DeluxeAgent.hpp
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DeluxeAgent.hpp
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	//===-- rosa/deluxe/DeluxeAgent.hpp ------------------------------ C++ --===//
	//
	// The RoSA Framework
	//
	//===----------------------------------------------------------------------===//
	///
	/// \file rosa/deluxe/DeluxeAgent.hpp
	///
	/// \author David Juhasz (david.juhasz@tuwien.ac.at)
	///
	/// \date 2017-2019
	///
	/// \brief Specialization of \c rosa::Agent for agent role of the *deluxe
	/// interface*.
	///
	/// \see \c rosa::deluxe::DeluxeContext
	///
	//===----------------------------------------------------------------------===//

	#ifndef ROSA_DELUXE_DELUXEAGENT_HPP
	#define ROSA_DELUXE_DELUXEAGENT_HPP

	#include "rosa/core/Agent.hpp"

	#include "rosa/deluxe/DeluxeAtoms.hpp"

	#include <map>

	/// Local helper macros to deal with built-in types.
	///
	///@{

	/// Creates function name for member functions in \c rosa::deluxe::DeluxeAgent.
	///
	/// \param N name suffix to use
	#define DAHANDLERNAME(N) handleSlave_##N

	/// Defines member functions for handling messages from slaves in
	/// \c rosa::deluxe::DeluxeAgent.
	///
	/// \see \c DeluxeAgentInputHandlers
	///
	/// \note No pre- and post-conditions are validated directly by these functions,
	/// they rather rely on \c rosa::deluxe::DeluxeAgent::saveInput to do that.
	///
	/// \param T the type of input to handle
	/// \param N name suffix for the function identifier
	#define DAHANDLERDEFN(T, N) \
	void DAHANDLERNAME(N)(atoms::Slave, id_t SlaveId, T Value) noexcept { \
	saveInput(SlaveId, Value); \
	}

	/// Convenience macro for \c DAHANDLERDEFN with identical arguments.
	///
	/// \see \c DAHANDLERDEFN
	///
	/// This macro can be used instead of \c DAHANDLERDEFN if the actual value of
	/// \p T can be used as a part of a valid identifier.
	///
	/// \param T the type of input to handle
	#define DAHANDLERDEF(T) DAHANDLERDEFN(T, T)

	/// Results in a \c THISMEMBER reference to a member function defined by
	/// \c DAHANDLERDEFN.
	///
	/// Used in the constructor of \c rosa::deluxe::DeluxeAgent to initialize super
	/// class \c rosa::Agent with member function defined by \c DAHANDLERDEFN.
	///
	/// \see \c DAHANDLERDEFN, \c THISMEMBER
	///
	/// \param N name suffix for the function identifier
	#define DAHANDLERREF(N) THISMEMBER(DAHANDLERNAME(N))

	///@}

	namespace rosa {
	namespace deluxe {

	/// Specialization of \c rosa::Agent for agent role of the deluxe interface.
	///
	/// \see \c rosa::deluxe::DeluxeContext
	///
	/// \invariant All input-related container objects have a size matching
	/// \c rosa::deluxe::DeluxeAgent::NumberOfInputs, thus having a corresponding
	/// entry for each input. Types of input values are consistent throughout all
	/// the input-related containers. No slave is registered at more than one
	/// input position. Slave registrations and corresponding reverse lookup
	/// information are consistent.
	///
	/// \see Definition of \c rosa::deluxe::DeluxeAgent::inv on the class invariant
	///
	/// \note All member functions validate the class invariant as part of their
	/// precondition. Moreover, non-const functions validate the invariant before
	/// return as their postcondition.
	class DeluxeAgent : public Agent {
	/// Checks whether \p this object holds the class invariant.
	///
	/// \see Invariant of the class \c rosa::deluxe::DeluxeAgent
	///
	/// \return if \p this object holds the class invariant
	bool inv(void) const noexcept;

	public:
	/// Template alias for function objects used to process input and generate
	/// output for \c rosa::deluxe::DeluxeAgent.
	///
	/// The output generated by the function is optional as an agent may decide
	/// not to output anything at some situation.
	///
	/// \note The function used for \c D is to be \c noexcept.
	///
	/// \tparam T type of output
	/// \tparam As types of input values
	template <typename T, typename... As>
	using D = std::function<Optional<T>(std::pair<As, bool>...)>;

