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com.hazelcast.multimap.impl.MultiMapProxySupport Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2016, 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.multimap.impl;
import com.hazelcast.concurrent.lock.LockProxySupport;
import com.hazelcast.concurrent.lock.LockServiceImpl;
import com.hazelcast.config.MultiMapConfig;
import com.hazelcast.core.EntryEventType;
import com.hazelcast.multimap.impl.operations.CountOperation;
import com.hazelcast.multimap.impl.operations.GetAllOperation;
import com.hazelcast.multimap.impl.operations.MultiMapOperationFactory;
import com.hazelcast.multimap.impl.operations.MultiMapOperationFactory.OperationFactoryType;
import com.hazelcast.multimap.impl.operations.MultiMapResponse;
import com.hazelcast.multimap.impl.operations.PutOperation;
import com.hazelcast.multimap.impl.operations.RemoveAllOperation;
import com.hazelcast.multimap.impl.operations.RemoveOperation;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.spi.AbstractDistributedObject;
import com.hazelcast.spi.DefaultObjectNamespace;
import com.hazelcast.spi.NodeEngine;
import com.hazelcast.spi.Operation;
import com.hazelcast.util.ExceptionUtil;
import com.hazelcast.util.ThreadUtil;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.Future;
public abstract class MultiMapProxySupport extends AbstractDistributedObject {
protected final MultiMapConfig config;
protected final String name;
protected final LockProxySupport lockSupport;
protected MultiMapProxySupport(MultiMapService service, NodeEngine nodeEngine, String name) {
super(nodeEngine, service);
this.config = nodeEngine.getConfig().findMultiMapConfig(name);
this.name = name;
lockSupport = new LockProxySupport(new DefaultObjectNamespace(MultiMapService.SERVICE_NAME, name),
LockServiceImpl.getMaxLeaseTimeInMillis(nodeEngine.getGroupProperties()));
}
@Override
public String getName() {
return name;
}
protected Boolean putInternal(Data dataKey, Data dataValue, int index) {
try {
PutOperation operation = new PutOperation(name, dataKey, getThreadId(), dataValue, index);
return invoke(operation, dataKey);
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
protected MultiMapResponse getAllInternal(Data dataKey) {
try {
GetAllOperation operation = new GetAllOperation(name, dataKey);
operation.setThreadId(ThreadUtil.getThreadId());
return invoke(operation, dataKey);
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
protected Boolean removeInternal(Data dataKey, Data dataValue) {
try {
RemoveOperation operation = new RemoveOperation(name, dataKey, getThreadId(), dataValue);
return invoke(operation, dataKey);
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
protected MultiMapResponse removeInternal(Data dataKey) {
try {
RemoveAllOperation operation = new RemoveAllOperation(name, dataKey, getThreadId());
return invoke(operation, dataKey);
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
protected Set localKeySetInternal() {
return getService().localKeySet(name);
}
protected Set keySetInternal() {
final NodeEngine nodeEngine = getNodeEngine();
try {
Map results = nodeEngine.getOperationService()
.invokeOnAllPartitions(
MultiMapService.SERVICE_NAME,
new MultiMapOperationFactory(name, OperationFactoryType.KEY_SET)
);
Set keySet = new HashSet();
for (Object result : results.values()) {
if (result == null) {
continue;
}
MultiMapResponse response = nodeEngine.toObject(result);
if (response.getCollection() != null) {
keySet.addAll(response.getCollection());
}
}
return keySet;
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
protected Map valuesInternal() {
final NodeEngine nodeEngine = getNodeEngine();
try {
Map results = nodeEngine.getOperationService()
.invokeOnAllPartitions(
MultiMapService.SERVICE_NAME,
new MultiMapOperationFactory(name, OperationFactoryType.VALUES)
);
return results;
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
protected Map entrySetInternal() {
final NodeEngine nodeEngine = getNodeEngine();
try {
Map results = nodeEngine.getOperationService()
.invokeOnAllPartitions(
MultiMapService.SERVICE_NAME,
new MultiMapOperationFactory(name, OperationFactoryType.ENTRY_SET)
);
return results;
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
protected boolean containsInternal(Data key, Data value) {
final NodeEngine nodeEngine = getNodeEngine();
try {
Map results = nodeEngine.getOperationService()
.invokeOnAllPartitions(
MultiMapService.SERVICE_NAME,
new MultiMapOperationFactory(name, OperationFactoryType.CONTAINS,
key, value, ThreadUtil.getThreadId())
);
for (Object obj : results.values()) {
if (obj == null) {
continue;
}
Boolean result = nodeEngine.toObject(obj);
if (result) {
return true;
}
}
return false;
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
public int size() {
final NodeEngine nodeEngine = getNodeEngine();
try {
Map results = nodeEngine.getOperationService()
.invokeOnAllPartitions(
MultiMapService.SERVICE_NAME,
new MultiMapOperationFactory(name, OperationFactoryType.SIZE)
);
int size = 0;
for (Object obj : results.values()) {
if (obj == null) {
continue;
}
Integer result = nodeEngine.toObject(obj);
size += result;
}
return size;
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
public void clear() {
final NodeEngine nodeEngine = getNodeEngine();
try {
final Map resultMap
= nodeEngine.getOperationService().invokeOnAllPartitions(
MultiMapService.SERVICE_NAME,
new MultiMapOperationFactory(name, OperationFactoryType.CLEAR)
);
int numberOfAffectedEntries = 0;
for (Object o : resultMap.values()) {
numberOfAffectedEntries += (Integer) o;
}
publishMultiMapEvent(numberOfAffectedEntries, EntryEventType.CLEAR_ALL);
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
private void publishMultiMapEvent(int numberOfAffectedEntries, EntryEventType eventType) {
getService().publishMultiMapEvent(name, eventType, numberOfAffectedEntries);
}
protected Integer countInternal(Data dataKey) {
try {
CountOperation operation = new CountOperation(name, dataKey);
operation.setThreadId(ThreadUtil.getThreadId());
return invoke(operation, dataKey);
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
@Override
public String getServiceName() {
return MultiMapService.SERVICE_NAME;
}
private T invoke(Operation operation, Data dataKey) {
final NodeEngine nodeEngine = getNodeEngine();
try {
int partitionId = nodeEngine.getPartitionService().getPartitionId(dataKey);
Future f;
Object o;
if (config.isStatisticsEnabled()) {
long time = System.currentTimeMillis();
f = nodeEngine.getOperationService()
.invokeOnPartition(MultiMapService.SERVICE_NAME, operation, partitionId);
o = f.get();
if (operation instanceof PutOperation) {
//TODO @ali should we remove statics from operations ?
getService().getLocalMultiMapStatsImpl(name).incrementPuts(System.currentTimeMillis() - time);
} else if (operation instanceof RemoveOperation || operation instanceof RemoveAllOperation) {
getService().getLocalMultiMapStatsImpl(name).incrementRemoves(System.currentTimeMillis() - time);
} else if (operation instanceof GetAllOperation) {
getService().getLocalMultiMapStatsImpl(name).incrementGets(System.currentTimeMillis() - time);
}
} else {
f = nodeEngine.getOperationService()
.invokeOnPartition(MultiMapService.SERVICE_NAME, operation, partitionId);
o = f.get();
}
return nodeEngine.toObject(o);
} catch (Throwable throwable) {
throw ExceptionUtil.rethrow(throwable);
}
}
private long getThreadId() {
return ThreadUtil.getThreadId();
}
@Override
public String toString() {
return "MultiMap{name=" + name + '}';
}
}
