/*
* 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.dht;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Map;
import org.apache.ignite.Ignite;
import org.apache.ignite.IgniteCache;
import org.apache.ignite.cache.affinity.rendezvous.RendezvousAffinityFunction;
import org.apache.ignite.cluster.ClusterNode;
import org.apache.ignite.configuration.CacheConfiguration;
import org.apache.ignite.configuration.IgniteConfiguration;
import org.apache.ignite.events.CacheEvent;
import org.apache.ignite.events.CacheRebalancingEvent;
import org.apache.ignite.events.Event;
import org.apache.ignite.internal.util.typedef.F;
import org.apache.ignite.lang.IgnitePredicate;
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 static org.apache.ignite.cache.CacheMode.PARTITIONED;
import static org.apache.ignite.cache.CacheRebalanceMode.SYNC;
import static org.apache.ignite.events.EventType.EVT_CACHE_REBALANCE_OBJECT_UNLOADED;
import static org.apache.ignite.events.EventType.EVT_CACHE_REBALANCE_PART_UNLOADED;
/**
*/
public class GridCachePartitionedUnloadEventsSelfTest extends GridCommonAbstractTest {
/** */
private TcpDiscoveryIpFinder ipFinder = new TcpDiscoveryVmIpFinder(true);
/** {@inheritDoc} */
@Override protected IgniteConfiguration getConfiguration(String igniteInstanceName) throws Exception {
IgniteConfiguration cfg = super.getConfiguration(igniteInstanceName);
TcpDiscoverySpi disco = new TcpDiscoverySpi();
disco.setIpFinder(ipFinder);
cfg.setDiscoverySpi(disco);
cfg.setCacheConfiguration(cacheConfiguration());
return cfg;
}
/**
* @return Cache configuration.
*/
protected CacheConfiguration cacheConfiguration() {
CacheConfiguration cacheCfg = defaultCacheConfiguration();
cacheCfg.setCacheMode(PARTITIONED);
cacheCfg.setRebalanceMode(SYNC);
cacheCfg.setAffinity(new RendezvousAffinityFunction(false, 10));
cacheCfg.setBackups(0);
return cacheCfg;
}
/**
* @throws Exception if failed.
*/
public void testUnloadEvents() throws Exception {
final Ignite g1 = startGrid("g1");
Collection<Integer> allKeys = new ArrayList<>(100);
IgniteCache<Integer, String> cache = g1.cache(DEFAULT_CACHE_NAME);
for (int i = 0; i < 100; i++) {
cache.put(i, "val");
allKeys.add(i);
}
Ignite g2 = startGrid("g2");
awaitPartitionMapExchange();
Map<ClusterNode, Collection<Object>> keysMap = g1.affinity(DEFAULT_CACHE_NAME).mapKeysToNodes(allKeys);
Collection<Object> g2Keys = keysMap.get(g2.cluster().localNode());
assertNotNull(g2Keys);
assertFalse("There are no keys assigned to g2", g2Keys.isEmpty());
Thread.sleep(5000);
Collection<Event> objEvts =
g1.events().localQuery(F.<Event>alwaysTrue(), EVT_CACHE_REBALANCE_OBJECT_UNLOADED);
checkObjectUnloadEvents(objEvts, g1, g2Keys);
Collection <Event> partEvts =
g1.events().localQuery(F.<Event>alwaysTrue(), EVT_CACHE_REBALANCE_PART_UNLOADED);
checkPartitionUnloadEvents(partEvts, g1, dht(g2.cache(DEFAULT_CACHE_NAME)).topology().localPartitions());
}
/**
* @param evts Events.
* @param g Grid.
* @param keys Keys.
*/
private void checkObjectUnloadEvents(Collection<Event> evts, Ignite g, Collection<?> keys) {
assertEquals(keys.size(), evts.size());
for (Event evt : evts) {
CacheEvent cacheEvt = ((CacheEvent)evt);
assertEquals(EVT_CACHE_REBALANCE_OBJECT_UNLOADED, cacheEvt.type());
assertEquals(g.cache(DEFAULT_CACHE_NAME).getName(), cacheEvt.cacheName());
assertEquals(g.cluster().localNode().id(), cacheEvt.node().id());
assertEquals(g.cluster().localNode().id(), cacheEvt.eventNode().id());
assertTrue("Unexpected key: " + cacheEvt.key(), keys.contains(cacheEvt.key()));
}
}
/**
* @param evts Events.
* @param g Grid.
* @param parts Parts.
*/
private void checkPartitionUnloadEvents(Collection<Event> evts, Ignite g,
Collection<GridDhtLocalPartition> parts) {
assertEquals(parts.size(), evts.size());
for (Event evt : evts) {
CacheRebalancingEvent unloadEvt = (CacheRebalancingEvent)evt;
final int part = unloadEvt.partition();
assertNotNull("Unexpected partition: " + part, F.find(parts, null,
new IgnitePredicate<GridDhtLocalPartition>() {
@Override
public boolean apply(GridDhtLocalPartition e) {
return e.id() == part;
}
}));
assertEquals(g.cache(DEFAULT_CACHE_NAME).getName(), unloadEvt.cacheName());
assertEquals(g.cluster().localNode().id(), unloadEvt.node().id());
}
}
}