/*
* Copyright (c) 2008-2017, Hazelcast, Inc. All Rights Reserved.
*
* Licensed 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 com.hazelcast.client.cache.impl.nearcache.invalidation;
import com.hazelcast.cache.impl.CacheEventHandler;
import com.hazelcast.cache.impl.CacheService;
import com.hazelcast.client.cache.impl.HazelcastClientCachingProvider;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.impl.HazelcastClientProxy;
import com.hazelcast.client.spi.ClientContext;
import com.hazelcast.client.spi.ClientProxy;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.config.CacheConfig;
import com.hazelcast.config.NearCacheConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.internal.nearcache.impl.invalidation.MetaDataContainer;
import com.hazelcast.internal.nearcache.impl.invalidation.MetaDataFetcher;
import com.hazelcast.internal.nearcache.impl.invalidation.MetaDataGenerator;
import com.hazelcast.internal.nearcache.impl.invalidation.RepairingHandler;
import com.hazelcast.internal.nearcache.impl.invalidation.RepairingTask;
import com.hazelcast.spi.impl.NodeEngineImpl;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import com.hazelcast.util.UuidUtil;
import org.junit.After;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import javax.cache.Cache;
import javax.cache.spi.CachingProvider;
import java.util.UUID;
import java.util.concurrent.ConcurrentMap;
import static com.hazelcast.cache.impl.ICacheService.SERVICE_NAME;
import static com.hazelcast.config.EvictionConfig.MaxSizePolicy.ENTRY_COUNT;
import static com.hazelcast.util.RandomPicker.getInt;
import static java.lang.Integer.MAX_VALUE;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClientCacheMetaDataFetcherTest extends HazelcastTestSupport {
TestHazelcastFactory factory = new TestHazelcastFactory();
@After
public void tearDown() throws Exception {
factory.shutdownAll();
}
@Test
public void fetches_sequence_and_uuid() throws Exception {
String cacheName = "test";
int partition = 1;
long givenSequence = getInt(1, MAX_VALUE);
UUID givenUuid = UuidUtil.newUnsecureUUID();
RepairingTask repairingTask = getRepairingTask(cacheName, partition, givenSequence, givenUuid);
MetaDataFetcher metaDataFetcher = repairingTask.getMetaDataFetcher();
ConcurrentMap<String, RepairingHandler> handlers = repairingTask.getHandlers();
metaDataFetcher.fetchMetadata(handlers);
RepairingHandler repairingHandler = handlers.get(getPrefixedName(cacheName));
MetaDataContainer metaDataContainer = repairingHandler.getMetaDataContainer(partition);
UUID foundUuid = metaDataContainer.getUuid();
long foundSequence = metaDataContainer.getSequence();
assertEquals(givenSequence, foundSequence);
assertEquals(givenUuid, foundUuid);
}
private RepairingTask getRepairingTask(String cacheName, int partition, long givenSequence, UUID givenUuid) {
HazelcastInstance member = factory.newHazelcastInstance();
distortRandomPartitionSequence(getPrefixedName(cacheName), partition, givenSequence, member);
distortRandomPartitionUuid(partition, givenUuid, member);
ClientConfig clientConfig = new ClientConfig().addNearCacheConfig(new NearCacheConfig(cacheName));
HazelcastClientProxy client = (HazelcastClientProxy) factory.newHazelcastClient(clientConfig);
CachingProvider clientCachingProvider = HazelcastClientCachingProvider.createCachingProvider(client);
Cache<Integer, Integer> clientCache = clientCachingProvider.getCacheManager().createCache(cacheName, newCacheConfig());
ClientContext clientContext = ((ClientProxy) clientCache).getContext();
return clientContext.getRepairingTask(SERVICE_NAME);
}
private void distortRandomPartitionSequence(String cacheName, int partition, long sequence, HazelcastInstance member) {
NodeEngineImpl nodeEngineImpl = getNodeEngineImpl(member);
CacheService service = nodeEngineImpl.getService(SERVICE_NAME);
CacheEventHandler cacheEventHandler = service.getCacheEventHandler();
MetaDataGenerator metaDataGenerator = cacheEventHandler.getMetaDataGenerator();
metaDataGenerator.setCurrentSequence(cacheName, partition, sequence);
}
private void distortRandomPartitionUuid(int partition, UUID uuid, HazelcastInstance member) {
NodeEngineImpl nodeEngineImpl = getNodeEngineImpl(member);
CacheService service = nodeEngineImpl.getService(SERVICE_NAME);
CacheEventHandler cacheEventHandler = service.getCacheEventHandler();
MetaDataGenerator metaDataGenerator = cacheEventHandler.getMetaDataGenerator();
metaDataGenerator.setUuid(partition, uuid);
}
private CacheConfig newCacheConfig() {
CacheConfig cacheConfig = new CacheConfig();
cacheConfig.getEvictionConfig()
.setMaximumSizePolicy(ENTRY_COUNT)
.setSize(MAX_VALUE);
return cacheConfig;
}
private String getPrefixedName(String cacheName) {
return "/hz/" + cacheName;
}
}