IDeltaType.hpp

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/*
 * Copyright 2014 CyberVision, Inc.
 *
 * 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.
 */

#ifndef IDELTATYPE_HPP_
#define IDELTATYPE_HPP_

#include <list>

#include <boost/any.hpp>

#include "kaa/configuration/delta/DeltaHandlerId.hpp"

namespace kaa {

class IDeltaType;
typedef boost::shared_ptr<IDeltaType> DeltaTypePtr;

class IDeltaType {
public:
    typedef boost::any                  DeltaValue;
    typedef std::list<DeltaValue>       AddedItems;
    typedef std::list<DeltaHandlerId>   RemovedItems;

    virtual bool isDefault() = 0;

    virtual bool isReset() = 0;

    virtual const DeltaValue& getNewValue() = 0;

    virtual const RemovedItems& getRemovedItems() = 0;

    virtual const AddedItems& getAddedItems() = 0;

    virtual std::string toString() const = 0;

    virtual ~IDeltaType() {}
};

} /* namespace kaa */

#endif /* IDELTATYPE_HPP_ */