| /* |
| * 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.ignite.internal.processors.cache; |
| |
| import java.util.concurrent.Semaphore; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| import java.util.concurrent.atomic.AtomicReference; |
| import javax.cache.Cache; |
| import javax.cache.integration.CacheLoaderException; |
| import javax.cache.integration.CacheWriterException; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteCache; |
| import org.apache.ignite.cache.CacheAtomicityMode; |
| import org.apache.ignite.cache.CacheMode; |
| import org.apache.ignite.cache.store.CacheStoreAdapter; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.internal.IgniteInternalFuture; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.lang.IgniteFuture; |
| import org.apache.ignite.testframework.GridTestUtils; |
| import org.apache.ignite.testframework.MvccFeatureChecker; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.Test; |
| |
| /** |
| * |
| */ |
| public class CacheGetRemoveSkipStoreTest extends GridCommonAbstractTest { |
| /** */ |
| public static final String TEST_CACHE = "testCache"; |
| |
| /** Number of nodes for the test. */ |
| public static final int GRID_CNT = 3; |
| |
| /** Read semaphore to delay read-through. */ |
| private static volatile Semaphore readSemaphore; |
| |
| /** |
| * Creates cache configuration with the given atomicity mode and number of backups. |
| * |
| * @param atomicity Atomicity mode. |
| * @param backups Number of backups. |
| * @return Cache configuration. |
| */ |
| private CacheConfiguration<Integer, Integer> configuration( |
| CacheAtomicityMode atomicity, |
| int backups |
| ) { |
| return new CacheConfiguration<Integer, Integer>() |
| .setCacheMode(CacheMode.PARTITIONED) |
| .setName(TEST_CACHE) |
| .setAtomicityMode(atomicity) |
| .setBackups(backups) |
| .setCacheStoreFactory(TestCacheStore::new) |
| .setReadThrough(true) |
| .setWriteThrough(false); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void beforeTest() throws Exception { |
| MvccFeatureChecker.skipIfNotSupported(MvccFeatureChecker.Feature.CACHE_STORE); |
| |
| super.beforeTest(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| super.afterTest(); |
| |
| readSemaphore = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTestsStopped() throws Exception { |
| stopAllGrids(); |
| |
| super.afterTestsStopped(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTestsStarted() throws Exception { |
| startGrids(GRID_CNT); |
| |
| startClientGrid("client"); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| @Test |
| public void testTransactionalNoBackups() throws Exception { |
| checkNoNullReads(grid("client"), configuration(CacheAtomicityMode.TRANSACTIONAL, 0)); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| @Test |
| public void testTransactionalOneBackup() throws Exception { |
| checkNoNullReads(grid("client"), configuration(CacheAtomicityMode.TRANSACTIONAL, 1)); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| @Test |
| public void testAtomicNoBackups() throws Exception { |
| checkNoNullReads(grid("client"), configuration(CacheAtomicityMode.ATOMIC, 0)); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| @Test |
| public void testAtomicOneBackup() throws Exception { |
| checkNoNullReads(grid("client"), configuration(CacheAtomicityMode.ATOMIC, 1)); |
| } |
| |
| /** |
| * @throws Exception if failed. |
| */ |
| private void checkNoNullReads(Ignite client, CacheConfiguration<Integer, Integer> ccfg) throws Exception { |
| client.getOrCreateCache(ccfg); |
| |
| try { |
| checkNoNullReads(client.cache(ccfg.getName()), 0); |
| checkNoNullReads(grid(0).cache(ccfg.getName()), primaryKey(grid(0).cache(ccfg.getName()))); |
