/* * 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.Collections; import java.util.concurrent.atomic.AtomicInteger; import org.apache.ignite.Ignite; import org.apache.ignite.IgniteCache; import org.apache.ignite.configuration.CacheConfiguration; import org.apache.ignite.testframework.GridTestUtils; import org.junit.Test; import static org.apache.ignite.cache.CacheAtomicityMode.ATOMIC; import static org.apache.ignite.cache.CacheMode.REPLICATED; import static org.apache.ignite.cache.CacheWriteSynchronizationMode.FULL_SYNC; /** * Verifies that containsKey() works as expected on atomic cache. */ public class IgniteCacheContainsKeyAtomicTest extends GridCacheAbstractSelfTest { /** Cache name. */ public static final String CACHE_NAME = "replicated"; /** {@inheritDoc} */ @Override protected int gridCount() { return 4; } /** {@inheritDoc} */ @Override protected void afterTest() throws Exception { super.afterTest(); IgniteCache cache = ignite(0).cache(CACHE_NAME); if (cache != null) cache.clear(); } /** * @throws Exception If failed. */ @Test public void testContainsPutIfAbsent() throws Exception { checkPutIfAbsent(false); } /** * @throws Exception If failed. */ @Test public void testContainsPutIfAbsentAll() throws Exception { checkPutIfAbsent(true); } /** * @param all Check for set of keys. * @throws Exception If failed. */ private void checkPutIfAbsent(final boolean all) throws Exception { Ignite srv = ignite(0); final IgniteCache<Integer, Integer> cache1 = srv.getOrCreateCache(replicatedCache()); final IgniteCache<Integer, Integer> cache2 = ignite(1).getOrCreateCache(replicatedCache()); final AtomicInteger fails = new AtomicInteger(0); GridTestUtils.runMultiThreaded(new Runnable() { @Override public void run() { for (int i = 0; i < 100; i++) { if (!cache1.putIfAbsent(i, i)) { if (all ? !cache2.containsKeys(Collections.singleton(i)) : !cache2.containsKey(i)) fails.incrementAndGet(); } } } }, 100, "put-if-abs"); assertEquals(0, fails.get()); } /** * @return replicated cache configuration. */ private CacheConfiguration<Integer, Integer> replicatedCache() { return new CacheConfiguration<Integer, Integer>(CACHE_NAME) .setAtomicityMode(ATOMIC) .setWriteSynchronizationMode(FULL_SYNC) .setReadFromBackup(false) // containsKey() must respect this flag .setCacheMode(REPLICATED); } }