com.hazelcast.map.impl.operation.PutFromLoadAllOperation Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2020, 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.impl.operation;
import com.hazelcast.internal.nio.IOUtil;
import com.hazelcast.map.IMap;
import com.hazelcast.map.impl.MapDataSerializerHook;
import com.hazelcast.map.impl.record.Record;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.internal.serialization.Data;
import com.hazelcast.spi.impl.operationservice.BackupAwareOperation;
import com.hazelcast.spi.impl.operationservice.MutatingOperation;
import com.hazelcast.spi.impl.operationservice.Operation;
import com.hazelcast.spi.impl.operationservice.PartitionAwareOperation;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import static com.hazelcast.internal.util.CollectionUtil.isEmpty;
import static com.hazelcast.internal.util.Preconditions.checkFalse;
import static com.hazelcast.internal.util.Preconditions.checkNotNull;
/**
* Puts records to map which are loaded from map store by {@link IMap#loadAll}
*/
public class PutFromLoadAllOperation extends MapOperation
implements PartitionAwareOperation, MutatingOperation, BackupAwareOperation {
private List loadingSequence;
private List invalidationKeys;
private boolean includesExpirationTime;
public PutFromLoadAllOperation() {
loadingSequence = Collections.emptyList();
includesExpirationTime = false;
}
public PutFromLoadAllOperation(String name, List loadingSequence, boolean includesExpirationTime) {
super(name);
checkFalse(isEmpty(loadingSequence), "key-value sequence cannot be empty or null");
this.loadingSequence = loadingSequence;
this.includesExpirationTime = includesExpirationTime;
}
@Override
protected void runInternal() {
boolean hasInterceptor = !mapContainer.getInterceptorRegistry()
.getInterceptors().isEmpty();
List loadingSequence = this.loadingSequence;
for (int i = 0; i < loadingSequence.size(); ) {
Data key = loadingSequence.get(i++);
Data dataValue = loadingSequence.get(i++);
checkNotNull(key, "Key loaded by a MapLoader cannot be null.");
// here object conversion is for interceptors.
Object value = hasInterceptor ? mapServiceContext.toObject(dataValue) : dataValue;
if (includesExpirationTime) {
long expirationTime = (long) mapServiceContext.toObject(loadingSequence.get(i++));
recordStore.putFromLoad(key, value, expirationTime, getCallerAddress());
} else {
recordStore.putFromLoad(key, value, getCallerAddress());
}
// the following check is for the case when the putFromLoad does not put
// the data due to various reasons one of the reasons may be size
// eviction threshold has been reached
if (value != null && !recordStore.existInMemory(key)) {
continue;
}
// do not run interceptors in case the put was skipped due to null value
if (value != null) {
callAfterPutInterceptors(value);
}
if (isPostProcessing(recordStore)) {
Record record = recordStore.getRecord(key);
checkNotNull(record, "Value loaded by a MapLoader cannot be null.");
value = record.getValue();
}
publishLoadAsWanUpdate(key, value);
addInvalidation(key);
}
}
private void addInvalidation(Data key) {
if (!mapContainer.hasInvalidationListener()) {
return;
}
if (invalidationKeys == null) {
if (includesExpirationTime) {
invalidationKeys = new ArrayList<>(loadingSequence.size() / 3);
} else {
invalidationKeys = new ArrayList<>(loadingSequence.size() / 2);
}
}
invalidationKeys.add(key);
}
private void callAfterPutInterceptors(Object value) {
mapService.getMapServiceContext()
.interceptAfterPut(mapContainer.getInterceptorRegistry(), value);
}
@Override
protected void afterRunInternal() {
invalidateNearCache(invalidationKeys);
evict(null);
super.afterRunInternal();
}
@Override
public Object getResponse() {
return true;
}
@Override
public boolean shouldBackup() {
return !loadingSequence.isEmpty();
}
@Override
public final int getAsyncBackupCount() {
return mapContainer.getAsyncBackupCount();
}
@Override
public final int getSyncBackupCount() {
return mapContainer.getBackupCount();
}
@Override
public Operation getBackupOperation() {
return new PutFromLoadAllBackupOperation(name, loadingSequence, includesExpirationTime);
}
@Override
protected void writeInternal(ObjectDataOutput out) throws IOException {
super.writeInternal(out);
out.writeBoolean(includesExpirationTime);
final List keyValueSequence = this.loadingSequence;
final int size = keyValueSequence.size();
out.writeInt(size);
for (Data data : keyValueSequence) {
IOUtil.writeData(out, data);
}
}
@Override
protected void readInternal(ObjectDataInput in) throws IOException {
super.readInternal(in);
this.includesExpirationTime = in.readBoolean();
final int size = in.readInt();
if (size < 1) {
loadingSequence = Collections.emptyList();
} else {
final List tmpKeyValueSequence = new ArrayList<>(size);
for (int i = 0; i < size; i++) {
final Data data = IOUtil.readData(in);
tmpKeyValueSequence.add(data);
}
loadingSequence = tmpKeyValueSequence;
}
}
@Override
public int getClassId() {
return MapDataSerializerHook.PUT_FROM_LOAD_ALL;
}
}