/*
* 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.map.querycache;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.map.querycache.subscriber.TestClientSubscriberContext;
import com.hazelcast.client.proxy.ClientMapProxy;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.config.Config;
import com.hazelcast.config.QueryCacheConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.map.EventLostEvent;
import com.hazelcast.map.QueryCache;
import com.hazelcast.map.impl.querycache.QueryCacheContext;
import com.hazelcast.map.listener.EventLostListener;
import com.hazelcast.query.SqlPredicate;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.After;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static com.hazelcast.spi.properties.GroupProperty.PARTITION_COUNT;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class ClientQueryCacheRecoveryUponEventLossTest extends HazelcastTestSupport {
private TestHazelcastFactory factory = new TestHazelcastFactory();
@After
public void tearDown() {
factory.shutdownAll();
}
@Test
public void testForceConsistency() {
String mapName = randomMapName("map");
String queryCacheName = randomMapName("cache");
Config config = new Config();
config.setProperty(PARTITION_COUNT.getName(), "1");
factory.newHazelcastInstance(config);
QueryCacheConfig queryCacheConfig = new QueryCacheConfig(queryCacheName);
queryCacheConfig.setBatchSize(1111);
queryCacheConfig.setDelaySeconds(3);
ClientConfig clientConfig = new ClientConfig();
clientConfig.addQueryCacheConfig(mapName, queryCacheConfig);
HazelcastInstance client = factory.newHazelcastClient(clientConfig);
IMap<Integer, Integer> map = client.getMap(mapName);
// set test sequencer to subscriber
int count = 30;
setTestSequencer(map, 9);
final QueryCache queryCache = map.getQueryCache(queryCacheName, new SqlPredicate("this > 20"), true);
queryCache.addEntryListener(new EventLostListener() {
@Override
public void eventLost(EventLostEvent event) {
queryCache.tryRecover();
}
}, false);
for (int i = 0; i < count; i++) {
map.put(i, i);
}
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(9, queryCache.size());
}
});
}
private void setTestSequencer(IMap map, int eventCount) {
ClientMapProxy proxy = (ClientMapProxy) map;
QueryCacheContext queryCacheContext = proxy.getQueryCacheContext();
queryCacheContext.setSubscriberContext(new TestClientSubscriberContext(queryCacheContext, eventCount, true));
}
}