/*
 * IValueAsync.hpp
 *
 *  Created on: 6 дек. 2019 г.
 *      Author: titov
 */

#ifndef SOURCE_SYSTEMIC_IVALUEASYNC_HPP_
#define SOURCE_SYSTEMIC_IVALUEASYNC_HPP_

namespace systemic {

//!Интерфейс установки значения.
template<typename T>
struct IValueTypeSet {

    typedef T TypeInput;

    virtual void set( T ) = 0;
//    virtual ~IValueTypeSet() = default;
};

template<typename T>
struct IValueTypeGet {
    typedef T TypeOutput;

    virtual T get() const = 0;

//    virtual ~IValueTypeGet() = default;

};

template<typename T>
struct IValueTypeOutput {
    typedef T TypeSet;
    typedef IValueTypeSet<TypeSet> SetInterface;

    virtual void set_output( SetInterface * ) = 0;
//    virtual ~IValueTypeOutput() = default;
};

template<typename ValueType>
struct IValueType : public systemic::IValueTypeSet<ValueType>, public systemic::IValueTypeGet<ValueType> {
    virtual void set( ValueType ) = 0;
    virtual ValueType get() const = 0;

    //virtual ~IValueType() = default;
};

template<typename ValueType>
struct IValueTransform {
    virtual ValueType operator()( ValueType ) = 0;
};

template<typename ValueType>
struct BaseValue : public IValueType<ValueType> {

    void set( ValueType new_value ) { value = new_value; }
    ValueType get() const           { return value;      }

    ValueType & value;

    BaseValue( ValueType & value ) : value(value) {}
};

}

#endif /* SOURCE_SYSTEMIC_IVALUEASYNC_HPP_ */