| /* |
| * 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.geode.internal.cache; |
| |
| import static org.apache.geode.cache.RegionShortcut.REPLICATE; |
| import static org.apache.geode.cache.RegionShortcut.REPLICATE_PROXY; |
| import static org.apache.geode.test.dunit.VM.getVM; |
| import static org.assertj.core.api.Assertions.assertThat; |
| |
| import java.io.Serializable; |
| import java.util.concurrent.Future; |
| import java.util.concurrent.TimeUnit; |
| |
| import org.junit.After; |
| import org.junit.Rule; |
| import org.junit.Test; |
| |
| import org.apache.geode.cache.CacheLoader; |
| import org.apache.geode.cache.DataPolicy; |
| import org.apache.geode.cache.LoaderHelper; |
| import org.apache.geode.cache.Region; |
| import org.apache.geode.cache.Scope; |
| import org.apache.geode.test.dunit.DUnitBlackboard; |
| import org.apache.geode.test.dunit.VM; |
| import org.apache.geode.test.dunit.rules.CacheRule; |
| import org.apache.geode.test.dunit.rules.DistributedRule; |
| import org.apache.geode.test.junit.rules.ExecutorServiceRule; |
| |
| public class RegionConcurrentOperationDUnitTest implements Serializable { |
| |
| private static DUnitBlackboard blackboard; |
| |
| Object key = "KEY"; |
| String value = "VALUE"; |
| |
| private static DUnitBlackboard getBlackboard() { |
| if (blackboard == null) { |
| blackboard = new DUnitBlackboard(); |
| } |
| return blackboard; |
| } |
| |
| @Rule |
| public DistributedRule distributedRule = new DistributedRule(); |
| |
| @Rule |
| public CacheRule cacheRule = new CacheRule(); |
| |
| @Rule |
| public ExecutorServiceRule executorServiceRule = new ExecutorServiceRule(); |
| |
| @After |
| public void tearDown() { |
| blackboard.initBlackboard(); |
| } |
| |
| @Test |
| public void getOnProxyRegionFromMultipleThreadsReturnsDifferentObjects() throws Exception { |
| VM member1 = getVM(0); |
| String regionName = getClass().getSimpleName(); |
| |
| cacheRule.createCache(); |
| cacheRule.getCache().createRegionFactory(REPLICATE_PROXY).create(regionName); |
| |
| member1.invoke(() -> { |
| cacheRule.createCache(); |
| cacheRule.getCache().createRegionFactory(REPLICATE) |
| .setCacheLoader(new TestCacheLoader()).create(regionName); |
| }); |
| |
| Future get1 = executorServiceRule.submit(() -> { |
| Region region = cacheRule.getCache().getRegion(regionName); |
| return region.get(key); |
| }); |
| |
| Future get2 = executorServiceRule.submit(() -> { |
| Region region = cacheRule.getCache().getRegion(regionName); |
| getBlackboard().waitForGate("Loader", 60, TimeUnit.SECONDS); |
| return region.get(key); |
| }); |
| |
| Object get1value = get1.get(); |
| Object get2value = get2.get(); |
| |
| assertThat(get1value).isNotSameAs(get2value); |
| } |
| |
| @Test |
| public void getOnPreLoadedRegionFromMultipleThreadsReturnSameObject() throws Exception { |
| VM member1 = getVM(0); |
| String regionName = getClass().getSimpleName(); |
| |
| cacheRule.createCache(); |
| cacheRule.getCache().createRegionFactory().setDataPolicy(DataPolicy.PRELOADED) |
| .setScope(Scope.DISTRIBUTED_ACK).create(regionName); |
| |
| member1.invoke(() -> { |
| cacheRule.createCache(); |
| cacheRule.getCache().createRegionFactory(REPLICATE) |
| .setCacheLoader(new TestCacheLoader()).create(regionName); |
| }); |
| assertThat(cacheRule.getCache().getRegion(regionName).size()).isEqualTo(0); |
| |
| Future get1 = executorServiceRule.submit(() -> { |
| Region region = cacheRule.getCache().getRegion(regionName); |
| return region.get(key); |
| }); |
| |
| Future get2 = executorServiceRule.submit(() -> { |
| Region region = cacheRule.getCache().getRegion(regionName); |
| getBlackboard().waitForGate("Loader", 60, TimeUnit.SECONDS); |
| return region.get(key); |
| }); |
| |
| Object get1value = get1.get(); |
| Object get2value = get2.get(); |
| |
| assertThat(get1value).isSameAs(get2value); |
| assertThat(cacheRule.getCache().getRegion(regionName).size()).isEqualTo(1); |
| } |
| |
| private class TestCacheLoader implements CacheLoader, Serializable { |
| |
| @Override |
| public synchronized Object load(LoaderHelper helper) { |
| getBlackboard().signalGate("Loader"); |
| return value; |
| } |
| |
| @Override |
| public void close() {} |
| } |
| } |