/*
* 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.mapstore;
import com.hazelcast.config.Config;
import com.hazelcast.config.EvictionPolicy;
import com.hazelcast.config.GroupConfig;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.MapStoreConfig;
import com.hazelcast.config.MaxSizeConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import static com.hazelcast.config.MapStoreConfig.InitialLoadMode.EAGER;
import static com.hazelcast.test.TimeConstants.MINUTE;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class MapStoreEvictionTest extends HazelcastTestSupport {
private static final int MAP_STORE_ENTRY_COUNT = 1000;
private static final int NODE_COUNT = 2;
private static final int MAX_SIZE_PER_NODE = MAP_STORE_ENTRY_COUNT / 4;
private static final int MAX_SIZE_PER_CLUSTER = MAX_SIZE_PER_NODE * NODE_COUNT;
private CountingMapLoader loader;
private TestHazelcastInstanceFactory nodeFactory;
@Before
public void setUp() throws Exception {
loader = new CountingMapLoader(MAP_STORE_ENTRY_COUNT) {
@Override
public Integer load(Integer key) {
return key;
}
};
nodeFactory = createHazelcastInstanceFactory(NODE_COUNT);
}
@Test(timeout = 2 * MINUTE)
public void testLoadsAll_whenEvictionDisabled() throws Exception {
final String mapName = randomMapName();
Config cfg = newConfig(mapName, false, EAGER);
IMap<Object, Object> map = getMap(mapName, cfg);
assertSizeEventually(MAP_STORE_ENTRY_COUNT, map);
assertEquals(MAP_STORE_ENTRY_COUNT, loader.getLoadedValueCount());
assertLoaderIsClosedEventually();
}
private IMap<Object, Object> getMap(final String mapName, Config cfg) {
HazelcastInstance hz = nodeFactory.newInstances(cfg)[0];
assertClusterSizeEventually(NODE_COUNT, hz);
IMap<Object, Object> map = hz.getMap(mapName);
waitClusterForSafeState(hz);
return map;
}
@Test(timeout = 2 * MINUTE)
public void testLoadsLessThanMaxSize_whenEvictionEnabled() throws Exception {
final String mapName = randomMapName();
Config cfg = newConfig(mapName, true, EAGER);
IMap<Object, Object> map = getMap(mapName, cfg);
assertFalse(map.isEmpty());
assertTrue(MAX_SIZE_PER_CLUSTER >= map.size());
assertTrue(MAX_SIZE_PER_CLUSTER >= loader.getLoadedValueCount());
}
@Test(timeout = 2 * MINUTE)
public void testLoadsLessThanMaxSize_AfterContainsKey_whenEvictionEnabled() throws Exception {
final String mapName = randomMapName();
Config cfg = newConfig(mapName, true, EAGER);
IMap<Object, Object> map = getMap(mapName, cfg);
for (int i = 0; i < MAP_STORE_ENTRY_COUNT; i++) {
map.containsKey(i);
}
assertTrue(MAX_SIZE_PER_CLUSTER >= map.size());
}
@Test(timeout = 2 * MINUTE)
public void testLoadsLessThanMaxSize_AfterGet_whenEvictionEnabled() throws Exception {
final String mapName = randomMapName();
Config cfg = newConfig(mapName, true, EAGER);
IMap<Object, Object> map = getMap(mapName, cfg);
for (int i = 0; i < MAP_STORE_ENTRY_COUNT; i++) {
map.get(i);
}
assertTrue(MAX_SIZE_PER_CLUSTER >= map.size());
}
@Test(timeout = 2 * MINUTE)
public void testLoadsLessThanMaxSize_whenEvictionEnabledAndReloaded() throws Exception {
final String mapName = randomMapName();
Config cfg = newConfig(mapName, true, EAGER);
IMap<Object, Object> map = getMap(mapName, cfg);
map.evictAll();
loader.reset();
map.loadAll(true);
assertFalse("Map is not empty", map.isEmpty());
assertTrue(MAX_SIZE_PER_CLUSTER >= map.size());
assertTrue(MAX_SIZE_PER_CLUSTER >= loader.getLoadedValueCount());
assertLoaderIsClosedEventually();
}
private void assertLoaderIsClosedEventually() {
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertTrue(loader.isLoadAllKeysClosed());
}
});
}
private Config newConfig(String mapName, boolean sizeLimited, MapStoreConfig.InitialLoadMode loadMode) {
Config cfg = new Config();
cfg.setGroupConfig(new GroupConfig(getClass().getSimpleName()));
cfg.setProperty("hazelcast.partition.count", "5");
MapStoreConfig mapStoreConfig = new MapStoreConfig()
.setImplementation(loader)
.setInitialLoadMode(loadMode);
MapConfig mapConfig = cfg.getMapConfig(mapName).setMapStoreConfig(mapStoreConfig);
if (sizeLimited) {
MaxSizeConfig maxSizeConfig = new MaxSizeConfig(MAX_SIZE_PER_NODE, MaxSizeConfig.MaxSizePolicy.PER_NODE);
mapConfig.setMaxSizeConfig(maxSizeConfig);
mapConfig.setEvictionPolicy(EvictionPolicy.LRU);
mapConfig.setMinEvictionCheckMillis(0);
}
return cfg;
}
}