/*
* 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;
import com.hazelcast.config.Config;
import com.hazelcast.config.EvictionPolicy;
import com.hazelcast.config.MapConfig;
import com.hazelcast.config.MaxSizeConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.internal.management.operation.UpdateMapConfigOperation;
import com.hazelcast.map.impl.MapContainer;
import com.hazelcast.map.impl.MapService;
import com.hazelcast.map.impl.MapServiceContext;
import com.hazelcast.map.impl.PartitionContainer;
import com.hazelcast.map.impl.proxy.MapProxyImpl;
import com.hazelcast.map.impl.recordstore.RecordStore;
import com.hazelcast.nio.Address;
import com.hazelcast.spi.InternalCompletableFuture;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.impl.operationservice.InternalOperationService;
import com.hazelcast.spi.properties.GroupProperty;
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.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.ExecutionException;
import static com.hazelcast.config.EvictionPolicy.NONE;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
/**
* Map configuration can be updated dynamically at runtime by using management center ui.
* This test verifies that the changes will be reflected to corresponding IMap at runtime.
*/
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class DynamicMapConfigTest extends HazelcastTestSupport {
@Test
public void testMapConfigUpdate_reflectedToRecordStore() throws ExecutionException, InterruptedException {
String mapName = randomMapName();
Config config = getConfig();
config.setProperty(GroupProperty.PARTITION_COUNT.getName(), "1");
HazelcastInstance node = createHazelcastInstance(config);
IMap<Integer, Integer> map = node.getMap(mapName);
map.put(1, 1);// trigger recordStore creation.
boolean beforeUpdate = isRecordStoreExpirable(map) && isEvictionEnabled(map);
updateMapConfig(mapName, node);
boolean afterUpdate = isRecordStoreExpirable(map) && isEvictionEnabled(map);
assertFalse("Before MapConfig update, RecordStore should not be expirable and evictable", beforeUpdate);
assertTrue("RecordStore should be expirable and evictable after MapConfig update", afterUpdate);
}
private void updateMapConfig(String mapName, HazelcastInstance node) throws InterruptedException, ExecutionException {
MapConfig mapConfig = createMapConfig();
Operation updateMapConfigOperation = new UpdateMapConfigOperation(mapName, mapConfig);
executeOperation(node, updateMapConfigOperation);
}
private boolean isRecordStoreExpirable(IMap map) {
MapProxyImpl mapProxy = (MapProxyImpl) map;
MapService mapService = (MapService) mapProxy.getService();
MapServiceContext mapServiceContext = (MapServiceContext) mapService.getMapServiceContext();
PartitionContainer container = mapServiceContext.getPartitionContainer(0);
RecordStore recordStore = container.getExistingRecordStore(map.getName());
return recordStore.isExpirable();
}
private boolean isEvictionEnabled(IMap map) {
MapProxyImpl mapProxy = (MapProxyImpl) map;
MapService mapService = (MapService) mapProxy.getService();
MapServiceContext mapServiceContext = (MapServiceContext) mapService.getMapServiceContext();
MapContainer mapContainer = mapServiceContext.getMapContainer(map.getName());
EvictionPolicy evictionPolicy = mapContainer.getMapConfig().getEvictionPolicy();
return evictionPolicy != NONE;
}
private MapConfig createMapConfig() {
MapConfig mapConfig = new MapConfig();
mapConfig.setTimeToLiveSeconds(100);
mapConfig.setMaxIdleSeconds(22);
mapConfig.setEvictionPolicy(EvictionPolicy.LRU);
mapConfig.setEvictionPercentage(35);
mapConfig.setMinEvictionCheckMillis(199);
mapConfig.setReadBackupData(false);
mapConfig.setBackupCount(3);
mapConfig.setAsyncBackupCount(2);
mapConfig.setMaxSizeConfig(new MaxSizeConfig(111, MaxSizeConfig.MaxSizePolicy.FREE_HEAP_SIZE));
return mapConfig;
}
private Object executeOperation(HazelcastInstance node, Operation op) throws InterruptedException, ExecutionException {
InternalOperationService operationService = getOperationService(node);
Address address = getAddress(node);
InternalCompletableFuture future = operationService.invokeOnTarget(MapService.SERVICE_NAME, op, address);
return future.get();
}
}