/*
* 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.datastructures.partitioned;
import java.util.concurrent.CountDownLatch;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteAtomicSequence;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.configuration.AtomicConfiguration;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.internal.util.typedef.internal.U;
import org.apache.ignite.lang.IgniteRunnable;
import org.apache.ignite.resources.IgniteInstanceResource;
import org.apache.ignite.spi.discovery.tcp.TcpDiscoverySpi;
import org.apache.ignite.spi.discovery.tcp.ipfinder.TcpDiscoveryIpFinder;
import org.apache.ignite.spi.discovery.tcp.ipfinder.vm.TcpDiscoveryVmIpFinder;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.ignite.transactions.Transaction;
import static org.apache.ignite.cache.CacheAtomicityMode.TRANSACTIONAL;
/**
* Tests {@link IgniteAtomicSequence} operations inside started user transaction.
*/
public class GridCachePartitionedAtomicSequenceTxSelfTest extends GridCommonAbstractTest {
/** Number of threads. */
private static final int THREAD_NUM = 8;
/** Sequence cache size. */
private static final int SEQ_CACHE_SIZE = 10;
/** Iterations. */
private static final int ITERATIONS = 100;
/** Sequence name. */
private static final String SEQ_NAME = "seq";
/** Latch. */
private static CountDownLatch latch;
/** */
private static TcpDiscoveryIpFinder ipFinder = new TcpDiscoveryVmIpFinder(true);
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);
TcpDiscoverySpi spi = new TcpDiscoverySpi();
spi.setIpFinder(ipFinder);
cfg.setDiscoverySpi(spi);
cfg.setPublicThreadPoolSize(THREAD_NUM);
AtomicConfiguration atomicCfg = atomicConfiguration();
assertNotNull(atomicCfg);
cfg.setAtomicConfiguration(atomicCfg);
return cfg;
}
/**
* @return Atomic config for test.
*/
protected AtomicConfiguration atomicConfiguration() {
AtomicConfiguration cfg = new AtomicConfiguration();
cfg.setBackups(1);
cfg.setAtomicSequenceReserveSize(SEQ_CACHE_SIZE);
return cfg;
}
/** {@inheritDoc} */
@Override protected void beforeTest() throws Exception {
latch = new CountDownLatch(THREAD_NUM);
startGridsMultiThreaded(1);
}
/** {@inheritDoc} */
@Override protected void afterTest() throws Exception {
stopAllGrids();
}
/**
* Tests sequence calls inside transactions.
*
* @throws Exception If failed.
*/
public void testTransactionIncrement() throws Exception {
ignite(0).atomicSequence(SEQ_NAME, 0, true);
for (int i = 0; i < THREAD_NUM; i++) {
multithreaded(new Runnable() {
@Override public void run() {
ignite(0).compute().run(new IncrementClosure());
}
}, THREAD_NUM);
}
}
/**
* Tests isolation of system and user transactions.
*/
public void testIsolation() {
IgniteAtomicSequence seq = ignite(0).atomicSequence(SEQ_NAME, 0, true);
CacheConfiguration<Object, Object> ccfg = new CacheConfiguration<>(DEFAULT_CACHE_NAME);
ccfg.setAtomicityMode(TRANSACTIONAL);
IgniteCache<Object, Object> cache = ignite(0).getOrCreateCache(ccfg);
try (Transaction tx = ignite(0).transactions().txStart()) {
seq.getAndIncrement();
cache.put(1, 1);
tx.rollback();
}
assertEquals(0, cache.size());
assertEquals(new Long(1L), U.field(seq, "locVal"));
assertEquals(new Long(SEQ_CACHE_SIZE - 1), U.field(seq, "upBound"));
}
/**
* Closure which does sequence increment.
*/
private static class IncrementClosure implements IgniteRunnable {
/** Ignite instance. */
@IgniteInstanceResource
private Ignite ignite;
/** {@inheritDoc} */
@Override public void run() {
IgniteAtomicSequence seq = ignite.atomicSequence(SEQ_NAME, 0, false);
latch.countDown();
U.awaitQuiet(latch);
for (int i = 0; i < ITERATIONS; i++)
try (Transaction ignored = ignite.transactions().txStart()) {
seq.incrementAndGet();
}
}
}
}