| /* |
| * 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.component.jgroups.cluster; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.Executors; |
| import java.util.concurrent.ScheduledExecutorService; |
| import java.util.concurrent.ThreadLocalRandom; |
| import java.util.concurrent.TimeUnit; |
| import java.util.stream.Collectors; |
| import java.util.stream.IntStream; |
| |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.impl.DefaultCamelContext; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| public class JGroupsLockMasterTest { |
| private static final Logger LOGGER = LoggerFactory.getLogger(JGroupsLockMasterTest.class); |
| private static final List<String> CLIENTS = IntStream.range(0, 3).mapToObj(Integer::toString).collect(Collectors.toList()); |
| private static final List<String> RESULTS = new ArrayList<>(); |
| private static final ScheduledExecutorService SCHEDULER = Executors.newScheduledThreadPool(CLIENTS.size()); |
| private static final CountDownLatch LATCH = new CountDownLatch(CLIENTS.size()); |
| |
| // ************************************ |
| // Test |
| // ************************************ |
| |
| @Test |
| public void test() throws Exception { |
| for (String id : CLIENTS) { |
| SCHEDULER.submit(() -> run(id)); |
| } |
| |
| LATCH.await(1, TimeUnit.MINUTES); |
| SCHEDULER.shutdownNow(); |
| |
| Assert.assertEquals(CLIENTS.size(), RESULTS.size()); |
| Assert.assertTrue(RESULTS.containsAll(CLIENTS)); |
| } |
| |
| // ************************************ |
| // Run a Camel node |
| // ************************************ |
| |
| private static void run(String id) { |
| try { |
| int events = ThreadLocalRandom.current().nextInt(2, 6); |
| CountDownLatch contextLatch = new CountDownLatch(events); |
| |
| JGroupsLockClusterService service = new JGroupsLockClusterService(); |
| service.setId("node-" + id); |
| |
| DefaultCamelContext context = new DefaultCamelContext(); |
| context.disableJMX(); |
| context.setName("context-" + id); |
| context.addService(service); |
| context.addRoutes(new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| from("master:jgl:timer:master?delay=1s&period=1s") |
| .routeId("route-" + id) |
| .log("From ${routeId}") |
| .process(e -> contextLatch.countDown()); |
| } |
| }); |
| |
| // Start the context after some random time so the startup order |
| // changes for each test. |
| Thread.sleep(ThreadLocalRandom.current().nextInt(500)); |
| context.start(); |
| |
| contextLatch.await(); |
| |
| LOGGER.debug("Shutting down node {}", id); |
| RESULTS.add(id); |
| |
| context.stop(); |
| |
| LATCH.countDown(); |
| } catch (Exception e) { |
| LOGGER.warn("", e); |
| } |
| } |
| } |