/*
* Copyright (c) 2008-2013, 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.cache.impl.client;
import com.hazelcast.cache.impl.CacheOperationProvider;
import com.hazelcast.cache.impl.CachePortableHook;
import com.hazelcast.cache.impl.CacheService;
import com.hazelcast.cache.impl.operation.CacheClearOperationFactory;
import com.hazelcast.client.impl.client.RetryableRequest;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.PortableReader;
import com.hazelcast.nio.serialization.PortableWriter;
import com.hazelcast.spi.OperationFactory;
import java.io.IOException;
import java.security.Permission;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
/**
* This client request specifically calls {@link CacheClearOperationFactory} on the server side.
*
* @see com.hazelcast.cache.impl.operation.CacheClearOperationFactory
*/
public class CacheClearRequest
extends AbstractCacheAllPartitionsRequest
implements RetryableRequest {
private Set<Data> keys;
private boolean isRemoveAll;
private int completionId;
public CacheClearRequest() {
}
public CacheClearRequest(String name, Set<Data> keys, boolean isRemoveAll, int completionId) {
super(name);
this.keys = keys;
this.isRemoveAll = isRemoveAll;
this.completionId = completionId;
}
public String getServiceName() {
return CacheService.SERVICE_NAME;
}
@Override
public int getFactoryId() {
return CachePortableHook.F_ID;
}
public int getClassId() {
return CachePortableHook.CLEAR;
}
public void write(PortableWriter writer)
throws IOException {
super.write(writer);
writer.writeInt("c", completionId);
writer.writeBoolean("r", isRemoveAll);
writer.writeBoolean("k", keys != null);
if (keys != null) {
if (!keys.isEmpty()) {
ObjectDataOutput output = writer.getRawDataOutput();
output.writeInt(keys.size());
for (Data key : keys) {
output.writeData(key);
}
}
}
}
public void read(PortableReader reader)
throws IOException {
super.read(reader);
completionId = reader.readInt("c");
isRemoveAll = reader.readBoolean("r");
final boolean isKeysNotNull = reader.readBoolean("k");
if (isKeysNotNull) {
ObjectDataInput input = reader.getRawDataInput();
final int size = input.readInt();
keys = new HashSet<Data>(size);
if (size > 0) {
for (int i = 0; i < size; i++) {
Data key = input.readData();
keys.add(key);
}
}
}
}
@Override
protected OperationFactory createOperationFactory() {
CacheOperationProvider operationProvider = getOperationProvider();
if (isRemoveAll) {
return operationProvider.createRemoveAllOperationFactory(keys, completionId);
}
return operationProvider.createClearOperationFactory(completionId);
}
@Override
protected Object reduce(Map<Integer, Object> map) {
return map;
}
@Override
public Permission getRequiredPermission() {
return null;
}
}