/**
* 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.camel.component;
import static org.junit.Assert.assertNotNull;
import java.util.concurrent.TimeUnit;
import org.apache.activemq.ActiveMQConnectionFactory;
import org.apache.activemq.broker.BrokerService;
import org.apache.activemq.pool.PooledConnectionFactory;
import org.apache.camel.CamelContext;
import org.apache.camel.ProducerTemplate;
import org.apache.camel.builder.RouteBuilder;
import org.apache.camel.impl.DefaultCamelContext;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ComplexRequestReplyTest {
private static final Logger LOG = LoggerFactory.getLogger(ComplexRequestReplyTest.class);
private BrokerService brokerA = null;
private BrokerService brokerB = null;
private CamelContext senderContext = null;
private CamelContext brokerAContext = null;
private CamelContext brokerBContext = null;
private final String fromEndpoint = "direct:test";
private final String toEndpoint = "activemq:queue:send";
private final String brokerEndpoint = "activemq:send";
private String brokerAUri;
private String brokerBUri;
private String connectionUri;
@Before
public void setUp() throws Exception {
createBrokerA();
brokerAUri = brokerA.getTransportConnectors().get(0).getPublishableConnectString();
createBrokerB();
brokerBUri = brokerB.getTransportConnectors().get(0).getPublishableConnectString();
connectionUri = "failover:(" + brokerAUri + "," + brokerBUri + ")?randomize=false";
senderContext = createSenderContext();
}
@After
public void tearDown() throws Exception {
try {
shutdownBrokerA();
} catch (Exception ex) {}
try {
shutdownBrokerB();
} catch (Exception e) {}
}
@Test
public void testSendThenFailoverThenSend() throws Exception {
ProducerTemplate requester = senderContext.createProducerTemplate();
LOG.info("*** Sending Request 1");
String response = (String) requester.requestBody(fromEndpoint, "This is a request");
assertNotNull(response != null);
LOG.info("Got response: " + response);
/**
* You actually don't need to restart the broker, just wait long enough and the next
* next send will take out a closed connection and reconnect, and if you happen to hit
* the broker you weren't on last time, then you will see the failure.
*/
TimeUnit.SECONDS.sleep(20);
/**
* I restart the broker after the wait that exceeds the idle timeout value of the
* PooledConnectionFactory to show that it doesn't matter now as the older connection
* has already been closed.
*/
LOG.info("Restarting Broker A now.");
shutdownBrokerA();
createBrokerA();
LOG.info("*** Sending Request 2");
response = (String) requester.requestBody(fromEndpoint, "This is a request");
assertNotNull(response != null);
LOG.info("Got response: " + response);
}
private CamelContext createSenderContext() throws Exception {
ActiveMQConnectionFactory amqFactory = new ActiveMQConnectionFactory(connectionUri);
amqFactory.setWatchTopicAdvisories(false);
PooledConnectionFactory pooled = new PooledConnectionFactory(amqFactory);
pooled.setMaxConnections(1);
pooled.setMaximumActiveSessionPerConnection(500);
// If this is not zero the connection could get closed and the request
// reply can fail.
pooled.setIdleTimeout(0);
CamelContext camelContext = new DefaultCamelContext();
ActiveMQComponent amqComponent = new ActiveMQComponent();
amqComponent.setConnectionFactory(pooled);
camelContext.addComponent("activemq", amqComponent);
camelContext.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
from(fromEndpoint).inOut(toEndpoint);
}
});
camelContext.start();
return camelContext;
}
private void createBrokerA() throws Exception {
brokerA = createBroker("brokerA");
brokerAContext = createBrokerCamelContext("brokerA");
brokerA.start();
brokerA.waitUntilStarted();
}
private void shutdownBrokerA() throws Exception {
try {
brokerAContext.stop();
} catch (Exception e) {
brokerA.stop();
brokerA.waitUntilStopped();
brokerA = null;
}
}
private void createBrokerB() throws Exception {
brokerB = createBroker("brokerB");
brokerBContext = createBrokerCamelContext("brokerB");
brokerB.start();
brokerB.waitUntilStarted();
}
private void shutdownBrokerB() throws Exception {
try {
brokerBContext.stop();
} finally {
brokerB.stop();
brokerB.waitUntilStopped();
brokerB = null;
}
}
private BrokerService createBroker(String name) throws Exception {
BrokerService service = new BrokerService();
service.setPersistent(false);
service.setUseJmx(false);
service.setBrokerName(name);
service.addConnector("tcp://localhost:0");
return service;
}
private CamelContext createBrokerCamelContext(String brokerName) throws Exception {
CamelContext camelContext = new DefaultCamelContext();
camelContext.addComponent("activemq",
ActiveMQComponent.activeMQComponent("vm://"+brokerName+"?create=false&waitForStart=10000"));
camelContext.addRoutes(new RouteBuilder() {
@Override
public void configure() throws Exception {
from(brokerEndpoint).setBody().simple("Returning ${body}").log("***Reply sent to ${header.JMSReplyTo} CoorId = ${header.JMSCorrelationID}");
}
});
camelContext.start();
return camelContext;
}
}