| |
| if (ccfg.getBackups() > 0) |
| checkNoNullReads(grid(0).cache(ccfg.getName()), backupKey(grid(0).cache(ccfg.getName()))); |
| } |
| finally { |
| client.destroyCache(ccfg.getName()); |
| } |
| } |
| |
| /** |
| * @param cache Cache to check. |
| * @param key Key to check. |
| * @throws Exception If failed. |
| */ |
| private void checkNoNullReads(IgniteCache<Integer, Integer> cache, Integer key) throws Exception { |
| assertNotNull(cache.get(key)); |
| |
| AtomicReference<String> failure = new AtomicReference<>(); |
| AtomicBoolean stop = new AtomicBoolean(false); |
| |
| IgniteInternalFuture fut = GridTestUtils.runAsync(() -> { |
| while (!stop.get()) { |
| Object res = cache.get(key); |
| |
| if (res == null) |
| failure.compareAndSet(null, "Failed in thread: " + Thread.currentThread().getName()); |
| } |
| }); |
| |
| for (int i = 0; i < 100; i++) |
| cache.remove(key); |
| |
| U.sleep(100); |
| |
| stop.set(true); |
| fut.get(); |
| |
| assertNotNull(cache.get(key)); |
| |
| assertNull(failure.get()); |
| } |
| |
| /** |
| */ |
| @Test |
| public void testRemoveIsAppliedTransactionalNoBackups() { |
| checkRemoveIsApplied(grid("client"), configuration(CacheAtomicityMode.TRANSACTIONAL, 0)); |
| } |
| |
| /** |
| */ |
| @Test |
| public void testRemoveIsAppliedTransactionalOneBackups() { |
| checkRemoveIsApplied(grid("client"), configuration(CacheAtomicityMode.TRANSACTIONAL, 1)); |
| } |
| |
| /** |
| */ |
| @Test |
| public void testRemoveIsAppliedAtomicNoBackups() { |
| checkRemoveIsApplied(grid("client"), configuration(CacheAtomicityMode.ATOMIC, 0)); |
| } |
| |
| /** |
| */ |
| @Test |
| public void testRemoveIsAppliedAtomicOneBackups() { |
| checkRemoveIsApplied(grid("client"), configuration(CacheAtomicityMode.ATOMIC, 1)); |
| } |
| |
| /** |
| * @param client Client to test. |
| * @param ccfg Cache configuration |
| */ |
| public void checkRemoveIsApplied(Ignite client, CacheConfiguration<Integer, Integer> ccfg) { |
| // Allow first read. |
| readSemaphore = new Semaphore(1); |
| |
| IgniteCache<Integer, Integer> cache = client.getOrCreateCache(ccfg); |
| |
| try { |
| Integer key = 1; |
| |
| assertNotNull(cache.get(key)); |
| |
| Ignite primary = grid(client.affinity(ccfg.getName()).mapKeyToNode(key)); |
| |
| assertNotNull(primary.cache(ccfg.getName()).localPeek(key)); |
| |
| // Read-through will be blocked on semaphore. |
| IgniteFuture<Integer> getFut = cache.getAsync(key); |
| |
| cache.remove(key); |
| |
| assertNull(primary.cache(ccfg.getName()).localPeek(key)); // Check that remove actually takes place. |
| |
| readSemaphore.release(2); |
| |
| assertNotNull(getFut.get()); |
| assertNotNull(cache.get(key)); |
| assertNotNull(primary.cache(ccfg.getName()).localPeek(key)); |
| } |
| finally { |
| client.destroyCache(ccfg.getName()); |
| } |
| } |
| |
| /** |
| * Dummy cache store which delays key load and loads a predefined value. |
| */ |
| public static class TestCacheStore extends CacheStoreAdapter<Integer, Integer> { |
| /** */ |
| static final Integer CONSTANT_VALUE = -1; |
| |
| /** {@inheritDoc} */ |
| @Override public Integer load(Integer s) throws CacheLoaderException { |
| try { |
| if (readSemaphore != null) |
| readSemaphore.acquire(); |
| else |
| U.sleep(1000); |
| } |
| catch (Exception e) { |
| throw new CacheLoaderException(e); |
| } |
| |
| return CONSTANT_VALUE; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void write(Cache.Entry<? extends Integer, ? extends Integer> entry) throws CacheWriterException { |
| // No-op. |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void delete(Object o) throws CacheWriterException { |
| // No-op. |
| } |
| } |
| } |