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	diff --git a/apps/ccam/ccam.cpp b/apps/ccam/ccam.cpp
	index d9b7d97..fb9b78c 100644
	--- a/apps/ccam/ccam.cpp
	+++ b/apps/ccam/ccam.cpp
	@@ -1,581 +1,585 @@
	//===-- apps/ccam/ccam.cpp --------------------------------------- C++ --===//
	//
	// The RoSA Framework -- Application CCAM
	//
	// Distributed under the terms and conditions of the Boost Software
	/// License 1.0.
	// See accompanying file LICENSE.
	//
	// If you did not receive a copy of the license file, see
	// http://www.boost.org/LICENSE_1_0.txt.
	//
	//===----------------------------------------------------------------------===//
	///
	/// \file apps/ccam/ccam.cpp
	///
	/// \author Maximilian Goetzinger (maximilian.goetzinger@tuwien.ac.at)
	/// \author Benedikt Tutzer (benedikt.tutzer@tuwien.ac.at)
	///
	/// \date 2019
	///
	/// \brief The application CCAM implements the case study from the paper:
	/// M. Goetzinger, N. TaheriNejad, H. A. Kholerdi, A. Jantsch, E. Willegger,
	/// T. Glatzl, A.M. Rahmani, T.Sauter, P. Liljeberg: Model - Free Condition
	/// Monitoring with Confidence
	///
	/// \todo Clean up source files of this app: add standard RoSA header comment
	/// for own files and do something with 3rd party files...
	//===----------------------------------------------------------------------===//
	#include "rosa/agent/Abstraction.hpp"
	#include "rosa/agent/Confidence.hpp"
	#include "rosa/agent/FunctionAbstractions.hpp"
	#include <iostream>

	#include "rosa/config/version.h"

	#include "rosa/agent/SignalStateDetector.hpp"
	#include "rosa/agent/SystemStateDetector.hpp"
	#include "rosa/app/Application.hpp"

	#include "rosa/support/csv/CSVReader.hpp"
	#include "rosa/support/csv/CSVWriter.hpp"

	#include "rosa/support/mqtt/MQTTReader.hpp"

	#include "rosa/app/AppTuple.hpp"
	#include <fstream>
	#include <limits>
	#include <memory>
	#include <streambuf>

	#include "configuration.h"
	#include "statehandlerutils.h"

	using namespace rosa;
	using namespace rosa::agent;
	using namespace rosa::app;
	using namespace rosa::terminal;
	using namespace rosa::mqtt;

	const std::string AppName = "CCAM";

	int main(int argc, char **argv) {

	LOG_INFO_STREAM << '\n'
	<< library_string() << " -- " << Color::Red << AppName
	<< "app" << Color::Default << '\n';

	//
	// Read the filepath of the config file of the observed system. The filepath
	// is in the first argument passed to the application. Fuzzy functions etc.
	// are described in this file.
	//
	if (argc < 2) {
	LOG_ERROR("Specify config File!\nUsage:\n\tccam config.json");
	return 1;
	}
	std::string ConfigPath = argv[1];

	//
	// Load config file and read in all parameters. Fuzzy functions etc. are
	// described in this file.
	//
	if (!readConfigFile(ConfigPath)) {
	LOG_ERROR_STREAM << "Could not read config from \"" << ConfigPath << "\"\n";
	return 2;
	}

	//
	// Create a CCAM context.
	//
	LOG_INFO("Creating Context");
	std::unique_ptr<Application> AppCCAM = Application::create(AppName);

	//
	// Create following function which shall give information if the time gap
	// between changed input(s) and changed output(s) shows already a malfunction
	// of the system.
	//
	// ____________
	// /
	// /
	// __________/
	//
	std::shared_ptr<PartialFunction<uint32_t, float>> BrokenDelayFunction(
	new PartialFunction<uint32_t, float>(
	{{{0, AppConfig.BrokenCounter},
	std::make_shared<LinearFunction<uint32_t, float>>(
	0, 0.f, AppConfig.BrokenCounter, 1.f)},
	{{AppConfig.BrokenCounter, std::numeric_limits<uint32_t>::max()},
	std::make_shared<LinearFunction<uint32_t, float>>(1.f, 0.f)}},
	0.f));

	//
	// Create following function which shall give information if the time gap
	// between changed input(s) and changed output(s) still shows a
	// well-functioning system.
	//
	// ____________
	// \
	// \
	// \__________
	//
	std::shared_ptr<PartialFunction<uint32_t, float>> OkDelayFunction(
	new PartialFunction<uint32_t, float>(
	{{{0, AppConfig.BrokenCounter},
	std::make_shared<LinearFunction<uint32_t, float>>(
	0, 1.f, AppConfig.BrokenCounter, 0.f)},
	{{AppConfig.BrokenCounter, std::numeric_limits<uint32_t>::max()},
	std::make_shared<LinearFunction<uint32_t, float>>(0.f, 0.f)}},
	1.f));

	//
	// Create a AppAgent with SystemStateDetector functionality.
	//
	LOG_INFO("Create SystemStateDetector agent.");
	AgentHandle SystemStateDetectorAgent = createSystemStateDetectorAgent(
	AppCCAM, "SystemStateDetector", AppConfig.SignalConfigurations.size(),
	BrokenDelayFunction, OkDelayFunction);

	//
	// Set policy of SystemStateDetectorAgent that it wait for all
	// SignalStateDetectorAgents
	//
	std::set<size_t> pos;
	for (size_t i = 0; i < AppConfig.SignalConfigurations.size(); ++i)
	pos.insert(pos.end(), i);
	AppCCAM->setExecutionPolicy(SystemStateDetectorAgent,
	AppExecutionPolicy::awaitAll(pos));

