/*
* 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.map;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.instance.Node;
import com.hazelcast.map.impl.MapPartitionLostEventFilter;
import com.hazelcast.map.impl.MapService;
import com.hazelcast.map.listener.EntryAddedListener;
import com.hazelcast.nio.Address;
import com.hazelcast.partition.AbstractPartitionLostListenerTest;
import com.hazelcast.spi.partition.IPartition;
import com.hazelcast.spi.partition.IPartitionLostEvent;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastParallelClassRunner;
import com.hazelcast.test.annotation.ParallelTest;
import com.hazelcast.test.annotation.QuickTest;
import org.junit.Test;
import org.junit.experimental.categories.Category;
import org.junit.runner.RunWith;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Mockito.mock;
@RunWith(HazelcastParallelClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class MapPartitionLostListenerTest extends AbstractPartitionLostListenerTest {
@Override
public int getNodeCount() {
return 2;
}
@Test
public void test_partitionLostListenerInvoked() {
List<HazelcastInstance> instances = getCreatedInstancesShuffledAfterWarmedUp(1);
HazelcastInstance instance = instances.get(0);
final TestEventCollectingMapPartitionLostListener listener = new TestEventCollectingMapPartitionLostListener(0);
instance.getMap(getIthMapName(0)).addPartitionLostListener(listener);
final IPartitionLostEvent internalEvent = new IPartitionLostEvent(1, 0, null);
MapService mapService = getNode(instance).getNodeEngine().getService(MapService.SERVICE_NAME);
mapService.onPartitionLost(internalEvent);
assertEventEventually(listener, internalEvent);
}
@Test
public void test_allPartitionLostListenersInvoked() {
List<HazelcastInstance> instances = getCreatedInstancesShuffledAfterWarmedUp(2);
HazelcastInstance instance1 = instances.get(0);
HazelcastInstance instance2 = instances.get(0);
final TestEventCollectingMapPartitionLostListener listener1 = new TestEventCollectingMapPartitionLostListener(0);
final TestEventCollectingMapPartitionLostListener listener2 = new TestEventCollectingMapPartitionLostListener(0);
instance1.getMap(getIthMapName(0)).addPartitionLostListener(listener1);
instance2.getMap(getIthMapName(0)).addPartitionLostListener(listener2);
final IPartitionLostEvent internalEvent = new IPartitionLostEvent(1, 0, null);
MapService mapService = getNode(instance1).getNodeEngine().getService(MapService.SERVICE_NAME);
mapService.onPartitionLost(internalEvent);
assertEventEventually(listener1, internalEvent);
assertEventEventually(listener2, internalEvent);
}
@Test
public void test_partitionLostListenerInvoked_whenEntryListenerIsAlsoRegistered() {
List<HazelcastInstance> instances = getCreatedInstancesShuffledAfterWarmedUp(1);
HazelcastInstance instance = instances.get(0);
final TestEventCollectingMapPartitionLostListener listener = new TestEventCollectingMapPartitionLostListener(0);
instance.getMap(getIthMapName(0)).addPartitionLostListener(listener);
instance.getMap(getIthMapName(0)).addEntryListener(mock(EntryAddedListener.class), true);
final IPartitionLostEvent internalEvent = new IPartitionLostEvent(1, 0, null);
MapService mapService = getNode(instance).getNodeEngine().getService(MapService.SERVICE_NAME);
mapService.onPartitionLost(internalEvent);
assertEventEventually(listener, internalEvent);
}
@Test
public void test_partitionLostListenerInvoked_whenNodeCrashed() {
List<HazelcastInstance> instances = getCreatedInstancesShuffledAfterWarmedUp();
HazelcastInstance survivingInstance = instances.get(0);
HazelcastInstance terminatingInstance = instances.get(1);
final TestEventCollectingMapPartitionLostListener listener = new TestEventCollectingMapPartitionLostListener(0);
survivingInstance.getMap(getIthMapName(0)).addPartitionLostListener(listener);
final Set<Integer> survivingPartitionIds = new HashSet<Integer>();
Node survivingNode = getNode(survivingInstance);
Address survivingAddress = survivingNode.getThisAddress();
for (IPartition partition : survivingNode.getPartitionService().getPartitions()) {
if (survivingAddress.equals(partition.getReplicaAddress(0))) {
survivingPartitionIds.add(partition.getPartitionId());
}
}
terminatingInstance.getLifecycleService().terminate();
waitAllForSafeState(survivingInstance);
assertTrueEventually(new AssertTask() {
@Override
public void run()
throws Exception {
List<MapPartitionLostEvent> events = listener.getEvents();
assertFalse(events.isEmpty());
for (MapPartitionLostEvent event : events) {
assertFalse(survivingPartitionIds.contains(event.getPartitionId()));
}
}
});
}
@Test
public void testMapPartitionLostEventFilter() {
MapPartitionLostEventFilter filter = new MapPartitionLostEventFilter();
assertEquals(new MapPartitionLostEventFilter(), filter);
assertFalse(filter.eval(null));
}
private static void assertEventEventually(final TestEventCollectingMapPartitionLostListener listener,
final IPartitionLostEvent internalEvent) {
assertTrueEventually(new AssertTask() {
@Override
public void run()
throws Exception {
List<MapPartitionLostEvent> events = listener.getEvents();
assertEquals(1, events.size());
MapPartitionLostEvent event = events.get(0);
assertEquals(internalEvent.getPartitionId(), event.getPartitionId());
assertNotNull(event.toString());
}
});
}
}