	/// The type of values produced by \p this object.
	///
	/// That is the type of values \p this object sends to its master.
	///
	/// \see \c rosa::deluxe::DeluxeAgent::master
	const TypeNumber OutputType;

	/// Number of inputs processed by \p this object.
	const size_t NumberOfInputs;

	private:

	/// Types of input values produced by slaves of \p this object.
	///
	/// \note The \c rosa::TypeNumber values stored here match the corresponding
	/// values in \c rosa::deluxe::DeluxeAgent::InputValues.
	///
	/// \note The position of a type in the \c std::vector indicates which
	/// argument of \p this object's processing function it belongs to. See also
	/// \c rosa::deluxe::DeluxeAgent::D.
	const std::vector<TypeNumber> InputTypes;

	/// Indicates whether any particular input value has been changed since the
	/// last trigger received from the system.
	///
	/// All the flags are reset to \c false upon handling a trigger and then set
	/// to \c true by \c rosa::deluxe::DeluxeAgent::saveInput when storing a new
	/// input value in \c rosa::deluxe::DeluxeAgent::InputValues.
	///
	/// \note The position of a flag in the \c std::vector indicates which
	/// argument of \p this object's processing function it belongs to. See also
	/// \c rosa::deluxe::DeluxeAgent::D.
	std::vector<bool> InputChanged;

	/// Stores the actual input values.
	///
	/// \note The types of stored values match the corresponding
	/// \c rosa::TypeNumber values in \c rosa::deluxe::DeluxeAgent::InputTypes.
	///
	/// \note The position of a value in the \c rosa::AbstractTokenizedStorage
	/// indicates which argument of \p this object's processing function it is.
	/// See also \c rosa::deluxe::DeluxeAgent::D.
	const std::unique_ptr<AbstractTokenizedStorage> InputValues;

	/// Alias for function objects used as trigger handler for
	/// \c rosa::deluxe::DeluxeAgent.
	///
	/// \note The function used for \c H is to be \c noexcept.
	///
	/// \see \c rosa::deluxe::DeluxeAgent::FP
	using H = std::function<void(void)>;

	/// Handles trigger from the system.
	///
	/// The actual function processing slave inputs and generating optional
	/// output to master is captured in a lambda expression that is in turn
	/// wrapped in a \c std::function object. The lambda expression calls the
	/// processing function with the actual input data and sends its result -- if
	/// any -- to master by calling \c rosa::deluxe::DeluxeAgent::sendToMaster.
	/// Also, all the flags stored in \c rose::deluxe::DeluxeAgent::InputChanged
	/// are reset when the current input values are processed. The function
	/// \c rosa::deluxe::DeluxeAgent::handleTrigger needs only to call the
	/// function object.
	///
	/// \see \c rosa::deluxe::DeluxeAgent::triggerHandlerFromProcessingFunction
	const H FP;

	/// The master to send values to.
	///
	/// \note Masters are set dynamically, hence it is possible that a
	/// \c rosa::deluxe::DeluxeAgent instance does not have any master at a
	/// given moment.
	Optional<AgentHandle> Master;

	/// The slaves sending input to \p this object.
	///
	/// \note The position of a slave in the \c std::vector indicates which
	/// argument of \p this object's processing function it belongs to. See also
	/// \c rosa::deluxe::DeluxeAgent::D.
	///
	/// \note Slaves are set dynamically, hence it is possible that a
	/// \c rosa::deluxe::DeluxeAgent instance does have input positions without
	/// any slave associated to them.
	///
	/// \note Reverse lookup information is maintained in
	/// \c rosa::deluxe::DeluxeAgent::SlaveIds, which is to be kept in sync with
	/// the slaves stored here.
	std::vector<Optional<AgentHandle>> Slaves;

