| /* |
| * 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.local; |
| |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.CountDownLatch; |
| import java.util.concurrent.locks.Lock; |
| import org.apache.ignite.Ignite; |
| import org.apache.ignite.IgniteCache; |
| import org.apache.ignite.IgniteCheckedException; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi; |
| import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder; |
| import org.apache.ignite.testframework.GridTestThread; |
| import org.apache.ignite.testframework.MvccFeatureChecker; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.jetbrains.annotations.Nullable; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| import static org.apache.ignite.cache.CacheMode.LOCAL; |
| |
| /** |
| * Test cases for multi-threaded tests. |
| */ |
| public class GridCacheLocalLockSelfTest extends GridCommonAbstractTest { |
| /** Grid. */ |
| private static Ignite ignite; |
| |
| /** |
| * |
| */ |
| public GridCacheLocalLockSelfTest() { |
| super(true /*start grid. */); |
| } |
| |
| /** */ |
| @Before |
| public void beforeGridCacheLocalLockSelfTest() { |
| MvccFeatureChecker.skipIfNotSupported(MvccFeatureChecker.Feature.LOCAL_CACHE); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void beforeTest() throws Exception { |
| ignite = grid(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| ignite = null; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected IgniteConfiguration getConfiguration() throws Exception { |
| MvccFeatureChecker.skipIfNotSupported(MvccFeatureChecker.Feature.LOCAL_CACHE); |
| |
| IgniteConfiguration cfg = super.getConfiguration(); |
| |
| TcpDiscoverySpi disco = new TcpDiscoverySpi(); |
| |
| disco.setIpFinder(new TcpDiscoveryVmIpFinder(true)); |
| |
| cfg.setDiscoverySpi(disco); |
| |
| CacheConfiguration cacheCfg = defaultCacheConfiguration(); |
| |
| cacheCfg.setCacheMode(LOCAL); |
| |
| cfg.setCacheConfiguration(cacheCfg); |
| |
| return cfg; |
| } |
| |
| /** |
| * @throws IgniteCheckedException If test failed. |
| */ |
| @Test |
| public void testLockReentry() throws IgniteCheckedException { |
| IgniteCache<Integer, String> cache = ignite.cache(DEFAULT_CACHE_NAME); |
| |
| assert !cache.isLocalLocked(1, false); |
| assert !cache.isLocalLocked(1, true); |
| |
| Lock lock = cache.lock(1); |
| |
| lock.lock(); |
| |
| assert cache.isLocalLocked(1, false); |
| assert cache.isLocalLocked(1, true); |
| |
| try { |
| assert cache.get(1) == null; |
| assert cache.getAndPut(1, "1") == null; |
| assert "1".equals(cache.get(1)); |
| |
| // Reentry. |
| lock.lock(); |
| |
| assert cache.isLocalLocked(1, false); |
| assert cache.isLocalLocked(1, true); |
| |
| try { |
| assert "1".equals(cache.getAndRemove(1)); |
| } |
| finally { |
| lock.unlock(); |
| } |
| |
| assert cache.isLocalLocked(1, false); |
| assert cache.isLocalLocked(1, true); |
| } |
| finally { |
| lock.unlock(); |
| } |
| |
| assert !cache.isLocalLocked(1, false); |
| assert !cache.isLocalLocked(1, true); |
| } |
| |
| /** |
| * @throws Exception If test failed. |
| */ |
| @Test |
| public void testLock() throws Throwable { |
| final IgniteCache<Integer, String> cache = ignite.cache(DEFAULT_CACHE_NAME); |
| |
| final CountDownLatch latch1 = new CountDownLatch(1); |
| final CountDownLatch latch2 = new CountDownLatch(1); |
| final CountDownLatch latch3 = new CountDownLatch(1); |
| |
| final Lock lock = cache.lock(1); |
| |
| GridTestThread t1 = new GridTestThread(new Callable<Object>() { |
| @Nullable @Override public Object call() throws Exception { |
| info("Before lock for.key 1"); |
| |
| lock.lock(); |
