vmware-gemfire-native-client-c++-api-reference/10.4/a00116_source.html

/*

 * Licensed to the Apache Software Foundation (ASF) under one or more

 * contributor license agreements.  See the NOTICE file distributed with

 * this work for additional information regarding copyright ownership.

 * The ASF licenses this file to You 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.

 */


#pragma once


#ifndef GEODE_DELTA_H_

#define GEODE_DELTA_H_


#include <memory>


#include "internal/geode_globals.hpp"


namespace apache {

namespace geode {

namespace client {


class DataInput;

class DataOutput;


class APACHE_GEODE_EXPORT Delta {

 public:

  virtual bool hasDelta() const = 0;


  virtual void toDelta(DataOutput& out) const = 0;


  virtual void fromDelta(DataInput& in) = 0;


  virtual std::shared_ptr<Delta> clone() const = 0;


  virtual ~Delta() = default;


 protected:

  Delta() = default;

};

}  // namespace client

}  // namespace geode

}  // namespace apache


#endif  // GEODE_DELTA_H_

apache::geode::client::DataInput
Provide operations for reading primitive data values, byte arrays, strings, Serializable objects from...
Definition DataInput.hpp:59

apache::geode::client::DataOutput
Provide operations for writing primitive data values, byte arrays, strings, Serializable objects to a...
Definition DataOutput.hpp:48

apache::geode::client::Delta
This interface is used for delta propagation.
Definition Delta.hpp:50

apache::geode::client::Delta::fromDelta
virtual void fromDelta(DataInput &in)=0
Reads in delta information to this object in a user-defined format.

apache::geode::client::Delta::clone
virtual std::shared_ptr< Delta > clone() const =0
Creates a copy of the object on which delta is to be applied via notification.

apache::geode::client::Delta::hasDelta
virtual bool hasDelta() const =0
hasDelta( ) is invoked by Geode during Region::put( std::shared_ptr<CacheableKey>,...

apache::geode::client::Delta::toDelta
virtual void toDelta(DataOutput &out) const =0
Writes out delta information to out in a user-defined format.