	/// Associates \c rosa::id_t values to corresponding indices of registered
	/// slaves.
	///
	/// \see \c rosa::deluxe::DeluxeAgent::Slaves
	std::map<id_t, size_t> SlaveIds;

	/// Tells whether types \p As... match the input types of \p this object.
	///
	/// \tparam As types to match against values in
	/// \c rosa::deluxe::DeluxeAgent::InputTypes
	///
	/// \return if types \p As... match \c rosa::TypeNumber values stored in
	/// \c rosa::deluxe::DeluxeAgent::InputTypes
	template <typename... As> bool inputTypesMatch(void) const noexcept;

	/// Gives an \c std::tuple containing the current input values and their
	/// change flags so that they can be used for the processing function.
	///
	/// \tparam As types of the input values
	/// \tparam S0 indices for accessing input values and their change flags
	///
	/// \note The only argument provides indices statically as template arguments
	/// \p S0..., so its actual value is ignored.
	///
	/// \return current input values and their change flags prepared for invoking
	/// the processing function with them
	///
	/// \pre The type arguments \p As... match the input types of \p this object
	/// and the provided indices \p S0... constitute a proper sequence for
	/// accessing input values and their change flags: \code
	/// inputTypesMatch<As...>() && sizeof...(As) == sizeof...(S0)
	/// \endcode
	template <typename... As, size_t... S0>
	std::tuple<std::pair<As, bool>...> prepareCurrentInputs(Seq<S0...>) const
	noexcept;

	/// Invokes a processing function matching the output and input types of
	/// \p this object with actual arguments provided in a \c std::tuple.
	///
	/// \note \p Args providing the actual arguments for \p F is to be created by
	/// \c rosa::deluxe::DeluxeAgent::prepareCurrentInputs.
	///
	/// \tparam T output type of the processing function
	/// \tparam As types of inputs for the processing function
	/// \tparam S0 indices starting with `0` for extracting actual arguments from
	/// \p Args
	///
	/// \param F the processing function to invoke
	/// \param Args the actual arguments to invoke \p F with
	///
	/// \note The last argument provides indices statically as template arguments
	/// \p S0..., so its actual value is ignored.
	///
	/// \return the result of \p F for actual arguments \p Args
	///
	/// \pre The provided sequence of indices \p S0... constitutes a proper
	/// sequence for extracting all actual arguments for
	/// \p F from \p Args: \code
	/// sizeof...(As) == sizeof...(S0)
	/// \endcode
	template <typename T, typename... As, size_t... S0>
	static Optional<T> invokeWithTuple(D<T, As...> F,
	std::tuple<std::pair<As, bool>...> Args,
	Seq<S0...>) noexcept;

	/// Wraps a processing function into a trigger handler.
	///
	/// \see \c rosa::deluxe::DeluxeAgent::FP
	///
	/// \note The function cannot be const qualified because the lambda
	/// expression defined in it needs to capture \p this object by a non-const
	/// reference
	///
	/// \tparam T type of output
	/// \tparam As types of input values
	///
	/// \param F function processing inputs and generating output
	///
	/// \pre Template arguments \p T and \p As... match the corresponding
	/// types \p this object was created with: \code
	/// OutputType == TypeNumberOf<T>::Value && inputTypesMatch<As...>()
	/// \endcode
	template <typename T, typename... As>
	H triggerHandlerFromProcessingFunction(D<T, As...> &&F) noexcept;

