/*
* Copyright (c) 2008-2013, 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.impl.client.txn;
import com.hazelcast.client.HazelcastClient;
import com.hazelcast.config.Config;
import com.hazelcast.config.MultiMapConfig;
import com.hazelcast.core.Hazelcast;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.MultiMap;
import com.hazelcast.core.TransactionalMultiMap;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.QuickTest;
import com.hazelcast.transaction.TransactionContext;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.Collection;
import java.util.Collections;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.Executors;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicReference;
import static com.hazelcast.test.HazelcastTestSupport.randomString;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
@RunWith(HazelcastParallelClassRunner.class)
@Category(QuickTest.class)
public class ClientTxnMultiMapTest {
private static final String multiMapBackedByList = "BackedByList*";
static HazelcastInstance client;
static HazelcastInstance server;
@BeforeClass
public static void init() {
Config config = new Config();
MultiMapConfig multiMapConfig = config.getMultiMapConfig(multiMapBackedByList);
multiMapConfig.setValueCollectionType(MultiMapConfig.ValueCollectionType.LIST);
server = Hazelcast.newHazelcastInstance(config);
client = HazelcastClient.newHazelcastClient();
}
@AfterClass
public static void destroy() {
HazelcastClient.shutdownAll();
Hazelcast.shutdownAll();
}
@Test
public void testRemove() throws Exception {
final String mapName = randomString();
final String key = "key";
final String val = "value";
MultiMap multiMap = client.getMultiMap(mapName);
multiMap.put(key, val);
TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap txnMultiMap = tx.getMultiMap(mapName);
txnMultiMap.remove(key, val);
tx.commitTransaction();
assertEquals(Collections.EMPTY_SET, client.getMultiMap(mapName).get(key));
}
@Test
public void testRemoveAll() throws Exception {
final String mapName = randomString();
final String key = "key";
MultiMap multiMap = client.getMultiMap(mapName);
for (int i = 0; i < 10; i++) {
multiMap.put(key, i);
}
TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap txnMultiMap = tx.getMultiMap(mapName);
txnMultiMap.remove(key);
tx.commitTransaction();
assertEquals(Collections.EMPTY_SET, multiMap.get(key));
}
@Test
public void testConcrruentTxnPut() throws Exception {
final String mapName = randomString();
final MultiMap multiMap = client.getMultiMap(mapName);
final int threads = 10;
final ExecutorService ex = Executors.newFixedThreadPool(threads);
final CountDownLatch latch = new CountDownLatch(threads);
final AtomicReference<Throwable> error = new AtomicReference<Throwable>(null);
for (int i = 0; i < threads; i++) {
final int key = i;
ex.execute(new Runnable() {
public void run() {
multiMap.put(key, "value");
final TransactionContext context = client.newTransactionContext();
try {
context.beginTransaction();
final TransactionalMultiMap txnMultiMap = context.getMultiMap(mapName);
txnMultiMap.put(key, "value");
txnMultiMap.put(key, "value1");
txnMultiMap.put(key, "value2");
assertEquals(3, txnMultiMap.get(key).size());
context.commitTransaction();
assertEquals(3, multiMap.get(key).size());
} catch (Exception e) {
error.compareAndSet(null, e);
} finally {
latch.countDown();
}
}
});
}
try {
latch.await(1, TimeUnit.MINUTES);
assertNull(error.get());
} finally {
ex.shutdownNow();
}
}
@Test
public void testPutAndRoleBack() throws Exception {
final String mapName = randomString();
final String key = "key";
final String value = "value";
final MultiMap multiMap = client.getMultiMap(mapName);
TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap mulitMapTxn = tx.getMultiMap(mapName);
mulitMapTxn.put(key, value);
mulitMapTxn.put(key, value);
tx.rollbackTransaction();
assertEquals(Collections.EMPTY_SET, multiMap.get(key));
}
@Test
public void testSize() throws Exception {
final String mapName = randomString();
final String key = "key";
final String value = "value";
final MultiMap multiMap = client.getMultiMap(mapName);
multiMap.put(key, value);
TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap mulitMapTxn = tx.getMultiMap(mapName);
mulitMapTxn.put(key, "newValue");
mulitMapTxn.put("newKey", value);
assertEquals(3, mulitMapTxn.size());
tx.commitTransaction();
}
@Test
public void testCount() throws Exception {
final String mapName = randomString();
final String key = "key";
final String value = "value";
final MultiMap multiMap = client.getMultiMap(mapName);
multiMap.put(key, value);
TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap mulitMapTxn = tx.getMultiMap(mapName);
mulitMapTxn.put(key, "newValue");
assertEquals(2, mulitMapTxn.valueCount(key));
tx.commitTransaction();
}
@Test
public void testGet_whenBackedWithList() throws Exception {
final String mapName = multiMapBackedByList+randomString();
final String key = "key";
final String value = "value";
final MultiMap multiMap = server.getMultiMap(mapName);
multiMap.put(key, value);
TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap mulitMapTxn = tx.getMultiMap(mapName);
Collection c = mulitMapTxn.get(key);
assertFalse(c.isEmpty());
tx.commitTransaction();
}
@Test
public void testRemove_whenBackedWithList() throws Exception {
final String mapName = multiMapBackedByList+randomString();
final String key = "key";
final String value = "value";
final MultiMap multiMap = server.getMultiMap(mapName);
multiMap.put(key, value);
TransactionContext tx = client.newTransactionContext();
tx.beginTransaction();
TransactionalMultiMap mulitMapTxn = tx.getMultiMap(mapName);
Collection c = mulitMapTxn.remove(key);
assertFalse(c.isEmpty());
tx.commitTransaction();
}
}