/*
* 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.distributed;
import java.io.Serializable;
import java.util.HashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Callable;
import java.util.concurrent.atomic.AtomicLong;
import javax.cache.Cache;
import javax.cache.CacheException;
import javax.cache.processor.EntryProcessor;
import javax.cache.processor.EntryProcessorException;
import javax.cache.processor.MutableEntry;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.cache.CacheAtomicityMode;
import org.apache.ignite.cache.CacheRebalanceMode;
import org.apache.ignite.cache.CacheWriteSynchronizationMode;
import org.apache.ignite.cluster.ClusterTopologyException;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.configuration.NearCacheConfiguration;
import org.apache.ignite.internal.IgniteInternalFuture;
import org.apache.ignite.lang.IgniteFuture;
import org.apache.ignite.spi.communication.tcp.TcpCommunicationSpi;
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.GridTestUtils;
import org.apache.ignite.testframework.junits.common.GridCommonAbstractTest;
import org.apache.ignite.transactions.Transaction;
import org.apache.ignite.transactions.TransactionRollbackException;
import static org.apache.ignite.transactions.TransactionConcurrency.PESSIMISTIC;
import static org.apache.ignite.transactions.TransactionIsolation.REPEATABLE_READ;
/**
*
*/
public class IgniteCacheNearRestartRollbackSelfTest extends GridCommonAbstractTest {
/** Shared IP finder. */
private static final TcpDiscoveryIpFinder IP_FINDER = new TcpDiscoveryVmIpFinder(true);
/**
* The number of entries to put to the test cache.
*/
private static final int ENTRY_COUNT = 100;
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);
TcpDiscoverySpi discoSpi = new TcpDiscoverySpi();
discoSpi.setIpFinder(IP_FINDER);
cfg.setClientFailureDetectionTimeout(50000);
cfg.setDiscoverySpi(discoSpi);
cfg.setCacheConfiguration(cacheConfiguration(igniteInstanceName));
if (getTestIgniteInstanceName(3).equals(igniteInstanceName)) {
cfg.setClientMode(true);
discoSpi.setForceServerMode(true);
}
TcpCommunicationSpi commSpi = new TcpCommunicationSpi();
commSpi.setSharedMemoryPort(-1);
cfg.setCommunicationSpi(commSpi);
return cfg;
}
/**
* @param igniteInstanceName Ignite instance name.
* @return Cache configuration.
*/
protected CacheConfiguration<Object, Object> cacheConfiguration(String igniteInstanceName) {
CacheConfiguration<Object, Object> ccfg = new CacheConfiguration<>(DEFAULT_CACHE_NAME);
ccfg.setAtomicityMode(CacheAtomicityMode.TRANSACTIONAL);
ccfg.setBackups(1);
ccfg.setNearConfiguration(new NearCacheConfiguration<>());
ccfg.setWriteSynchronizationMode(CacheWriteSynchronizationMode.FULL_SYNC);
ccfg.setRebalanceMode(CacheRebalanceMode.SYNC);
return ccfg;
}
/**
* @throws Exception If failed.
*/
@SuppressWarnings("SynchronizationOnLocalVariableOrMethodParameter")
public void testRestarts() throws Exception {
startGrids(4);
Ignite tester = ignite(3);
final AtomicLong lastUpdateTs = new AtomicLong(System.currentTimeMillis());
try {
Set<Integer> keys = new LinkedHashSet<>();
for (int i = 0; i < ENTRY_COUNT; i++)
keys.add(i);
IgniteInternalFuture<Object> fut = GridTestUtils.runAsync(new Callable<Object>() {
@Override public Object call() throws Exception {
for (int i = 0; i < 50; i++) {
stopGrid(0);
startGrid(0);
stopGrid(1);
startGrid(1);
stopGrid(2);
startGrid(2);
synchronized (lastUpdateTs) {
while (System.currentTimeMillis() - lastUpdateTs.get() > 1_000) {
info("Will wait for an update operation to finish.");
lastUpdateTs.wait(1_000);
}
}
}
return null;
}
});
int currVal = 0;
boolean invoke = false;
while (!fut.isDone()) {
try {
updateCache(tester, currVal, invoke, false, keys);
updateCache(tester, currVal + 1, invoke, true, keys);
invoke = !invoke;
currVal++;
synchronized (lastUpdateTs) {
lastUpdateTs.set(System.currentTimeMillis());
lastUpdateTs.notifyAll();
}
}
catch (Throwable e) {
log.error("Update failed: " + e, e);
throw e;
}
}
fut.get();
}
finally {
stopAllGrids();
}
}
/**
* Updates the cache or rollback the update.
*
* @param ignite Ignite instance to use.
* @param newVal the new value to put to the entries
* @param invoke whether to use invokeAll() or putAll()
* @param rollback whether to rollback the changes or commit
* @param keys Collection of keys to update.
*/
private void updateCache(
Ignite ignite,
int newVal,
boolean invoke,
boolean rollback,
Set<Integer> keys
) {
final IgniteCache<Integer, Integer> cache = ignite.cache(DEFAULT_CACHE_NAME);
if (rollback) {
while (true) {
try (Transaction tx = ignite.transactions().txStart(PESSIMISTIC, REPEATABLE_READ)) {
updateEntries(cache, newVal, invoke, keys);
tx.rollback();
break;
}
catch (CacheException e) {
if (e.getCause() instanceof ClusterTopologyException) {
ClusterTopologyException topEx = (ClusterTopologyException)e.getCause();
topEx.retryReadyFuture().get();
}
else
throw e;
}
catch (ClusterTopologyException e) {
IgniteFuture<?> fut = e.retryReadyFuture();
fut.get();
}
catch (TransactionRollbackException ignore) {
// Safe to retry right away.
}
}
}
else
updateEntries(cache, newVal, invoke, keys);
}
/**
* Update the cache using either invokeAll() or putAll().
*
* @param cache the cache
* @param newVal the new value to put to the entries
* @param invoke whether to use invokeAll() or putAll()
* @param keys Keys to update.
*/
private void updateEntries(
Cache<Integer, Integer> cache,
int newVal,
boolean invoke,
Set<Integer> keys
) {
if (invoke)
cache.invokeAll(keys, new IntegerSetValue(newVal));
else {
final Map<Integer, Integer> entries = new HashMap<>(ENTRY_COUNT);
for (final Integer key : keys)
entries.put(key, newVal);
cache.putAll(entries);
}
}
/**
* {@link EntryProcessor} used to update the entry value.
*/
private static class IntegerSetValue implements EntryProcessor<Integer, Integer, Boolean>, Serializable {
/** */
private final int newVal;
/**
* @param newVal New value.
*/
private IntegerSetValue(final int newVal) {
this.newVal = newVal;
}
/** {@inheritDoc} */
@Override public Boolean process(MutableEntry<Integer, Integer> entry, Object... arguments)
throws EntryProcessorException {
entry.setValue(newVal);
return Boolean.TRUE;
}
}
}