	public:
	/// Creates a new instance.
	///
	/// The constructor instantiates the base-class with functions to handle
	/// messages as defined for the deluxe interface.
	///
	/// \todo Enforce F does not potentially throw exception.
	///
	/// \tparam T type of output of \p F
	/// \tparam As types of input values of \p F
	///
	/// \note Instantiation fails if any of the type arguments \p T and \p As...
	/// is not a built-in type.
	///
	/// \param Kind kind of the new \c rosa::Unit instance
	/// \param Id unique identifier of the new \c rosa::Unit instance
	/// \param Name name of the new \c rosa::Unit instance
	/// \param S \c rosa::MessagingSystem owning the new instance
	/// \param F function to process input values and generate output with
	///
	/// \pre Statically, all of the type arguments \p T and \p As... is a
	/// built-in type: \code
	/// TypeListSubsetOf<TypeList<T, As...>, BuiltinTypes>::Value
	/// \endcode Dynamically, the instance is created as of kind
	/// \c rosa::deluxe::atoms::AgentKind: \code
	/// Kind == rosa::deluxe::atoms::AgentKind
	/// \endcode
	template <typename T, typename... As,
	typename = std::enable_if_t<
	TypeListSubsetOf<TypeList<T, As...>, BuiltinTypes>::Value>>
	DeluxeAgent(const AtomValue Kind, const id_t Id, const std::string &Name,
	MessagingSystem &S, D<T, As...> &&F) noexcept;

	/// Destroys \p this object.
	~DeluxeAgent(void) noexcept;

	/// The master of \p this object, if any is registered.
	///
	/// \see \c rosa::deluxe::DeluxeAgent::registerMaster
	///
	/// \return the master registered for \p this object
	Optional<AgentHandle> master(void) const noexcept;

	/// Registers a master for \p this object.
	///
	/// The new master is registered by overwriting the reference to any
	/// already registered master. One can clear the registered reference by
	/// passing an empty \c rosa::Optional object as actual argument.
	///
	/// \note The role of the referred master is validated by checking its
	/// kind.
	///
	/// \param _Master the master to register
	///
	/// \pre \p _Master is empty or of kind \c rosa::deluxe::atoms::AgentKind:
	/// \code
	/// !_Master \|\| unwrapAgent(*_Master).Kind == rosa::deluxe::atoms::AgentKind
	/// \endcode
	void registerMaster(const Optional<AgentHandle> _Master) noexcept;

	/// Tells the type of values consumed from the slave at a position.
	///
	/// That is the type of values \p this object expect to be sent to it by its
	/// slave registered at position \p Pos.
	///
	/// \see \c rosa::deluxe::DeluxeAgent::slave
	///
	/// \param Pos position of slave
	///
	/// \return \c rosa::TypeNumber representing the type of values consumed from
	/// the slave at position \p Pos
	///
	/// \pre \p Pos is a valid index of input: \code
	/// Pos < NumberOfInputs
	/// \endcode
	TypeNumber inputType(const size_t Pos) const noexcept;

	/// The slave of \p this object registered at a position, if any.
	///
	/// \see \c rosa::deluxe::DeluxeAgent::registerSlave
	///
	/// \param Pos position of slave
	///
	/// \return the slave registered for \p this object at position \p Pos
	///
	/// \pre \p Pos is a valid index of input: \code
	/// Pos < NumberOfInputs
	/// \endcode
	Optional<AgentHandle> slave(const size_t Pos) const noexcept;

	/// Registers a slave for \p this object at a position.
	///
	/// The new slave is registered by overwriting the reference to any already
	/// registered slave at position \p Pos. One can clear the registered
	/// reference by passing an empty \c rosa::Optional object as actual
	/// argument. If \p Slave is already registered for another position, the
	/// other position gets cleared.
	///
	/// \note The role of the referred slave is validated by checking its
	/// kind.
	///
	/// \note The type of values produced by the referred slave is validated by
	/// matching its `OutputType` against the corresponding value in
	/// \c rosa::deluxe::DeluxeAgent::InputTypes.
	///
	/// \param Pos position to register \p Slave at
	/// \param Slave the slave to register
	///
	/// \pre \p Pos is a valid index of input, \p Slave is empty or of kind
	/// \c rosa::deluxe::atoms::AgentKind or \c rosa::deluxe::atoms::SensorKind,
	/// and \p Slave -- if not empty -- produces values of types matching the
	/// expected input type at position \p Pos:
	/// \code
	/// Pos < NumberOfInputs &&
	/// (!Slave \|\|
	/// (unwrapAgent(*Slave.)Kind == rosa::deluxe::atoms::SensorKind &&
	/// static_cast<const DeluxeSensor &>(unwrapAgent(*Slave)).OutputType ==
	/// InputTypes[Pos]) \|\|
	/// (unwrapAgent(*Slave).Kind == rosa::deluxe::atoms::AgentKind &&
	/// static_cast<const DeluxeAgent &>(unwrapAgent(*Slave)).OutputType ==
	/// InputTypes[Pos]))
	/// \endcode
	void registerSlave(const size_t Pos,
	const Optional<AgentHandle> Slave) noexcept;

