/*
* 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.collection.impl.txnlist;
import com.hazelcast.config.Config;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.core.IList;
import com.hazelcast.core.Member;
import com.hazelcast.core.TransactionalList;
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 com.hazelcast.transaction.TransactionContext;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.concurrent.Callable;
import java.util.concurrent.CountDownLatch;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.Future;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class TransactionListTest extends HazelcastTestSupport {
@Test
public void testSingleListAtomicity() throws ExecutionException, InterruptedException {
final int itemCount = 200;
final HazelcastInstance instance = createHazelcastInstance();
final String name = randomString();
Future<Integer> f = spawn(new Callable<Integer>() {
@Override
public Integer call() throws Exception {
IList<Object> set = instance.getList(name);
while (!set.remove("item-1")) {
}
return set.size();
}
});
TransactionContext context = instance.newTransactionContext();
context.beginTransaction();
TransactionalList<Object> set = context.getList(name);
for (int i = 0; i < itemCount; i++) {
set.add("item-" + i);
}
context.commitTransaction();
int size = f.get();
assertEquals(itemCount - 1, size);
}
@Test
public void testOrder_WhenMultipleConcurrentTransactionRollback() throws InterruptedException {
final HazelcastInstance instance = createHazelcastInstance();
final String name = randomString();
IList<Integer> list = instance.getList(name);
list.add(1);
list.add(2);
list.add(3);
TransactionContext firstContext = instance.newTransactionContext();
firstContext.beginTransaction();
firstContext.getList(name).remove(1);
final CountDownLatch latch = new CountDownLatch(1);
Thread thread = new Thread() {
@Override
public void run() {
TransactionContext secondContext = instance.newTransactionContext();
secondContext.beginTransaction();
secondContext.getList(name).remove(2);
try {
latch.await();
} catch (InterruptedException e) {
e.printStackTrace();
}
secondContext.rollbackTransaction();
}
};
thread.start();
firstContext.rollbackTransaction();
latch.countDown();
thread.join();
assertEquals(1, list.get(0).intValue());
assertEquals(2, list.get(1).intValue());
assertEquals(3, list.get(2).intValue());
}
@Test
public void testAdd() {
HazelcastInstance instance = createHazelcastInstance();
String name = randomString();
String item = randomString();
IList<Object> list = instance.getList(name);
TransactionContext context = instance.newTransactionContext();
try {
context.beginTransaction();
TransactionalList<Object> txnList = context.getList(name);
assertTrue(txnList.add(item));
context.commitTransaction();
} catch (Exception e) {
fail(e.getMessage());
context.rollbackTransaction();
}
assertEquals(1, list.size());
assertEquals(item, list.get(0));
}
@Test
public void testRemove() {
HazelcastInstance instance = createHazelcastInstance();
String name = randomString();
String item = randomString();
IList<Object> list = instance.getList(name);
list.add(item);
TransactionContext context = instance.newTransactionContext();
try {
context.beginTransaction();
TransactionalList<Object> txnList = context.getList(name);
assertTrue(txnList.remove(item));
context.commitTransaction();
} catch (Exception e) {
fail(e.getMessage());
context.rollbackTransaction();
}
assertEquals(0, list.size());
}
@Test
public void testRemove_withNotContainedItem() {
HazelcastInstance instance = createHazelcastInstance();
String name = randomString();
String item = randomString();
String notContainedItem = randomString();
IList<Object> list = instance.getList(name);
list.add(item);
TransactionContext context = instance.newTransactionContext();
try {
context.beginTransaction();
TransactionalList<Object> txnList = context.getList(name);
assertFalse(txnList.remove(notContainedItem));
context.commitTransaction();
} catch (Exception e) {
fail(e.getMessage());
context.rollbackTransaction();
}
assertEquals(1, list.size());
}
@Test
public void testMigrationSerializationNotFails_whenTransactionsAreUsed() throws Exception {
Config config = new Config();
config.setProperty("hazelcast.partition.count", "2");
TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(2);
HazelcastInstance instance1 = factory.newHazelcastInstance(config);
String listName = randomString();
TransactionContext tr = instance1.newTransactionContext();
tr.beginTransaction();
TransactionalList<Object> list = tr.getList(listName);
for (int i = 0; i < 10; i++) {
list.add(i);
}
tr.commitTransaction();
HazelcastInstance instance2 = factory.newHazelcastInstance(config);
Member owner = instance1.getPartitionService().getPartition(listName).getOwner();
HazelcastInstance aliveInstance;
if (instance1.getCluster().getLocalMember().equals(owner)) {
instance1.shutdown();
aliveInstance = instance2;
} else {
instance2.shutdown();
aliveInstance = instance1;
}
IList<Object> l = aliveInstance.getList(listName);
for (int i = 0; i < 10; i++) {
assertEquals(i, l.get(i));
}
}
}