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/**
* \file
* \brief BoundQueueFunctor class header
*
* \author Copyright (C) 2015 Kamil Szczygiel http://www.distortec.com http://www.freddiechopin.info
*
* \par License
* This Source Code Form is subject to the terms of the Mozilla Public License, v. 2.0. If a copy of the MPL was not
* distributed with this file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
#ifndef INCLUDE_DISTORTOS_INTERNAL_SYNCHRONIZATION_BOUNDQUEUEFUNCTOR_HPP_
#define INCLUDE_DISTORTOS_INTERNAL_SYNCHRONIZATION_BOUNDQUEUEFUNCTOR_HPP_
#include "distortos/internal/synchronization/QueueFunctor.hpp"
#include <utility>
namespace distortos
{
namespace internal
{
/**
* \brief BoundQueueFunctor is a type-erased QueueFunctor which calls its bound functor to execute actions on queue's
* storage
*
* \tparam F is the type of bound functor, it will be called with <em>void*</em> as only argument
*/
template<typename F>
class BoundQueueFunctor : public QueueFunctor
{
public:
/**
* \brief BoundQueueFunctor's constructor
*
* \param [in] boundFunctor is a rvalue reference to bound functor which will be used to move-construct internal
* bound functor
*/
constexpr explicit BoundQueueFunctor(F&& boundFunctor) :
boundFunctor_{std::move(boundFunctor)}
{
}
/**
* \brief Calls the bound functor which will execute some action on queue's storage (like copy-constructing,
* swapping, destroying, emplacing, ...)
*
* \param [in,out] storage is a pointer to storage with/for element
*/
void operator()(void* const storage) const override
{
boundFunctor_(storage);
}
private:
/// bound functor
F boundFunctor_;
};
/**
* \brief Helper factory function to make BoundQueueFunctor object with deduced template arguments
*
* \tparam F is the type of bound functor, it will be called with <em>void*</em> as only argument
*
* \param [in] boundFunctor is a rvalue reference to bound functor which will be used to move-construct internal bound
* functor
*
* \return BoundQueueFunctor object with deduced template arguments
*/
template<typename F>
constexpr BoundQueueFunctor<F> makeBoundQueueFunctor(F&& boundFunctor)
{
return BoundQueueFunctor<F>{std::move(boundFunctor)};
}
} // namespace internal
} // namespace distortos
#endif // INCLUDE_DISTORTOS_INTERNAL_SYNCHRONIZATION_BOUNDQUEUEFUNCTOR_HPP_
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