/*
* 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.spi.impl.operationexecutor.impl;
import com.hazelcast.config.Config;
import com.hazelcast.instance.BuildInfo;
import com.hazelcast.instance.DefaultNodeExtension;
import com.hazelcast.instance.Node;
import com.hazelcast.internal.serialization.InternalSerializationService;
import com.hazelcast.internal.serialization.impl.DefaultSerializationServiceBuilder;
import com.hazelcast.logging.LoggingServiceImpl;
import com.hazelcast.nio.Address;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.Packet;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.UrgentSystemOperation;
import com.hazelcast.spi.impl.PacketHandler;
import com.hazelcast.spi.impl.operationexecutor.OperationHostileThread;
import com.hazelcast.spi.impl.operationexecutor.OperationRunner;
import com.hazelcast.spi.impl.operationexecutor.OperationRunnerFactory;
import com.hazelcast.spi.impl.operationservice.impl.responses.Response;
import com.hazelcast.spi.properties.HazelcastProperties;
import com.hazelcast.test.AssertTask;
import com.hazelcast.test.HazelcastTestSupport;
import org.junit.After;
import org.junit.Before;
import org.mockito.Mockito;
import java.io.IOException;
import java.util.LinkedList;
import java.util.List;
import static com.hazelcast.spi.properties.GroupProperty.GENERIC_OPERATION_THREAD_COUNT;
import static com.hazelcast.spi.properties.GroupProperty.PARTITION_COUNT;
import static com.hazelcast.spi.properties.GroupProperty.PARTITION_OPERATION_THREAD_COUNT;
import static java.util.Collections.synchronizedList;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* Abstract test support to test the {@link OperationExecutorImpl}.
* <p/>
* The idea is the following; all dependencies for the executor are available as fields in this object and by calling the
* {@link #initExecutor()} method, the actual ClassicOperationExecutor instance is created. But if you need to replace
* the dependencies by mocks, just replace them before calling the {@link #initExecutor()} method.
*/
public abstract class OperationExecutorImpl_AbstractTest extends HazelcastTestSupport {
LoggingServiceImpl loggingService;
HazelcastProperties props;
Address thisAddress;
DefaultNodeExtension nodeExtension;
OperationRunnerFactory handlerFactory;
InternalSerializationService serializationService;
PacketHandler responsePacketHandler;
OperationExecutorImpl executor;
Config config;
@Before
public void setup() throws Exception {
loggingService = new LoggingServiceImpl("foo", "jdk", new BuildInfo("1", "1", "1", 1, false, (byte) 1));
serializationService = new DefaultSerializationServiceBuilder().build();
config = new Config();
config.setProperty(PARTITION_COUNT.getName(), "10");
config.setProperty(PARTITION_OPERATION_THREAD_COUNT.getName(), "10");
config.setProperty(GENERIC_OPERATION_THREAD_COUNT.getName(), "10");
thisAddress = new Address("localhost", 5701);
nodeExtension = new DefaultNodeExtension(Mockito.mock(Node.class));
handlerFactory = new DummyOperationRunnerFactory();
responsePacketHandler = new DummyResponsePacketHandler();
}
protected OperationExecutorImpl initExecutor() {
props = new HazelcastProperties(config);
executor = new OperationExecutorImpl(
props, loggingService, thisAddress, handlerFactory, nodeExtension, "hzName", Thread.currentThread().getContextClassLoader());
executor.start();
return executor;
}
public static <E> void assertEqualsEventually(final PartitionSpecificCallable task, final E expected) {
assertTrueEventually(new AssertTask() {
@Override
public void run() throws Exception {
assertTrue(task + " has not given a response", task.completed());
assertEquals(expected, task.getResult());
}
});
}
class DummyResponsePacketHandler implements PacketHandler {
List<Packet> packets = synchronizedList(new LinkedList<Packet>());
List<Response> responses = synchronizedList(new LinkedList<Response>());
@Override
public void handle(Packet packet) throws Exception {
packets.add(packet);
Response response = serializationService.toObject(packet);
responses.add(response);
}
}
@After
public void teardown() {
if (executor != null) {
executor.shutdown();
}
}
static class DummyGenericOperation extends DummyOperation {
DummyGenericOperation() {
super(GENERIC_PARTITION_ID);
}
}
static class DummyPartitionOperation extends DummyOperation {
DummyPartitionOperation() {
this(0);
}
DummyPartitionOperation(int partitionId) {
super(partitionId);
}
}
static class DummyOperation extends Operation {
private int durationMs;
DummyOperation(int partitionId) {
setPartitionId(partitionId);
}
DummyOperation durationMs(int durationMs) {
this.durationMs = durationMs;
return this;
}
@Override
public void run() throws Exception {
try {
Thread.sleep(durationMs);
} catch (InterruptedException e) {
Thread.currentThread().interrupt();
}
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeInt(durationMs);
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
durationMs = in.readInt();
}
}
class DummyOperationRunnerFactory implements OperationRunnerFactory {
List<DummyOperationRunner> partitionOperationHandlers = new LinkedList<DummyOperationRunner>();
List<DummyOperationRunner> genericOperationHandlers = new LinkedList<DummyOperationRunner>();
DummyOperationRunner adhocHandler;
@Override
public OperationRunner createPartitionRunner(int partitionId) {
DummyOperationRunner operationHandler = new DummyOperationRunner(partitionId);
partitionOperationHandlers.add(operationHandler);
return operationHandler;
}
@Override
public OperationRunner createGenericRunner() {
DummyOperationRunner operationHandler = new DummyOperationRunner(Operation.GENERIC_PARTITION_ID);
genericOperationHandlers.add(operationHandler);
return operationHandler;
}
@Override
public OperationRunner createAdHocRunner() {
if (adhocHandler != null) {
throw new IllegalStateException("adHocHandler should only be created once");
}
// not the correct handler because it publishes the operation
DummyOperationRunner operationHandler = new DummyOperationRunner(-2);
adhocHandler = operationHandler;
return operationHandler;
}
}
class DummyOperationRunner extends OperationRunner {
List<Packet> packets = synchronizedList(new LinkedList<Packet>());
List<Operation> operations = synchronizedList(new LinkedList<Operation>());
List<Runnable> tasks = synchronizedList(new LinkedList<Runnable>());
DummyOperationRunner(int partitionId) {
super(partitionId);
}
@Override
public long executedOperationsCount() {
return 0;
}
@Override
public void run(Runnable task) {
tasks.add(task);
task.run();
}
@Override
public void run(Packet packet) throws Exception {
packets.add(packet);
Operation op = serializationService.toObject(packet);
run(op);
}
@Override
public void run(Operation task) {
operations.add(task);
currentTask = task;
try {
task.run();
} catch (Exception e) {
e.printStackTrace();
} finally {
currentTask = null;
}
}
}
static class UrgentDummyOperation extends DummyOperation implements UrgentSystemOperation {
UrgentDummyOperation(int partitionId) {
super(partitionId);
}
}
static class DummyOperationHostileThread extends Thread implements OperationHostileThread {
DummyOperationHostileThread(Runnable task) {
super(task);
}
}
}