| /* |
| * 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.Callable; |
| import java.util.concurrent.CyclicBarrier; |
| import java.util.concurrent.atomic.AtomicInteger; |
| import org.apache.ignite.IgniteCache; |
| import org.apache.ignite.cache.CacheMode; |
| import org.apache.ignite.cache.store.CacheStore; |
| import org.apache.ignite.cache.store.CacheStoreAdapter; |
| import org.apache.ignite.configuration.CacheConfiguration; |
| import org.apache.ignite.configuration.IgniteConfiguration; |
| import org.apache.ignite.internal.IgniteInterruptedCheckedException; |
| import org.apache.ignite.internal.util.typedef.internal.U; |
| import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi; |
| import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder; |
| import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest; |
| import org.junit.Test; |
| |
| import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC; |
| |
| /** |
| * Basic store test. |
| */ |
| public abstract class GridCacheBasicStoreMultithreadedAbstractTest extends GridCommonAbstractTest { |
| /** */ |
| private static final long DELAY = 100; |
| |
| /** Cache store. */ |
| private CacheStore<Integer, Integer> store; |
| |
| /** |
| * |
| */ |
| protected GridCacheBasicStoreMultithreadedAbstractTest() { |
| super(false /*start grid. */); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override protected void afterTest() throws Exception { |
| IgniteCache<?, ?> cache = jcache(); |
| |
| if (cache != null) |
| cache.clear(); |
| |
| stopAllGrids(); |
| } |
| |
| /** |
| * @return Caching mode. |
| */ |
| protected abstract CacheMode cacheMode(); |
| |
| /** {@inheritDoc} */ |
| @SuppressWarnings("unchecked") |
| @Override protected final IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception { |
| IgniteConfiguration c = super.getConfiguration(igniteInstanceName); |
| |
| TcpDiscoverySpi disco = new TcpDiscoverySpi(); |
| |
| disco.setIpFinder(new TcpDiscoveryVmIpFinder(true)); |
| |
| c.setDiscoverySpi(disco); |
| |
| CacheConfiguration cc = defaultCacheConfiguration(); |
| |
| cc.setCacheMode(cacheMode()); |
| cc.setWriteSynchronizationMode(FULL_SYNC); |
| |
| cc.setCacheStoreFactory(singletonFactory(store)); |
| cc.setReadThrough(true); |
| cc.setWriteThrough(true); |
| cc.setLoadPreviousValue(true); |
| |
| c.setCacheConfiguration(cc); |
| |
| return c; |
| } |
| |
| /** |
| * @throws Exception If failed. |
| */ |
| @Test |
| public void testConcurrentGet() throws Exception { |
| final AtomicInteger cntr = new AtomicInteger(); |
| |
| store = new CacheStoreAdapter<Integer, Integer>() { |
| @Override public Integer load(Integer key) { |
| int res = cntr.incrementAndGet(); |
| |
| try { |
| U.sleep(DELAY); |
| } |
| catch (IgniteInterruptedCheckedException e) { |
| e.printStackTrace(); |
| |
| Thread.currentThread().interrupt(); |
| } |
| |
| cntr.decrementAndGet(); |
| |
| return res; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void write(javax.cache.Cache.Entry<? extends Integer, ? extends Integer> e) { |
| assert false; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override public void delete(Object key) { |
| assert false; |
| } |
| }; |
| |
| startGrid(); |
| |
| final IgniteCache<Integer, Integer> cache = jcache(); |
| |
| int threads = 2; |
| |
| final CyclicBarrier barrier = new CyclicBarrier(threads); |
| |
| multithreaded(new Callable<Object>() { |
| @Override public Object call() throws Exception { |
| barrier.await(); |
| |
| assertEquals(1, (int)cache.get(1)); |
| |
| return null; |
| } |
| }, threads, "concurrent-get-worker"); |
| |
| assertEquals(0, cntr.get()); |
| } |
| } |