	/// Tells the position of a registered slave.
	///
	/// \param Slave \c rosa::AgentHandle for the slave to check
	///
	/// \return position of \p Slave if it is registered and found,
	/// \c rosa::deluxe::DeluxeAgent::NumberOfInputs otherwise.
	size_t positionOfSlave(AgentHandle Slave) const noexcept;

	private:
	/// Sends a value to the master of \p this object.
	///
	/// \p Value is getting sent to \c rosa::deluxe::DeluxeAgent::Master if it
	/// contains a valid handle for a \c rosa::deluxe::DeluxeAgent. The function
	/// does nothing otherwise.
	///
	/// \tparam T type of the value to send
	///
	/// \param Value value to send
	///
	/// \pre \p T matches \c rosa::deluxe::DeluxeiAgent::OutputType: \code
	/// OutputType == TypeNumberOf<T>::Value
	/// \endcode
	template <typename T> void sendToMaster(const T &Value) noexcept;

	/// Generates the next output by processing current input values upon trigger
	/// from the system.
	///
	/// Executes \c rosa::deluxe::DeluxeAgent::FP.
	///
	/// \note The only argument is a \c rosa::AtomConstant, hence its actual
	/// value is ignored.
	void handleTrigger(atoms::Trigger) noexcept;

	/// Stores a new input value from a slave.
	///
	/// The function stores \p Value in \c rosa::deluxe::DeluxeAgent::InputValues
	/// at the position associated to \p Id in
	/// \c rosa::deluxe::DeluxeAgent::SlaveIds and also sets the corresponding
	/// flag in \c rosa::deluxe::DeluxeAgent::InputChanged.
	///
	/// \note Utilized by member functions of group \c DeluxeAgentInputHandlers.
	///
	/// \tparam T type of input to store
	///
	/// \param Id unique identifier of slave
	/// \param Value the input value to store
	///
	/// \pre The slave with \p Id is registered and the input from it is
	/// expected to be of type \p T: \code
	/// SlaveIds.find(Id) != SlaveIds.end() &&
	/// InputTypes[SlaveIds.find(Id)->second] == TypeNumberOf<T>::Value
	/// \endcode
	template <typename T> void saveInput(id_t Id, T Value) noexcept;

	/// \defgroup DeluxeAgentInputHandlers Input handlers of rosa::deluxe::DeluxeAgent
	///
	/// Definition of member functions handling messages from slaves with
	/// different types of input
	///
	/// A master generally needs to be prepared to deal with values of any
	/// built-in type. Each type requires a separate message handler, which are
	/// implemented by these functions. The functions instantiate
	/// \c rosa::deluxe::DeluxeAgent::saveInput with the proper template argument
	/// and pass the content of the message on for processing.
	///
	/// \note The member functions in this group are defined by \c DAHANDLERDEF.
	///
	/// \note Keep these definitions in sync with \c rosa::BuiltinTypes.
	///
	///@{

