/**
* 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.camel.itest.jms;
import java.util.ArrayList;
import java.util.List;
import javax.jms.ConnectionFactory;
import javax.naming.Context;
import org.apache.camel.Header;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.component.jms.JmsComponent;
import org.apache.camel.itest.CamelJmsTestHelper;
import org.apache.camel.test.junit4.CamelTestSupport;
import org.apache.camel.util.jndi.JndiContext;
import org.junit.Test;
import static org.apache.camel.component.jms.JmsComponent.jmsComponentAutoAcknowledge;
/**
* @version
*/
public class JmsPerformanceTest extends CamelTestSupport {
private List<Integer> receivedHeaders = new ArrayList<Integer>(getMessageCount());
private List<Object> receivedMessages = new ArrayList<Object>(getMessageCount());
@Test
public void testSendingAndReceivingMessages() throws Exception {
log.info("Sending {} messages", getMessageCount());
sendLoop(getMessageCount());
log.info("Sending {} messages completed, now will assert on their content as well as the order of their receipt", getMessageCount());
// should wait a bit to make sure all messages have been received by the MyBean#onMessage() method
// as this happens asynchronously, that's not inside the 'main' thread
Thread.sleep(3000);
assertExpectedMessagesReceived();
}
protected int getMessageCount() {
return 100;
}
protected void sendLoop(int messageCount) {
for (int i = 1; i <= messageCount; i++) {
sendMessage(i);
}
}
protected void sendMessage(int messageCount) {
template.sendBodyAndHeader("activemq:" + getQueueName(), "Hello:" + messageCount, "counter", messageCount);
}
protected String getQueueName() {
return "testSendingAndReceivingMessages";
}
protected void assertExpectedMessagesReceived() throws InterruptedException {
// assert on the expected message count
assertEquals("The expected message count does not match!", getMessageCount(), receivedMessages.size());
// assert on the expected message order
List<Integer> expectedHeaders = new ArrayList<Integer>(getMessageCount());
for (int i = 1; i <= getMessageCount(); i++) {
expectedHeaders.add(i);
}
List<Object> expectedMessages = new ArrayList<Object>(getMessageCount());
for (int i = 1; i <= getMessageCount(); i++) {
expectedMessages.add("Hello:" + i);
}
assertEquals("The expected header order does not match!", expectedHeaders, receivedHeaders);
assertEquals("The expected message order does not match!", expectedMessages, receivedMessages);
}
@Override
protected Context createJndiContext() throws Exception {
JndiContext answer = new JndiContext();
answer.bind("myBean", new MyBean());
// add AMQ client and make use of connection pooling we depend on because of the (large) number
// of the JMS messages we do produce
// add ActiveMQ with embedded broker
ConnectionFactory connectionFactory = CamelJmsTestHelper.createConnectionFactory();
JmsComponent amq = jmsComponentAutoAcknowledge(connectionFactory);
amq.setCamelContext(context);
answer.bind("activemq", amq);
return answer;
}
@Override
protected RouteBuilder createRouteBuilder() throws Exception {
return new RouteBuilder() {
public void configure() {
from("activemq:" + getQueueName()).to("bean:myBean");
}
};
}
protected class MyBean {
public void onMessage(@Header("counter") int counter, Object body) {
// the invocation of this method happens inside the same thread so no need for a thread-safe list here
receivedHeaders.add(counter);
receivedMessages.add(body);
}
}
}