/*
* 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.GroupConfig;
import com.hazelcast.config.MapStoreConfig;
import com.hazelcast.config.MapStoreConfig.InitialLoadMode;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.core.MapLoader;
import com.hazelcast.spi.properties.GroupProperty;
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.config.MapStoreConfig.InitialLoadMode.LAZY;
import static com.hazelcast.test.TimeConstants.MINUTE;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class MapLoaderMultiNodeTest extends HazelcastTestSupport {
private static final int MAP_STORE_ENTRY_COUNT = 10000;
private static final int BATCH_SIZE = 100;
private static final int NODE_COUNT = 3;
private final String mapName = getClass().getSimpleName();
private TestHazelcastInstanceFactory nodeFactory;
private CountingMapLoader mapLoader;
@Before
public void setUp() throws Exception {
nodeFactory = createHazelcastInstanceFactory(NODE_COUNT + 2);
mapLoader = new CountingMapLoader(MAP_STORE_ENTRY_COUNT);
}
@Test(timeout = MINUTE)
public void testLoads_whenMapLazyAndCheckingSize() throws Exception {
Config cfg = newConfig(mapName, LAZY);
IMap<Object, Object> map = getMap(mapName, cfg);
assertSizeAndLoadCount(map);
}
@Test(timeout = MINUTE)
public void testLoadsAll_whenMapCreatedInEager() throws Exception {
Config cfg = newConfig(mapName, EAGER);
IMap<Object, Object> map = getMap(mapName, cfg);
assertSizeAndLoadCount(map);
}
@Test(timeout = MINUTE)
public void testLoadsNothing_whenMapCreatedLazy() throws Exception {
Config cfg = newConfig(mapName, InitialLoadMode.LAZY);
getMap(mapName, cfg);
assertEquals(0, mapLoader.getLoadedValueCount());
}
@Test(timeout = MINUTE)
public void testLoadsMap_whenLazyAndValueRetrieved() throws Exception {
Config cfg = newConfig(mapName, InitialLoadMode.LAZY);
IMap<Object, Object> map = getMap(mapName, cfg);
assertEquals(1, map.get(1));
assertSizeAndLoadCount(map);
}
@Test(timeout = MINUTE)
public void testLoadsAll_whenLazyModeAndLoadAll() throws Exception {
Config cfg = newConfig(mapName, LAZY);
IMap<Object, Object> map = getMap(mapName, cfg);
map.loadAll(true);
assertEquals(1, mapLoader.getLoadAllKeysInvocations());
assertSizeAndLoadCount(map);
}
@Test(timeout = MINUTE)
public void testDoesNotLoadAgain_whenLoadedAndNodeAdded() throws Exception {
Config cfg = newConfig(mapName, EAGER);
IMap<Object, Object> map = getMap(mapName, cfg);
nodeFactory.newHazelcastInstance(cfg);
assertEquals(1, mapLoader.getLoadAllKeysInvocations());
assertSizeAndLoadCount(map);
}
@Test(timeout = MINUTE)
public void testDoesNotLoadAgain_whenLoadedLazyAndNodeAdded() throws Exception {
Config cfg = newConfig(mapName, LAZY);
IMap<Object, Object> map = getMap(mapName, cfg);
map.loadAll(true);
nodeFactory.newHazelcastInstance(cfg);
assertEquals(1, mapLoader.getLoadAllKeysInvocations());
assertSizeAndLoadCount(map);
}
@Test(timeout = MINUTE)
public void testLoadAgain_whenLoadedAllCalledMultipleTimes() throws Exception {
Config cfg = newConfig(mapName, LAZY);
IMap<Object, Object> map = getMap(mapName, cfg);
map.loadAll(true);
map.loadAll(true);
assertEquals(2, mapLoader.getLoadAllKeysInvocations());
assertSizeEventually(MAP_STORE_ENTRY_COUNT, map);
assertEquals(2 * MAP_STORE_ENTRY_COUNT, mapLoader.getLoadedValueCount());
}
@Test(timeout = MINUTE)
public void testLoadsOnce_whenSizeCheckedTwice() throws Exception {
mapLoader = new CountingMapLoader(MAP_STORE_ENTRY_COUNT, true);
Config cfg = newConfig(mapName, LAZY);
IMap<Object, Object> map = getMap(mapName, cfg);
map.size();
map.size();
assertEquals(1, mapLoader.getLoadAllKeysInvocations());
assertSizeAndLoadCount(map);
}
protected void assertSizeAndLoadCount(IMap<Object, Object> map) {
assertSizeEventually(MAP_STORE_ENTRY_COUNT, map);
assertEquals(MAP_STORE_ENTRY_COUNT, mapLoader.getLoadedValueCount());
}
protected IMap<Object, Object> getMap(final String mapName, Config cfg) {
HazelcastInstance hz = nodeFactory.newInstances(cfg, NODE_COUNT)[0];
assertClusterSizeEventually(NODE_COUNT, hz);
IMap<Object, Object> map = hz.getMap(mapName);
waitClusterForSafeState(hz);
return map;
}
protected Config newConfig(String mapName, MapStoreConfig.InitialLoadMode loadMode) {
return newConfig(mapName, loadMode, 1, mapLoader);
}
protected Config newConfig(String mapName, MapStoreConfig.InitialLoadMode loadMode, int backups, MapLoader loader) {
Config cfg = getConfig();
cfg.setGroupConfig(new GroupConfig(getClass().getSimpleName()));
cfg.setProperty(GroupProperty.MAP_LOAD_CHUNK_SIZE.getName(), Integer.toString(BATCH_SIZE));
cfg.setProperty(GroupProperty.PARTITION_COUNT.getName(), "31");
MapStoreConfig mapStoreConfig = new MapStoreConfig()
.setImplementation(loader).setInitialLoadMode(loadMode);
cfg.getMapConfig(mapName).setMapStoreConfig(mapStoreConfig).setBackupCount(backups);
return cfg;
}
}