	DAHANDLERDEF(AtomValue)
	DAHANDLERDEF(int16_t)
	DAHANDLERDEF(int32_t)
	DAHANDLERDEF(int64_t)
	DAHANDLERDEF(int8_t)
	DAHANDLERDEFN(long double, long_double)
	DAHANDLERDEFN(std::string, std__string)
	DAHANDLERDEF(uint16_t)
	DAHANDLERDEF(uint32_t)
	DAHANDLERDEF(uint64_t)
	DAHANDLERDEF(uint8_t)
	DAHANDLERDEF(unit_t)
	DAHANDLERDEF(bool)
	DAHANDLERDEF(double)
	DAHANDLERDEF(float)

	/// @}

	};

	/// Anonymous namespace with implementation for
	/// \c rosa::deluxe::DeluxeAgent::inputTypesMatch, consider it private.
	namespace {

	/// Template \c struct whose specializations provide a recursive implementation
	/// for \c rosa::deluxe::DeluxeAgent::inputTypesMatch.
	///
	/// \note Matching a list of types \p As... against a \c std::vector of
	/// \c rosa::TypeNumber values, \c InputTypes, like \code
	/// bool match = InputTypesMatchImpl<As...>::f(InputTypes, 0);
	/// \endcode
	///
	/// \tparam As types to match
	template <typename... As> struct InputTypesMatchImpl;

	/// Template specialization for the general case, when at least one type is to
	/// be matched.
	///
	/// \tparam A first type to match
	/// \tparam As further types to match
	template <typename A, typename... As> struct InputTypesMatchImpl<A, As...> {
	/// Tells whether types \p A, \p As... match \c rosa::TypeNumber values
	/// stored in \p InputTypes starting at position \p Pos.
	///
	/// The function has got a recursive implementation: it matches the first
	/// type \p A against \c rosa::TypeNumber at position \p Pos of \p
	/// InputTypes, then further types \p As.. are matched recursively starting
	/// at position \c (Pos + 1).
	///
	/// \param InputTypes container of \c rosa::TypeNumber values to match
	/// types against
	/// \param Pos position in \p InputTypes to start matching at
	///
	/// \return if types \p A, \p As... match \c rosa::TypeNumber values stored
	/// in \p InputTypes starting at position \p Pos
	static bool f(const std::vector<TypeNumber> &InputTypes,
	size_t Pos) noexcept {
	return Pos < InputTypes.size() &&
	TypeNumberOf<A>::Value == InputTypes[Pos] &&
	InputTypesMatchImpl<As...>::f(InputTypes, Pos + 1);
	}
	};

	/// Template specialization for the terminal case, when no type remains to
	/// check.
	template <> struct InputTypesMatchImpl<> {
	/// Tells whether \p Pos is the number of values stored in \p InputTypes.
	///
	/// In this terminal case, there is no more types to matchi because all the
	/// types are supposed to be already matched successfully. The whole list of
	/// types already matched is a complete match if it covers all values in
	/// \p InputTypes. That is true if \p Pos points exactly to the end of
	/// \p InputTypes.
	///
	/// \param InputTypes container of \c rosa::TypeNumber values to match
	/// types against
	/// \param Pos position in \p InputTypes to start matching at
	///
	/// \return if \p Pos is the number of values stored in \p InputTypes
	static bool f(const std::vector<TypeNumber> &InputTypes,
	size_t Pos) noexcept {
	return Pos == InputTypes.size();
	}
	};

	} // End namespace

	template <typename... As>
	bool DeluxeAgent::inputTypesMatch(void) const noexcept {
	return InputTypesMatchImpl<As...>::f(InputTypes, 0);
	}

	template <typename... As, size_t... S0>
	std::tuple<std::pair<As, bool>...>
	DeluxeAgent::prepareCurrentInputs(Seq<S0...>) const noexcept {
	// Need to indirectly reference \c rosa::deluxe::DeluxeAgent::inputTypesMatch
	// inside \c ASSERT because of the comma in its template argument list.
	auto MFP = &DeluxeAgent::inputTypesMatch<As...>;
	ASSERT(inv() && (this->*MFP)() && sizeof...(As) == sizeof...(S0));