| |
| info("After lock for key 1"); |
| |
| try { |
| assert cache.isLocalLocked(1, false); |
| assert cache.isLocalLocked(1, true); |
| |
| latch1.countDown(); |
| |
| info("Let thread2 proceed."); |
| |
| cache.put(1, "1"); |
| |
| info("Put 1='1' key pair into cache."); |
| |
| latch2.await(); |
| |
| info("Waited for latch 2"); |
| } |
| finally { |
| lock.unlock(); |
| |
| info("Unlocked entry for key 1."); |
| |
| latch3.countDown(); |
| } |
| |
| return null; |
| } |
| }); |
| |
| GridTestThread t2 = new GridTestThread(new Callable<Object>() { |
| @Nullable @Override public Object call() throws Exception { |
| info("Waiting for latch1..."); |
| |
| latch1.await(); |
| |
| info("Latch1 released."); |
| |
| assert !lock.tryLock(); |
| |
| assert cache.isLocalLocked(1, false); |
| assert !cache.isLocalLocked(1, true); |
| |
| info("Tried to lock cache for key1"); |
| |
| latch2.countDown(); |
| |
| info("Released latch2"); |
| |
| latch3.await(); |
| |
| assert lock.tryLock(); |
| |
| assert cache.isLocalLocked(1, false); |
| assert cache.isLocalLocked(1, true); |
| |
| try { |
| info("Locked cache for key 1"); |
| |
| assert "1".equals(cache.get(1)); |
| |
| info("Read value for key 1"); |
| |
| assert "1".equals(cache.getAndRemove(1)); |
| |
| info("Removed value for key 1"); |
| |
| assert cache.isLocalLocked(1, false); |
| assert cache.isLocalLocked(1, true); |
| |
| info("Checked that cache is locked for key 1"); |
| } |
| finally { |
| lock.unlock(); |
| |
| info("Unlocked cache for key 1"); |
| } |
| |
| assert !cache.isLocalLocked(1, false); |
| assert !cache.isLocalLocked(1, true); |
| |
| return null; |
| } |
| }); |
| |
| t1.start(); |
| t2.start(); |
| |
| t1.join(); |
| t2.join(); |
| |
| t1.checkError(); |
| t2.checkError(); |
| |
| assert !cache.isLocalLocked(1, true); |
| assert !cache.isLocalLocked(1, false); |
| } |
| |
| /** |
| * @throws Exception If test failed. |
| */ |
| @Test |
| public void testLockAndPut() throws Throwable { |
| final IgniteCache<Integer, String> cache = ignite.cache(DEFAULT_CACHE_NAME); |
| |
| final CountDownLatch latch1 = new CountDownLatch(1); |
| |
| GridTestThread t1 = new GridTestThread(new Callable<Object>() { |
| @Nullable @Override public Object call() throws Exception { |
| Lock lock = cache.lock(1); |
| |
| lock.lock(); |
| |
| info("Locked cache key: 1"); |
| |
| try { |
| assert cache.isLocalLocked(1, true); |
| assert cache.isLocalLocked(1, false); |
| |
| info("Verified that cache key is locked: 1"); |
| |
| cache.put(1, "1"); |
| |
| info("Put key value pair into cache: 1='1'"); |
| |
| latch1.countDown(); |
| |
| info("Released latch1"); |
| |
| // Hold lock for a bit. |
| Thread.sleep(50); |
| |
| info("Woke up from sleep."); |
| } |
| finally { |
| lock.unlock(); |
| |
| info("Unlocked cache key: 1"); |
| } |
| |
| return null; |
| } |
| }); |
| |
| GridTestThread t2 = new GridTestThread(new Callable<Object>() { |
| @Nullable @Override public Object call() throws Exception { |
| info("Beginning to await on latch 1"); |
| |
| latch1.await(); |
| |
| info("Finished awaiting on latch 1"); |
| |
| assert "1".equals(cache.get(1)); |
| |
| info("Retrieved value from cache for key: 1"); |
| |
| cache.put(1, "2"); |
| |
| info("Put key-value pair into cache: 1='2'"); |
| |
| assert "2".equals(cache.getAndRemove(1)); |
| |
| info("Removed key from cache: 1"); |
| |
| return null; |
| } |
| }); |
| |
| t1.start(); |
| t2.start(); |
| |
| t1.join(); |
| t2.join(); |
| |
| t1.checkError(); |
| t2.checkError(); |
| |
| assert !cache.isLocalLocked(1, true); |
| assert !cache.isLocalLocked(1, false); |
| } |
| } |