/*
 * StatusLazyFast.hpp
 *
 *  Created on: 29 нояб. 2018 г.
 *      Author: titov
 */

#ifndef SOURCE_SYSTEMIC_STATUSLAZYFAST_HPP_
#define SOURCE_SYSTEMIC_STATUSLAZYFAST_HPP_

#include "IStatus.hh"
#include "IStatusOverride.hh"

namespace systemic { namespace detail {

template<typename T, bool (T::* pf)() const>
class StatusLazyFast : public IStatus {
private:
    const T & object;

public:
    StatusLazyFast( const T & obj );
    operator bool() const final;

    StatusLazyFast(const StatusLazyFast &) = delete;
    StatusLazyFast & operator=(const StatusLazyFast &) = delete;

};

}
}

template<typename T, bool (T::* pf)() const>
inline systemic::detail::StatusLazyFast<T, pf>::StatusLazyFast( const T & obj ) :
        object(obj) {}

template<typename T, bool (T::* pf)() const>
inline systemic::detail::StatusLazyFast<T, pf>::operator bool() const {

    return (object.*pf)();

}

#endif /* SOURCE_SYSTEMIC_STATUSLAZYFAST_HPP_ */