/**
* 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.
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package org.apache.camel.component.quartz2;
import org.apache.camel.CamelContext;
import org.apache.camel.Exchange;
import org.apache.camel.Predicate;
import org.apache.camel.component.mock.MockEndpoint;
import org.apache.camel.test.junit4.TestSupport;
import org.junit.Test;
import org.springframework.context.support.AbstractXmlApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
/**
* Tests a Quartz based cluster setup of two Camel Apps being triggered through {@link QuartzConsumer}.
*
* @version
*/
public class SpringQuartzConsumerTwoAppsClusteredFailoverTest extends TestSupport {
@Test
public void testQuartzPersistentStoreClusteredApp() throws Exception {
// boot up the database the two apps are going to share inside a clustered quartz setup
AbstractXmlApplicationContext db = new ClassPathXmlApplicationContext("org/apache/camel/component/quartz2/SpringQuartzConsumerClusteredAppDatabase.xml");
db.start();
// now launch the first clustered app which will acquire the quartz database lock and become the master
AbstractXmlApplicationContext app = new ClassPathXmlApplicationContext("org/apache/camel/component/quartz2/SpringQuartzConsumerClusteredAppOne.xml");
app.start();
// as well as the second one which will run in slave mode as it will not be able to acquire the same lock
AbstractXmlApplicationContext app2 = new ClassPathXmlApplicationContext("org/apache/camel/component/quartz2/SpringQuartzConsumerClusteredAppTwo.xml");
app2.start();
CamelContext camel = app.getBean("camelContext", CamelContext.class);
MockEndpoint mock = camel.getEndpoint("mock:result", MockEndpoint.class);
mock.expectedMinimumMessageCount(3);
mock.expectedMessagesMatches(new ClusteringPredicate(true));
// let the route run a bit...
Thread.sleep(5000);
mock.assertIsSatisfied();
// now let's simulate a crash of the first app (the quartz instance 'app-one')
log.warn("The first app is going to crash NOW!");
app.close();
log.warn("Crashed...");
log.warn("Crashed...");
log.warn("Crashed...");
// wait long enough until the second app takes it over...
Thread.sleep(20000);
// inside the logs one can then clearly see how the route of the second app ('app-two') starts consuming:
// 2013-09-30 11:22:20,349 [main ] WARN erTwoAppsClusteredFailoverTest - Crashed...
// 2013-09-30 11:22:20,349 [main ] WARN erTwoAppsClusteredFailoverTest - Crashed...
// 2013-09-30 11:22:20,349 [main ] WARN erTwoAppsClusteredFailoverTest - Crashed...
// 2013-09-30 11:22:35,340 [_ClusterManager] INFO LocalDataSourceJobStore - ClusterManager: detected 1 failed or restarted instances.
// 2013-09-30 11:22:35,340 [_ClusterManager] INFO LocalDataSourceJobStore - ClusterManager: Scanning for instance "app-one"'s failed in-progress jobs.
// 2013-09-30 11:22:35,369 [eduler_Worker-1] INFO triggered - Exchange[ExchangePattern: InOnly, BodyType: String, Body: clustering PONGS!]
CamelContext camel2 = app2.getBean("camelContext2", CamelContext.class);
MockEndpoint mock2 = camel2.getEndpoint("mock:result", MockEndpoint.class);
mock2.expectedMinimumMessageCount(3);
mock2.expectedMessagesMatches(new ClusteringPredicate(false));
mock2.assertIsSatisfied();
// close the second app as we're done now
app2.close();
// and as the last step shutdown the database...
db.close();
}
private static class ClusteringPredicate implements Predicate {
private final String expectedPayload;
ClusteringPredicate(boolean pings) {
expectedPayload = pings ? "clustering PINGS!" : "clustering PONGS!";
}
@Override
public boolean matches(Exchange exchange) {
return exchange.getIn().getBody().equals(expectedPayload);
}
}
}