| /** |
| * 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.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| import org.testng.annotations.Test; |
| |
| import java.util.HashSet; |
| import java.util.Set; |
| import java.util.concurrent.BlockingQueue; |
| |
| import static org.testng.Assert.assertEquals; |
| import static org.testng.Assert.assertTrue; |
| |
| public class WorkItemManagerWithResultsTest { |
| private static final Logger LOG = LoggerFactory.getLogger(WorkItemManagerWithResultsTest.class); |
| |
| private static class IntegerConsumer extends WorkItemConsumer<Integer> { |
| private static ThreadLocal<Integer> payload = new ThreadLocal<Integer>(); |
| |
| public IntegerConsumer(BlockingQueue<Integer> queue) { |
| super(queue); |
| } |
| |
| @Override |
| protected void doCommit() { |
| if (getPayload() == -1) { |
| LOG.debug("Skipping:"); |
| return; |
| } |
| |
| incrementPayload(100); |
| addResult(getPayload()); |
| |
| setPayload(0); |
| } |
| |
| @Override |
| protected void processItem(Integer item) { |
| try { |
| setPayload(item.intValue()); |
| Thread.sleep(20 + RandomUtils.nextInt(5, 7)); |
| super.commit(); |
| } catch (InterruptedException e) { |
| e.printStackTrace(); |
| } |
| } |
| |
| public void setPayload(int v) { |
| payload.set(v); |
| } |
| |
| public int getPayload() { |
| return payload.get(); |
| } |
| |
| public void incrementPayload(int v) { |
| payload.set(payload.get() + v); |
| } |
| } |
| |
| 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 drainTest() throws InterruptedException { |
| final int maxItems = 50; |
| |
| IntegerConsumerBuilder cb = new IntegerConsumerBuilder(); |
| WorkItemManager<Integer, WorkItemConsumer> wi = getWorkItemManger(cb, 5); |
| |
| for (int i = 0; i < maxItems; i++) { |
| wi.produce(i); |
| } |
| |
| wi.drain(); |
| assertEquals(wi.getResults().size(), maxItems); |
| Set<Integer> set = new HashSet<Integer>(wi.getResults()); |
| assertEquals(set.size(), maxItems); |
| |
| wi.shutdown(); |
| } |
| |
| @Test |
| public void drainCheckProduceTest() throws InterruptedException { |
| IntegerConsumerBuilder cb = new IntegerConsumerBuilder(); |
| WorkItemManager<Integer, WorkItemConsumer> wi = getWorkItemManger(cb, 2); |
| |
| for (int i = 0; i < 5; i++) { |
| repeatedDrainAndProduce(i, wi); |
| } |
| |
| wi.shutdown(); |
| } |
| |
| private void repeatedDrainAndProduce(int runCount, WorkItemManager<Integer, WorkItemConsumer> wi) { |
| final int maxItems = 100; |
| int halfWay = maxItems / 2; |
| |
| LOG.info("Run: {}", runCount); |
| wi.getResults().clear(); |
| |
| for (int i = 0; i < maxItems; i++) { |
| if (i == halfWay) { |
| wi.drain(); |
| |
| Set<Integer> set = new HashSet<Integer>(wi.getResults()); |
| assertEquals(wi.getResults().size(), halfWay, "halfWay: total count"); |
| assertEquals(set.size(), halfWay, "halfWay: set match"); |
| } |
| |
| wi.checkProduce(i); |
| } |
| |
| wi.drain(); |
| assertEquals(wi.getResults().size(), maxItems, "total count"); |
| Set<Integer> set = new HashSet<Integer>(wi.getResults()); |
| assertEquals(set.size(), maxItems, "set count"); |
| |
| for (int i = 100; i < 100 + maxItems; i++) { |
| assertTrue(set.contains(i), "Could not test: " + i); |
| } |
| } |
| } |