/*
* 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.internal.partition;
import com.hazelcast.config.Config;
import com.hazelcast.core.HazelcastInstance;
import com.hazelcast.internal.partition.impl.InternalPartitionImpl;
import com.hazelcast.internal.partition.impl.InternalPartitionServiceImpl;
import com.hazelcast.spi.ExceptionAction;
import com.hazelcast.spi.InternalCompletableFuture;
import com.hazelcast.spi.InvocationBuilder;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.ReadonlyOperation;
import com.hazelcast.spi.exception.PartitionMigratingException;
import com.hazelcast.spi.impl.operationservice.InternalOperationService;
import com.hazelcast.spi.properties.GroupProperty;
import com.hazelcast.test.HazelcastSerialClassRunner;
import com.hazelcast.test.HazelcastTestSupport;
import com.hazelcast.test.TestHazelcastInstanceFactory;
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.concurrent.ExecutionException;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
@RunWith(HazelcastSerialClassRunner.class)
@Category({QuickTest.class, ParallelTest.class})
public class StaleReadDuringMigrationTest extends HazelcastTestSupport {
@Test
public void testReadOperationFailsWhenStaleReadDisabledDuringMigration()
throws ExecutionException, InterruptedException {
final Config config = new Config();
config.setProperty(GroupProperty.DISABLE_STALE_READ_ON_PARTITION_MIGRATION.getName(), "true");
final InternalCompletableFuture<Boolean> future = invokeOperation(config);
try {
future.get();
fail();
} catch (ExecutionException e) {
assertTrue(e.getCause() instanceof PartitionMigratingException);
}
}
@Test
public void testReadOperationSucceedsWhenStaleReadEnabledDuringMigration()
throws ExecutionException, InterruptedException {
final InternalCompletableFuture<Boolean> future = invokeOperation(new Config());
assertTrue(future.get());
}
private InternalCompletableFuture<Boolean> invokeOperation(final Config config) {
final TestHazelcastInstanceFactory factory = createHazelcastInstanceFactory(1);
final HazelcastInstance instance = factory.newHazelcastInstance(config);
warmUpPartitions(instance);
final int partitionId = 0;
final InternalPartitionServiceImpl partitionService = (InternalPartitionServiceImpl) getPartitionService(instance);
final InternalPartitionImpl partition = (InternalPartitionImpl) partitionService.getPartition(partitionId);
partition.setMigrating(true);
final InternalOperationService operationService = getOperationService(instance);
final InvocationBuilder invocationBuilder = operationService
.createInvocationBuilder(InternalPartitionService.SERVICE_NAME, new DummyOperation(), partitionId);
return invocationBuilder.invoke();
}
private static class DummyOperation extends Operation implements ReadonlyOperation {
@Override
public void run() throws Exception {
}
@Override
public Object getResponse() {
return true;
}
@Override
public ExceptionAction onInvocationException(Throwable throwable) {
if (throwable instanceof PartitionMigratingException) {
return ExceptionAction.THROW_EXCEPTION;
}
return super.onInvocationException(throwable);
}
}
}