	return std::make_tuple(
	std::make_pair(static_cast<const As >(InputValues->pointerTo(S0)),
	InputChanged[S0])...);
	}

	template <typename T, typename... As, size_t... S0>
	Optional<T> DeluxeAgent::invokeWithTuple(
	D<T, As...> F,
	std::tuple<std::pair<As, bool>...> Args,
	Seq<S0...>) noexcept {
	ASSERT(sizeof...(As) == sizeof...(S0));
	return F(std::get<S0>(Args)...);
	}

	template <typename T, typename... As>
	DeluxeAgent::H
	DeluxeAgent::triggerHandlerFromProcessingFunction(D<T, As...> &&F) noexcept {
	// Need to indirectly reference \c rosa::deluxe::DeluxeAgent::inputTypesMatch
	// inside \c ASSERT because of the comma in its template argument list.
	auto MFP = &DeluxeAgent::inputTypesMatch<As...>;
	ASSERT(OutputType == TypeNumberOf<T>::Value && (this->*MFP)());

	return [ this, F ]() noexcept {
	using Indices = typename GenSeq<sizeof...(As)>::Type;
	auto Args = prepareCurrentInputs<As...>(Indices());
	std::fill(InputChanged.begin(), InputChanged.end(), false);
	Optional<T> R = invokeWithTuple(F, Args, Indices());
	if (R) {
	sendToMaster(*R);
	}
	};
	}

	template <typename T, typename... As, typename>
	DeluxeAgent::DeluxeAgent(const AtomValue Kind, const id_t Id,
	const std::string &Name, MessagingSystem &S,
	D<T, As...> &&F) noexcept
	: Agent(Kind, Id, Name, S, THISMEMBER(handleTrigger),
	DAHANDLERREF(AtomValue), DAHANDLERREF(int16_t),
	DAHANDLERREF(int32_t), DAHANDLERREF(int64_t), DAHANDLERREF(int8_t),
	DAHANDLERREF(long_double), DAHANDLERREF(std__string),
	DAHANDLERREF(uint16_t), DAHANDLERREF(uint32_t),
	DAHANDLERREF(uint64_t), DAHANDLERREF(uint8_t), DAHANDLERREF(unit_t),
	DAHANDLERREF(bool), DAHANDLERREF(double), DAHANDLERREF(float)),
	OutputType(TypeNumberOf<T>::Value),
	NumberOfInputs(sizeof...(As)),
	InputTypes({TypeNumberOf<As>::Value...}),
	InputChanged(NumberOfInputs, false),
	InputValues(new TokenizedStorage<As...>()),
	FP(triggerHandlerFromProcessingFunction(std::move(F))),
	Slaves(NumberOfInputs) {
	ASSERT(Kind == atoms::AgentKind);
	LOG_TRACE("DeluxeAgent is created.");
	ASSERT(inv());
	}

	template <typename T>
	void DeluxeAgent::sendToMaster(const T &Value) noexcept {
	ASSERT(inv() && OutputType == TypeNumberOf<T>::Value);

	// There is a handle and the referred master is in a valid state.
	if (Master && *Master) {
	Master->sendMessage(Message::create(atoms::Slave::Value, Id, Value));
	}
	}

	template <typename T> void DeluxeAgent::saveInput(id_t Id, T Value) noexcept {
	ASSERT(inv() && SlaveIds.find(Id) != SlaveIds.end() &&
	InputTypes[SlaveIds.find(Id)->second] == TypeNumberOf<T>::Value);

	size_t Pos = SlaveIds.at(Id);
	static_cast<T >(InputValues->pointerTo(Pos)) = Value;
	InputChanged[Pos] = true;

	ASSERT(inv());
	}


	} // End namespace deluxe
	} // End namespace rosa

	#undef DAHANDLEREF
	#undef DAHANDLEDEF
	#undef DAHANDLEDEFN
	#undef DAHANDLENAME

	#endif // ROSA_DELUXE_DELUXEAGENT_HPP

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