT * MESSAGE_COUNT, totalMsg);
assertNoUnhandeledExceptions();
}
public void setUp() throws Exception {
super.setAutoFail(true);
super.setUp();
unhandeledExceptions.clear();
Thread.setDefaultUncaughtExceptionHandler(this);
// Setup n brokers
for (int i = 1; i <= BROKER_COUNT; i++) {
createBroker(new URI("broker:()/Broker" + i + "?persistent=false&useJmx=false"));
}
consumerMap = new HashMap<String, MessageConsumer>();
}
public void uncaughtException(Thread t, Throwable e) {
synchronized(unhandeledExceptions) {
unhandeledExceptions.put(t,e);
}
}
}
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