/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.ignite.internal.processors.cache;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.IgniteCheckedException;
import org.apache.ignite.internal.IgniteInternalFuture;
import org.apache.ignite.testframework.GridTestUtils;
import org.apache.ignite.transactions.Transaction;
import org.apache.ignite.transactions.TransactionConcurrency;
import org.apache.ignite.transactions.TransactionIsolation;
import org.apache.ignite.transactions.TransactionOptimisticException;
import org.jetbrains.annotations.Nullable;
import static org.apache.ignite.transactions.TransactionConcurrency.OPTIMISTIC;
import static org.apache.ignite.transactions.TransactionConcurrency.PESSIMISTIC;
import static org.apache.ignite.transactions.TransactionIsolation.READ_COMMITTED;
import static org.apache.ignite.transactions.TransactionIsolation.REPEATABLE_READ;
import static org.apache.ignite.transactions.TransactionIsolation.SERIALIZABLE;
/**
* Tests for local transactions.
*/
@SuppressWarnings( {"BusyWait"})
public abstract class IgniteTxMultiThreadedAbstractTest extends IgniteTxAbstractTest {
/**
* @return Thread count.
*/
protected abstract int threadCount();
/**
* @param concurrency Concurrency.
* @param isolation Isolation.
* @throws Exception If check failed.
*/
protected void checkCommitMultithreaded(final TransactionConcurrency concurrency,
final TransactionIsolation isolation) throws Exception {
GridTestUtils.runMultiThreaded(new Callable<Object>() {
@Nullable @Override public Object call() throws Exception {
Thread t = Thread.currentThread();
t.setName(t.getName() + "-id-" + t.getId());
info("Starting commit thread: " + Thread.currentThread().getName());
try {
checkCommit(concurrency, isolation);
}
finally {
info("Finished commit thread: " + Thread.currentThread().getName());
}
return null;
}
}, threadCount(), concurrency + "-" + isolation);
}
/**
* @param concurrency Concurrency.
* @param isolation Isolation.
* @throws Exception If check failed.
*/
protected void checkRollbackMultithreaded(final TransactionConcurrency concurrency,
final TransactionIsolation isolation) throws Exception {
final ConcurrentMap<Integer, String> map = new ConcurrentHashMap<>();
GridTestUtils.runMultiThreaded(new Callable<Object>() {
@Nullable @Override public Object call() throws Exception {
Thread t = Thread.currentThread();
t.setName(t.getName() + "-id-" + t.getId());
info("Starting rollback thread: " + Thread.currentThread().getName());
try {
checkRollback(map, concurrency, isolation);
return null;
}
finally {
info("Finished rollback thread: " + Thread.currentThread().getName());
}
}
}, threadCount(), concurrency + "-" + isolation);
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testPessimisticReadCommittedCommitMultithreaded() throws Exception {
checkCommitMultithreaded(PESSIMISTIC, READ_COMMITTED);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testPessimisticRepeatableReadCommitMultithreaded() throws Exception {
checkCommitMultithreaded(PESSIMISTIC, REPEATABLE_READ);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testPessimisticSerializableCommitMultithreaded() throws Exception {
checkCommitMultithreaded(PESSIMISTIC, SERIALIZABLE);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testOptimisticReadCommittedCommitMultithreaded() throws Exception {
checkCommitMultithreaded(OPTIMISTIC, READ_COMMITTED);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testOptimisticRepeatableReadCommitMultithreaded() throws Exception {
checkCommitMultithreaded(OPTIMISTIC, REPEATABLE_READ);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testOptimisticSerializableCommitMultithreaded() throws Exception {
checkCommitMultithreaded(OPTIMISTIC, SERIALIZABLE);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testPessimisticReadCommittedRollbackMultithreaded() throws Exception {
checkRollbackMultithreaded(PESSIMISTIC, READ_COMMITTED);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testPessimisticRepeatableReadRollbackMultithreaded() throws Exception {
checkRollbackMultithreaded(PESSIMISTIC, REPEATABLE_READ);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testPessimisticSerializableRollbackMultithreaded() throws Exception {
checkRollbackMultithreaded(PESSIMISTIC, SERIALIZABLE);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testOptimisticReadCommittedRollbackMultithreaded() throws Exception {
checkRollbackMultithreaded(OPTIMISTIC, READ_COMMITTED);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testOptimisticRepeatableReadRollbackMultithreaded() throws Exception {
checkRollbackMultithreaded(OPTIMISTIC, REPEATABLE_READ);
finalChecks();
}
/**
* @throws IgniteCheckedException If test failed.
*/
public void testOptimisticSerializableRollbackMultithreaded() throws Exception {
checkRollbackMultithreaded(OPTIMISTIC, SERIALIZABLE);
finalChecks();
}
/**
* @throws Exception If failed.
*/
public void testOptimisticSerializableConsistency() throws Exception {
final IgniteCache<Integer, Long> cache = grid(0).cache(DEFAULT_CACHE_NAME);
final int THREADS = 3;
final int ITERATIONS = 100;
for (int key0 = 100_000; key0 < 100_000 + 20; key0++) {
final int key = key0;
cache.put(key, 0L);
List<IgniteInternalFuture<Collection<Long>>> futs = new ArrayList<>(THREADS);
for (int i = 0; i < THREADS; i++) {
futs.add(GridTestUtils.runAsync(new Callable<Collection<Long>>() {
@Override public Collection<Long> call() throws Exception {
Collection<Long> res = new ArrayList<>();
for (int i = 0; i < ITERATIONS; i++) {
while (true) {
try (Transaction tx = grid(0).transactions().txStart(OPTIMISTIC, SERIALIZABLE)) {
long val = cache.get(key);
cache.put(key, val + 1);
tx.commit();
assertTrue(res.add(val + 1));
break;
}
catch (TransactionOptimisticException ignored) {
// Retry.
}
}
}
return res;
}
}));
}
long total = 0;
List<Collection<Long>> cols = new ArrayList<>(THREADS);
for (IgniteInternalFuture<Collection<Long>> fut : futs) {
Collection<Long> col = fut.get();
assertEquals(ITERATIONS, col.size());
total += col.size();
cols.add(col);
}
log.info("Cache value: " + cache.get(key));
Set<Long> duplicates = new HashSet<>();
for (Collection<Long> col1 : cols) {
for (Long val1 : col1) {
for (Collection<Long> col2 : cols) {
if (col1 == col2)
continue;
for (Long val2 : col2) {
if (val1.equals(val2)) {
duplicates.add(val2);
break;
}
}
}
}
}
assertTrue("Found duplicated values: " + duplicates, duplicates.isEmpty());
assertEquals((long)THREADS * ITERATIONS, total);
// Try to update one more time to make sure cache is in consistent state.
try (Transaction tx = grid(0).transactions().txStart(OPTIMISTIC, SERIALIZABLE)) {
long val = cache.get(key);
cache.put(key, val);
tx.commit();
}
for (int i = 0; i < gridCount(); i++)
assertEquals(total, grid(i).cache(DEFAULT_CACHE_NAME).get(key));
}
}
}