| /* |
| * 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.samza.executors; |
| |
| import junit.framework.Assert; |
| import org.junit.Test; |
| |
| import java.util.Iterator; |
| import java.util.concurrent.ConcurrentLinkedQueue; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.TimeUnit; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| public class TestKeyBasedExecutorService { |
| |
| @Test |
| public void testSubmitOrdered() { |
| KeyBasedExecutorService executorService = new KeyBasedExecutorService("test", 2); |
| ConcurrentLinkedQueue<Integer> resultFromThread0 = new ConcurrentLinkedQueue<>(); |
| ConcurrentLinkedQueue<Integer> resultFromThread1 = new ConcurrentLinkedQueue<>(); |
| |
| final CountDownLatch shutdownLatch = new CountDownLatch(10); |
| |
| for (int i = 0; i < 10; i++) { |
| final int currentStep = i; |
| executorService.submitOrdered(currentStep, new Runnable() { |
| @Override |
| public void run() { |
| String threadName = Thread.currentThread().getName(); |
| Pattern compiledPattern = Pattern.compile("test-(.+)-0"); |
| Matcher matcher = compiledPattern.matcher(threadName); |
| if (matcher.find()) { |
| String threadPoolNumber = matcher.group(1); |
| if ("0".equals(threadPoolNumber)) { |
| resultFromThread0.add(currentStep); |
| } else if ("1".equals(threadPoolNumber)) { |
| resultFromThread1.add(currentStep); |
| } |
| shutdownLatch.countDown(); |
| } |
| } |
| }); |
| } |
| try { |
| shutdownLatch.await(2, TimeUnit.SECONDS); |
| executorService.shutdown(); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| Assert.assertEquals(5, resultFromThread0.size()); |
| Assert.assertEquals(5, resultFromThread1.size()); |
| |
| Iterator<Integer> iterator = resultFromThread0.iterator(); |
| int i = 0; |
| while (iterator.hasNext()) { |
| Assert.assertEquals(i, iterator.next().intValue()); |
| i += 2; |
| } |
| iterator = resultFromThread1.iterator(); |
| i = 1; |
| while (iterator.hasNext()) { |
| Assert.assertEquals(i, iterator.next().intValue()); |
| i += 2; |
| } |
| |
| } |
| } |