| /** |
| * 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.atlas.pc; |
| |
| import org.apache.commons.lang3.RandomUtils; |
| import org.testng.annotations.Test; |
| |
| import java.util.concurrent.BlockingQueue; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertNotNull; |
| import static org.testng.Assert.assertNull; |
| |
| public class StatusReporterTest { |
| private static class IntegerConsumer extends WorkItemConsumer<Integer> { |
| private static ThreadLocal<Integer> payload = new ThreadLocal<Integer>(); |
| private Integer current; |
| |
| public IntegerConsumer(BlockingQueue<Integer> queue) { |
| super(queue); |
| } |
| |
| @Override |
| protected void doCommit() { |
| addResult(current); |
| } |
| |
| @Override |
| protected void processItem(Integer item) { |
| try { |
| this.current = item; |
| Thread.sleep(20 + RandomUtils.nextInt(5, 7)); |
| super.commit(); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| } |
| } |
| |
| private class IntegerConsumerBuilder implements WorkItemBuilder<IntegerConsumer, Integer> { |
| @Override |
| public IntegerConsumer build(BlockingQueue<Integer> queue) { |
| return new IntegerConsumer(queue); |
| } |
| } |
| |
| private WorkItemManager<Integer, WorkItemConsumer> getWorkItemManger(IntegerConsumerBuilder cb, int numWorkers) { |
| return new WorkItemManager<>(cb, "IntegerConsumer", 5, numWorkers, true); |
| } |
| |
| @Test |
| public void statusReporting() throws InterruptedException { |
| final int maxItems = 50; |
| |
| IntegerConsumerBuilder cb = new IntegerConsumerBuilder(); |
| WorkItemManager<Integer, WorkItemConsumer> wi = getWorkItemManger(cb, 5); |
| StatusReporter<Integer, Integer> statusReporter = new StatusReporter<>(); |
| |
| for (int i = 0; i < maxItems; i++) { |
| wi.produce(i); |
| statusReporter.produced(i, i); |
| |
| extractResults(wi, statusReporter); |
| } |
| |
| wi.drain(); |
| extractResults(wi, statusReporter); |
| assertEquals(statusReporter.ack().intValue(), (maxItems - 1)); |
| wi.shutdown(); |
| |
| assertEquals(statusReporter.getProducedCount(), 0); |
| assertEquals(statusReporter.getProcessedCount(), 0); |
| } |
| |
| private void extractResults(WorkItemManager<Integer, WorkItemConsumer> wi, StatusReporter<Integer, Integer> statusReporter) { |
| Object result = null; |
| while((result = wi.getResults().poll()) != null) { |
| if (result == null || !(result instanceof Integer)) { |
| continue; |
| } |
| statusReporter.processed((Integer) result); |
| } |
| } |
| |
| @Test |
| public void reportWithTimeout() throws InterruptedException { |
| StatusReporter<Integer, Integer> statusReporter = new StatusReporter<>(2000); |
| statusReporter.produced(1, 100); |
| statusReporter.produced(2, 200); |
| |
| statusReporter.processed(2); |
| Integer ack = statusReporter.ack(); |
| assertNull(ack); |
| |
| Thread.sleep(3000); |
| ack = statusReporter.ack(); |
| assertNotNull(ack); |
| assertEquals(ack, Integer.valueOf(200)); |
| } |
| } |