/*
* 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.client.map.impl.nearcache;
import com.hazelcast.client.config.ClientConfig;
import com.hazelcast.client.proxy.NearCachedClientMapProxy;
import com.hazelcast.client.test.TestHazelcastFactory;
import com.hazelcast.config.NearCacheConfig;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IMap;
import com.hazelcast.internal.nearcache.NearCacheRecord;
import com.hazelcast.internal.nearcache.impl.DefaultNearCache;
import com.hazelcast.internal.nearcache.impl.store.AbstractNearCacheRecordStore;
import com.hazelcast.internal.serialization.InternalSerializationService;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.annotation.NightlyTest;
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.util.ArrayList;
import java.util.HashSet;
import java.util.List;
import java.util.concurrent.atomic.AtomicBoolean;
import static com.hazelcast.internal.nearcache.NearCacheRecord.READ_PERMITTED;
import static com.hazelcast.util.RandomPicker.getInt;
import static org.junit.Assert.assertEquals;
@RunWith(HazelcastSerialClassRunner.class)
@Category(NightlyTest.class)
public class ClientMapRecordStateStressTest extends HazelcastTestSupport {
private static final String MAP_NAME = "test";
private static final int KEY_SPACE = 100;
private static final int TEST_RUN_SECONDS = 60;
private static final int GET_ALL_THREAD_COUNT = 3;
private static final int GET_THREAD_COUNT = 2;
private static final int PUT_THREAD_COUNT = 1;
private static final int CLEAR_THREAD_COUNT = 1;
private static final int REMOVE_THREAD_COUNT = 1;
private TestHazelcastFactory factory;
private AtomicBoolean stop;
@Before
public void setUp() {
factory = new TestHazelcastFactory();
stop = new AtomicBoolean();
}
@After
public void tearDown() {
factory.shutdownAll();
}
@Test
public void allRecordsAreInReadableStateInTheEnd() throws Exception {
HazelcastInstance member = factory.newHazelcastInstance();
factory.newHazelcastInstance();
factory.newHazelcastInstance();
ClientConfig clientConfig = new ClientConfig();
clientConfig.addNearCacheConfig(newNearCacheConfig());
HazelcastInstance client = factory.newHazelcastClient(clientConfig);
IMap<Integer, Integer> memberMap = member.getMap(MAP_NAME);
// initial population of IMap from member
for (int i = 0; i < KEY_SPACE; i++) {
memberMap.put(i, i);
}
List<Thread> threads = new ArrayList<Thread>();
// member
for (int i = 0; i < PUT_THREAD_COUNT; i++) {
Put put = new Put(memberMap);
threads.add(put);
}
// client
IMap<Integer, Integer> clientMap = client.getMap(MAP_NAME);
for (int i = 0; i < GET_ALL_THREAD_COUNT; i++) {
GetAll getAll = new GetAll(clientMap);
threads.add(getAll);
}
for (int i = 0; i < GET_THREAD_COUNT; i++) {
Get get = new Get(clientMap);
threads.add(get);
}
for (int i = 0; i < REMOVE_THREAD_COUNT; i++) {
Remove remove = new Remove(clientMap);
threads.add(remove);
}
for (int i = 0; i < CLEAR_THREAD_COUNT; i++) {
Clear clear = new Clear(clientMap);
threads.add(clear);
}
// start threads
for (Thread thread : threads) {
thread.start();
}
// stress for a while
sleepSeconds(TEST_RUN_SECONDS);
// stop threads
stop.set(true);
for (Thread thread : threads) {
thread.join();
}
assertFinalRecordStateIsReadPermitted(clientMap, getSerializationService(member));
}
private NearCacheConfig newNearCacheConfig() {
return new NearCacheConfig()
.setName(MAP_NAME)
.setInvalidateOnChange(true);
}
private static void assertFinalRecordStateIsReadPermitted(IMap clientMap, InternalSerializationService serializationService) {
NearCachedClientMapProxy proxy = (NearCachedClientMapProxy) clientMap;
DefaultNearCache nearCache = (DefaultNearCache) proxy.getNearCache().unwrap(DefaultNearCache.class);
AbstractNearCacheRecordStore nearCacheRecordStore = (AbstractNearCacheRecordStore) nearCache.getNearCacheRecordStore();
for (int i = 0; i < KEY_SPACE; i++) {
Data key = serializationService.toData(i);
NearCacheRecord record = nearCacheRecordStore.getRecord(key);
if (record != null) {
assertEquals(record.toString(), READ_PERMITTED, record.getRecordState());
}
}
}
private class Put extends Thread {
private final IMap<Integer, Integer> map;
private Put(IMap<Integer, Integer> map) {
this.map = map;
}
@Override
public void run() {
do {
for (int i = 0; i < KEY_SPACE; i++) {
map.put(i, getInt(KEY_SPACE));
}
sleepAtLeastMillis(100);
} while (!stop.get());
}
}
private class Remove extends Thread {
private final IMap<Integer, Integer> map;
private Remove(IMap<Integer, Integer> map) {
this.map = map;
}
@Override
public void run() {
do {
for (int i = 0; i < KEY_SPACE; i++) {
map.remove(i);
}
sleepAtLeastMillis(100);
} while (!stop.get());
}
}
private class Clear extends Thread {
private final IMap<Integer, Integer> map;
private Clear(IMap<Integer, Integer> map) {
this.map = map;
}
@Override
public void run() {
do {
map.clear();
sleepAtLeastMillis(5000);
} while (!stop.get());
}
}
private class GetAll extends Thread {
private final IMap<Integer, Integer> map;
private GetAll(IMap<Integer, Integer> map) {
this.map = map;
}
@Override
public void run() {
HashSet<Integer> keys = new HashSet<Integer>();
for (int i = 0; i < KEY_SPACE; i++) {
keys.add(i);
}
do {
map.getAll(keys);
sleepAtLeastMillis(2);
} while (!stop.get());
}
}
private class Get extends Thread {
private final IMap<Integer, Integer> map;
private Get(IMap<Integer, Integer> map) {
this.map = map;
}
@Override
public void run() {
do {
for (int i = 0; i < KEY_SPACE; i++) {
map.get(i);
}
} while (!stop.get());
}
}
}