/*
 * ValueSetAction.hpp
 *
 *  Created on: 6 èþë. 2020 ã.
 *      Author: LeonidTitov
 */

#ifndef UMLIBRARY_SCHEMATIC_ACTION_VALUESETACTION_HPP_
#define UMLIBRARY_SCHEMATIC_ACTION_VALUESETACTION_HPP_

#include "../../systemic/IFunctor.hh"
#include "../../systemic/IValueAsync.hpp"

namespace schematic { namespace functor {

template<typename ValueType>
class ValueSetAction : public systemic::IValueType<ValueType> {

    typedef systemic::IValueType<ValueType> Value;
    typedef systemic::IFunctor<void> Action;

    Value & value;
    Action & action;

public:
    enum ActionSequence {
        Before,
        After
    };

    const ActionSequence sequence;

    void set( ValueType );
    ValueType get() const;

    ValueSetAction( Value & value, Action & action, ActionSequence sequence ) : value(value), action(action), sequence(sequence) {}

};

}}

template<typename ValueType>
inline void schematic::functor::ValueSetAction<ValueType>::set( ValueType new_value ) {

    if( sequence == Before )
        action();

    value.set(new_value);

    if( sequence == After )
        action();

}

template<typename ValueType>
inline ValueType schematic::functor::ValueSetAction<ValueType>::get() const {

    return value.get();

}


#endif /* UMLIBRARY_SCHEMATIC_ACTION_VALUESETACTION_HPP_ */