/*
* 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.MapConfig;
import com.hazelcast.config.MapStoreConfig;
import com.hazelcast.core.EntryEvent;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.core.MapStore;
import com.hazelcast.core.PostProcessingMapStore;
import com.hazelcast.map.EntryBackupProcessor;
import com.hazelcast.map.EntryProcessor;
import com.hazelcast.map.listener.EntryAddedListener;
import com.hazelcast.map.listener.EntryUpdatedListener;
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.After;
import org.junit.Before;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.io.Serializable;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.CountDownLatch;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class PostProcessingMapStoreTest extends HazelcastTestSupport {
private TestHazelcastInstanceFactory factory;
@Before
public void init() {
factory = createHazelcastInstanceFactory(2);
}
@After
public void cleanup() {
factory.terminateAll();
}
@Test
public void testProcessedValueCarriedToTheBackup() {
String name = randomString();
Config config = new Config();
MapConfig mapConfig = config.getMapConfig(name);
mapConfig.setReadBackupData(true);
MapStoreConfig mapStoreConfig = new MapStoreConfig();
mapStoreConfig.setEnabled(true).setClassName(IncrementerPostProcessingMapStore.class.getName());
mapConfig.setMapStoreConfig(mapStoreConfig);
HazelcastInstance instance1 = factory.newHazelcastInstance(config);
HazelcastInstance instance2 = factory.newHazelcastInstance(config);
IMap<Integer, SampleObject> map1 = instance1.getMap(name);
IMap<Integer, SampleObject> map2 = instance2.getMap(name);
for (int i = 0; i < 100; i++) {
map1.put(i, new SampleObject(i));
}
for (int i = 0; i < 100; i++) {
SampleObject o = map1.get(i);
assertEquals(i + 1, o.version);
}
for (int i = 0; i < 100; i++) {
SampleObject o = map2.get(i);
assertEquals(i + 1, o.version);
}
}
@Test
public void testEntryListenerIncludesTheProcessedValue_onPut() {
IMap<Integer, SampleObject> map = createInstanceAndGetMap();
int count = 10;
final CountDownLatch latch = new CountDownLatch(count);
map.addEntryListener(new EntryAddedListener<Integer, SampleObject>() {
@Override
public void entryAdded(EntryEvent<Integer, SampleObject> event) {
assertEquals(event.getKey() + 1, event.getValue().version);
latch.countDown();
}
}, true);
for (int i = 0; i < count; i++) {
map.put(i, new SampleObject(i));
}
assertOpenEventually(latch);
}
@Test
public void testEntryListenerIncludesTheProcessedValue_onPutAll() {
IMap<Integer, SampleObject> map = createInstanceAndGetMap();
int count = 10;
final CountDownLatch latch = new CountDownLatch(count);
map.addEntryListener(new EntryAddedListener<Integer, SampleObject>() {
@Override
public void entryAdded(EntryEvent<Integer, SampleObject> event) {
assertEquals(event.getKey() + 1, event.getValue().version);
latch.countDown();
}
}, true);
Map<Integer, SampleObject> localMap = new HashMap<Integer, SampleObject>();
for (int i = 0; i < count; i++) {
localMap.put(i, new SampleObject(i));
}
map.putAll(localMap);
assertOpenEventually(latch);
}
@Test
public void testEntryListenerIncludesTheProcessedValue_onEntryProcessor() {
IMap<Integer, SampleObject> map = createInstanceAndGetMap();
int count = 10;
final CountDownLatch latch = new CountDownLatch(count);
map.addEntryListener(new EntryUpdatedListener<Integer, SampleObject>() {
@Override
public void entryUpdated(EntryEvent<Integer, SampleObject> event) {
// value is incremented three times :
// +1 -> post processing map store
// +1 -> entry processor
// +1 -> post processing map store
assertEquals(event.getKey() + 3, event.getValue().version);
latch.countDown();
}
}, true);
for (int i = 0; i < count; i++) {
map.put(i, new SampleObject(i));
map.executeOnKey(i, new EntryProcessor<Integer, SampleObject>() {
@Override
public Object process(Map.Entry<Integer, SampleObject> entry) {
SampleObject value = entry.getValue();
value.version++;
entry.setValue(value);
return null;
}
@Override
public EntryBackupProcessor<Integer, SampleObject> getBackupProcessor() {
return null;
}
});
}
assertOpenEventually(latch);
}
private IMap<Integer, SampleObject> createInstanceAndGetMap() {
String name = randomString();
Config config = new Config();
MapConfig mapConfig = config.getMapConfig(name);
MapStoreConfig mapStoreConfig = new MapStoreConfig();
mapStoreConfig.setEnabled(true).setClassName(IncrementerPostProcessingMapStore.class.getName());
mapConfig.setMapStoreConfig(mapStoreConfig);
HazelcastInstance instance = factory.newHazelcastInstance(config);
warmUpPartitions(instance);
return instance.getMap(name);
}
public static class IncrementerPostProcessingMapStore implements MapStore<Integer, SampleObject>, PostProcessingMapStore {
Map<Integer, SampleObject> map = new ConcurrentHashMap<Integer, SampleObject>();
@Override
public void store(Integer key, SampleObject value) {
value.version++;
map.put(key, value);
}
@Override
public void storeAll(Map<Integer, SampleObject> map) {
for (Map.Entry<Integer, SampleObject> entry : map.entrySet()) {
store(entry.getKey(), entry.getValue());
}
}
@Override
public void delete(Integer key) {
map.remove(key);
}
@Override
public void deleteAll(Collection<Integer> keys) {
for (Integer key : keys) {
map.remove(key);
}
}
@Override
public SampleObject load(Integer key) {
return map.get(key);
}
@Override
public Map<Integer, SampleObject> loadAll(Collection<Integer> keys) {
HashMap<Integer, SampleObject> temp = new HashMap<Integer, SampleObject>();
for (Integer key : keys) {
temp.put(key, map.get(key));
}
return temp;
}
@Override
public Set<Integer> loadAllKeys() {
return map.keySet();
}
}
public static class SampleObject implements Serializable {
public int version;
SampleObject(int version) {
this.version = version;
}
}
}