/*
* 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.map.impl.querycache;
import com.hazelcast.config.Config;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.QueryCacheConfig;
import com.hazelcast.core.EntryAdapter;
import com.hazelcast.core.EntryEvent;
import com.hazelcast.core.IFunction;
import com.hazelcast.core.IMap;
import com.hazelcast.map.QueryCache;
import com.hazelcast.map.listener.EntryAddedListener;
import com.hazelcast.mapreduce.helpers.Employee;
import com.hazelcast.query.Predicate;
import com.hazelcast.query.SqlPredicate;
import com.hazelcast.query.TruePredicate;
import com.hazelcast.spi.properties.GroupProperty;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.atomic.AtomicInteger;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class QueryCacheTest extends AbstractQueryCacheTestSupport {
@SuppressWarnings("unchecked")
private static final Predicate<Integer, Employee> TRUE_PREDICATE = TruePredicate.INSTANCE;
@SuppressWarnings("unchecked")
private static final Predicate<Integer, Integer> SQL_PREDICATE = new SqlPredicate("this > 20");
@Test
@SuppressWarnings("ConstantConditions")
public void testQueryCache_whenIncludeValue_enabled() {
boolean includeValue = true;
testQueryCache(includeValue);
}
@Test
@SuppressWarnings("ConstantConditions")
public void testQueryCache_whenIncludeValue_disabled() {
boolean includeValue = false;
testQueryCache(includeValue);
}
@Test
@SuppressWarnings({"ConstantConditions", "UnnecessaryLocalVariable"})
public void testQueryCache_whenInitialPopulation_enabled() {
boolean enableInitialPopulation = true;
int numberOfElementsToBePutToIMap = 1000;
int expectedSizeOfQueryCache = numberOfElementsToBePutToIMap;
testWithInitialPopulation(enableInitialPopulation, expectedSizeOfQueryCache, numberOfElementsToBePutToIMap);
}
@Test
@SuppressWarnings("ConstantConditions")
public void testQueryCache_whenInitialPopulation_disabled() throws Exception {
boolean enableInitialPopulation = false;
int numberOfElementsToBePutToIMap = 1000;
int expectedSizeOfQueryCache = 0;
testWithInitialPopulation(enableInitialPopulation, expectedSizeOfQueryCache, numberOfElementsToBePutToIMap);
}
@Test
public void testQueryCache_withLocalListener() {
IMap<Integer, Integer> map = getMap(instances[0], mapName);
String cacheName = randomString();
config = new Config().setProperty(GroupProperty.PARTITION_COUNT.getName(), "1");
for (int i = 0; i < 30; i++) {
map.put(i, i);
}
final AtomicInteger countAddEvent = new AtomicInteger();
final AtomicInteger countRemoveEvent = new AtomicInteger();
final QueryCache<Integer, Integer> queryCache = map.getQueryCache(cacheName, new EntryAdapter() {
@Override
public void entryAdded(EntryEvent event) {
countAddEvent.incrementAndGet();
}
@Override
public void entryRemoved(EntryEvent event) {
countRemoveEvent.incrementAndGet();
}
}, SQL_PREDICATE, true);
for (int i = 0; i < 30; i++) {
map.remove(i);
}
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(0, queryCache.size());
}
});
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals("Count of add events wrong!", 9, countAddEvent.get());
}
});
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals("Count of remove events wrong!", 9, countRemoveEvent.get());
}
});
}
@Test
public void testQueryCacheCleared_afterCalling_IMap_evictAll() {
String cacheName = randomString();
QueryCache<Integer, Employee> queryCache = map.getQueryCache(cacheName, TRUE_PREDICATE, false);
populateMap(map, 1000);
IFunction evictAll = new IFunction() {
@Override
public Object apply(Object ignored) {
map.evictAll();
return null;
}
};
assertQueryCacheSizeEventually(0, evictAll, queryCache);
}
@Test
public void testQueryCacheCleared_afterCalling_IMap_clear() {
String cacheName = randomString();
final QueryCache<Integer, Employee> queryCache = map.getQueryCache(cacheName, TRUE_PREDICATE, false);
populateMap(map, 1000);
IFunction clear = new IFunction() {
@Override
public Object apply(Object ignored) {
map.clear();
return null;
}
};
assertQueryCacheSizeEventually(0, clear, queryCache);
}
@Test
public void testGetName() {
String cacheName = "cache-name";
QueryCache<Integer, Employee> queryCache = map.getQueryCache(cacheName, TRUE_PREDICATE, false);
assertEquals(cacheName, queryCache.getName());
}
@Test
public void testDestroy_emptiesQueryCache() {
int entryCount = 1000;
final CountDownLatch numberOfAddEvents = new CountDownLatch(entryCount);
String cacheName = randomString();
QueryCache<Integer, Employee> queryCache
= map.getQueryCache(cacheName, new EntryAddedListener<Integer, Employee>() {
@Override
public void entryAdded(EntryEvent<Integer, Employee> event) {
numberOfAddEvents.countDown();
}
}, TRUE_PREDICATE, false);
populateMap(map, entryCount);
assertOpenEventually(numberOfAddEvents);
queryCache.destroy();
assertEquals(0, queryCache.size());
}
@SuppressWarnings("unchecked")
private void testQueryCache(boolean includeValue) {
IMap<Integer, Integer> map = getMap(instances[0], mapName);
String cacheName = randomString();
for (int i = 0; i < 50; i++) {
map.put(i, i);
}
Predicate<Integer, Integer> predicate = new SqlPredicate("this > 5 AND this < 100");
QueryCache<Integer, Integer> cache = map.getQueryCache(cacheName, predicate, includeValue);
for (int i = 50; i < 100; i++) {
map.put(i, i);
}
int expected = 94;
assertQueryCacheSizeEventually(expected, cache);
}
private void testWithInitialPopulation(boolean enableInitialPopulation, int expectedSize, int numberOfElementsToPut) {
String cacheName = randomString();
initConfig(mapName, cacheName, enableInitialPopulation);
populateMap(map, numberOfElementsToPut);
QueryCache<Integer, Employee> queryCache = map.getQueryCache(cacheName, TRUE_PREDICATE, true);
assertEquals(expectedSize, queryCache.size());
}
private void initConfig(String mapName, String cacheName, boolean enableInitialPopulation) {
QueryCacheConfig queryCacheConfig = new QueryCacheConfig(cacheName);
queryCacheConfig
.setPopulate(enableInitialPopulation)
.getPredicateConfig().setImplementation(TRUE_PREDICATE);
MapConfig mapConfig = new MapConfig(mapName)
.addQueryCacheConfig(queryCacheConfig);
config.addMapConfig(mapConfig);
}
@SuppressWarnings("SameParameterValue")
private static void assertQueryCacheSizeEventually(final int expected, final IFunction<?, ?> function,
final QueryCache queryCache) {
AssertTask task = new AssertTask() {
@Override
public void run() throws Exception {
function.apply(null);
assertEquals(expected, queryCache.size());
}
};
assertTrueEventually(task);
}
private static void assertQueryCacheSizeEventually(final int expected, final QueryCache cache) {
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertEquals(expected, cache.size());
}
});
}
}