mirror of https://github.com/apache/activemq.git
Adds a test case showing a particular use case of camel in/out routes and failover that can go bad with the wrong config.
git-svn-id: https://svn.apache.org/repos/asf/activemq/trunk@1358398 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Timothy A. Bish
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/**
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.activemq.camel.component;
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import static org.junit.Assert.assertNotNull;
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import org.apache.activemq.ActiveMQConnectionFactory;
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import org.apache.activemq.broker.BrokerService;
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import org.apache.activemq.pool.PooledConnectionFactory;
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import org.apache.camel.CamelContext;
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import org.apache.camel.ProducerTemplate;
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import org.apache.camel.builder.RouteBuilder;
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import org.apache.camel.impl.DefaultCamelContext;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import scala.actors.threadpool.TimeUnit;
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public class ComplexRequestReplyTest {
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private static final Logger LOG = LoggerFactory.getLogger(ComplexRequestReplyTest.class);
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private BrokerService brokerA = null;
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private BrokerService brokerB = null;
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private CamelContext senderContext = null;
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private CamelContext brokerAContext = null;
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private CamelContext brokerBContext = null;
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private final String fromEndpoint = "direct:test";
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private final String toEndpoint = "activemq:queue:send";
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private final String brokerEndpoint = "activemq:send";
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private final String connectionUri = "failover:(tcp://localhost:61616,tcp://localhost:61617)?randomize=false";
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@Before
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public void setUp() throws Exception {
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createBrokerA();
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createBrokerB();
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senderContext = createSenderContext();
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}
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@After
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public void tearDown() throws Exception {
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shutdownBrokerA();
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shutdownBrokerB();
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}
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@Test
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public void testSendThenFailoverThenSend() throws Exception {
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ProducerTemplate requester = senderContext.createProducerTemplate();
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LOG.info("*** Sending Request 1");
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String response = (String) requester.requestBody(fromEndpoint, "This is a request");
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assertNotNull(response != null);
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LOG.info("Got response: " + response);
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/**
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* You actually don't need to restart the broker, just wait long enough and the next
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* next send will take out a closed connection and reconnect, and if you happen to hit
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* the broker you weren't on last time, then you will see the failure.
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*/
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TimeUnit.SECONDS.sleep(20);
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/**
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* I restart the broker after the wait that exceeds the idle timeout value of the
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* PooledConnectionFactory to show that it doesn't matter now as the older connection
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* has already been closed.
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*/
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LOG.info("Restarting Broker A now.");
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shutdownBrokerA();
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createBrokerA();
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LOG.info("*** Sending Request 2");
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response = (String) requester.requestBody(fromEndpoint, "This is a request");
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assertNotNull(response != null);
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LOG.info("Got response: " + response);
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}
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private CamelContext createSenderContext() throws Exception {
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ActiveMQConnectionFactory amqFactory = new ActiveMQConnectionFactory(connectionUri);
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amqFactory.setWatchTopicAdvisories(false);
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PooledConnectionFactory pooled = new PooledConnectionFactory(amqFactory);
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pooled.setMaxConnections(1);
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pooled.setMaximumActive(500);
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// If this is not zero the connection could get closed and the request
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// reply can fail.
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pooled.setIdleTimeout(0);
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CamelContext camelContext = new DefaultCamelContext();
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ActiveMQComponent amqComponent = new ActiveMQComponent();
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amqComponent.setConnectionFactory(pooled);
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camelContext.addComponent("activemq", amqComponent);
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camelContext.addRoutes(new RouteBuilder() {
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@Override
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public void configure() throws Exception {
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from(fromEndpoint).inOut(toEndpoint);
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}
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});
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camelContext.start();
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return camelContext;
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}
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private void createBrokerA() throws Exception {
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brokerA = createBroker("brokerA", 61616);
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brokerAContext = createBrokerCamelContext("brokerA");
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brokerA.start();
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brokerA.waitUntilStarted();
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}
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private void shutdownBrokerA() throws Exception {
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brokerAContext.stop();
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brokerA.stop();
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brokerA.waitUntilStopped();
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brokerA = null;
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}
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private void createBrokerB() throws Exception {
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brokerB = createBroker("brokerB", 61617);
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brokerBContext = createBrokerCamelContext("brokerB");
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brokerB.start();
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brokerB.waitUntilStarted();
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}
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private void shutdownBrokerB() throws Exception {
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brokerBContext.stop();
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brokerB.stop();
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brokerB.waitUntilStopped();
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brokerB = null;
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}
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private BrokerService createBroker(String name, int port) throws Exception {
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BrokerService service = new BrokerService();
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service.setPersistent(false);
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service.setUseJmx(false);
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service.setBrokerName(name);
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service.addConnector("tcp://localhost:" + Integer.toString(port));
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return service;
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}
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private CamelContext createBrokerCamelContext(String brokerName) throws Exception {
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CamelContext camelContext = new DefaultCamelContext();
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camelContext.addComponent("activemq",
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ActiveMQComponent.activeMQComponent("vm://"+brokerName+"?create=false&waitForStart=10000"));
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camelContext.addRoutes(new RouteBuilder() {
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@Override
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public void configure() throws Exception {
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from(brokerEndpoint).setBody().simple("Returning ${body}").log("***Reply sent to ${header.JMSReplyTo} CoorId = ${header.JMSCorrelationID}");
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}
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});
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camelContext.start();
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return camelContext;
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}
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}
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