/*
* 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.cache.impl.operation;
import com.hazelcast.cache.impl.CacheDataSerializerHook;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.Data;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import com.hazelcast.spi.Operation;
import com.hazelcast.spi.OperationFactory;
import java.io.IOException;
import java.util.HashSet;
import java.util.Set;
/**
* {@link com.hazelcast.spi.OperationFactory} implementation for RemoveAll Operations.
* <p>RemoveAll operation has two main purposes;
* <ul>
* <li>Remove all internal data
* <li>Remove the entries of the provided keys.</li>
* </ul></p>
*
* @see com.hazelcast.spi.OperationFactory
*/
public class CacheRemoveAllOperationFactory implements OperationFactory, IdentifiedDataSerializable {
private String name;
private Set<Data> keys;
private int completionId;
public CacheRemoveAllOperationFactory() {
}
public CacheRemoveAllOperationFactory(String name, Set<Data> keys, int completionId) {
this.name = name;
this.keys = keys;
this.completionId = completionId;
}
@Override
public Operation createOperation() {
return new CacheRemoveAllOperation(name, keys, completionId);
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeUTF(name);
out.writeInt(completionId);
out.writeInt(keys == null ? -1 : keys.size());
if (keys != null) {
for (Data key : keys) {
out.writeData(key);
}
}
}
@Override
public void readData(ObjectDataInput in) throws IOException {
name = in.readUTF();
completionId = in.readInt();
int size = in.readInt();
if (size == -1) {
return;
}
keys = new HashSet<Data>(size);
for (int i = 0; i < size; i++) {
keys.add(in.readData());
}
}
@Override
public int getFactoryId() {
return CacheDataSerializerHook.F_ID;
}
@Override
public int getId() {
return CacheDataSerializerHook.REMOVE_ALL_FACTORY;
}
}