	//
	// Create Vectors for all sensors, all signal related fuzzy functions, all
	// signal state detectors, all signal state agents, and all input data files.
	//
	LOG_INFO("Creating sensors, SignalStateDetector functionalities and their "
	"Abstractions.");
	std::vector<AgentHandle> Sensors;
	std::vector<std::shared_ptr<PartialFunction<float, float>>>
	SampleMatchesFunctions;
	std::vector<std::shared_ptr<PartialFunction<float, float>>>
	SampleMismatchesFunctions;
	std::vector<std::shared_ptr<PartialFunction<float, float>>>
	SignalIsStableFunctions;
	std::vector<std::shared_ptr<PartialFunction<float, float>>>
	SignalIsDriftingFunctions;
	std::vector<std::shared_ptr<StepFunction<float, float>>>
	NumOfSamplesMatchFunctions;
	std::vector<std::shared_ptr<StepFunction<float, float>>>
	NumOfSamplesMismatchFunctions;
	std::vector<std::shared_ptr<PartialFunction<float, float>>>
	SampleValidFunctions;
	std::vector<std::shared_ptr<PartialFunction<float, float>>>
	SampleInvalidFunctions;
	std::vector<std::shared_ptr<StepFunction<float, float>>>
	NumOfSamplesValidFunctions;
	std::vector<std::shared_ptr<StepFunction<float, float>>>
	NumOfSamplesInvalidFunctions;
	std::vector<std::shared_ptr<
	SignalStateDetector<float, float, float, HistoryPolicy::FIFO>>>
	SignalStateDetectors;
	std::vector<AgentHandle> SignalStateDetectorAgents;
	std::vector<std::ifstream> DataFiles;

	//
	// Go through all signal state configurations (number of signals), and create
	// functionalities for SignalStateDetector.
	//
	for (auto SignalConfiguration : AppConfig.SignalConfigurations) {

	//
	// Create application sensors.
	//
	Sensors.emplace_back(
	AppCCAM->createSensor<float>(SignalConfiguration.Name + "_Sensor"));

	//
	// Create following function(s) which shall give information whether one
	// sample matches another one (based on the relative distance between them).
	//
	// ____________
	// / \
	// / \
	// __________/ \__________
	//
	//
	SampleMatchesFunctions.emplace_back(new PartialFunction<float, float>(
	{
	{{-SignalConfiguration.OuterBound, -SignalConfiguration.InnerBound},
	std::make_shared<LinearFunction<float, float>>(
	-SignalConfiguration.OuterBound, 0.f,
	-SignalConfiguration.InnerBound, 1.f)},
	{{-SignalConfiguration.InnerBound, SignalConfiguration.InnerBound},
	std::make_shared<LinearFunction<float, float>>(1.f, 0.f)},
	{{SignalConfiguration.InnerBound, SignalConfiguration.OuterBound},
	std::make_shared<LinearFunction<float, float>>(
	SignalConfiguration.InnerBound, 1.f,
	SignalConfiguration.OuterBound, 0.f)},
	},
	0));

	//
	// Create following function(s) which shall give information whether one
	// sample mismatches another one (based on the relative distance between
	// them).
	//
	// ____________ ____________
	// \ /
	// \ /
	// \__________/
	//
	//
	SampleMismatchesFunctions.emplace_back(new PartialFunction<float, float>(
	{
	{{-SignalConfiguration.OuterBound, -SignalConfiguration.InnerBound},
	std::make_shared<LinearFunction<float, float>>(
	-SignalConfiguration.OuterBound, 1.f,
	-SignalConfiguration.InnerBound, 0.f)},
	{{-SignalConfiguration.InnerBound, SignalConfiguration.InnerBound},
	std::make_shared<LinearFunction<float, float>>(0.f, 0.f)},
	{{SignalConfiguration.InnerBound, SignalConfiguration.OuterBound},
	std::make_shared<LinearFunction<float, float>>(
	SignalConfiguration.InnerBound, 0.f,
	SignalConfiguration.OuterBound, 1.f)},
	},
	1));

	//
	// Create following function(s) which shall give information whether a
	// signal is stable.
	//
	// ____________
	// / \
	// / \
	// __________/ \__________
	//
	//
	SignalIsStableFunctions.emplace_back(new PartialFunction<float, float>(
	{
	{{-SignalConfiguration.OuterBoundDrift,
	-SignalConfiguration.InnerBoundDrift},
	std::make_shared<LinearFunction<float, float>>(
	-SignalConfiguration.OuterBoundDrift, 0.f,
	-SignalConfiguration.InnerBoundDrift, 1.f)},
	{{-SignalConfiguration.InnerBoundDrift,
	SignalConfiguration.InnerBoundDrift},
	std::make_shared<LinearFunction<float, float>>(1.f, 0.f)},
	{{SignalConfiguration.InnerBoundDrift,
	SignalConfiguration.OuterBoundDrift},
	std::make_shared<LinearFunction<float, float>>(
	SignalConfiguration.InnerBoundDrift, 1.f,
	SignalConfiguration.OuterBoundDrift, 0.f)},
	},
	0));

	//
	// Create following function(s) which shall give information whether a
	// signal is drifting.
	//
	// ____________ ____________
	// \ /
	// \ /
	// \__________/
	//
	//
	SignalIsDriftingFunctions.emplace_back(new PartialFunction<float, float>(
	{
	{{-SignalConfiguration.OuterBoundDrift,
	-SignalConfiguration.InnerBoundDrift},
	std::make_shared<LinearFunction<float, float>>(
	-SignalConfiguration.OuterBoundDrift, 1.f,
	-SignalConfiguration.InnerBoundDrift, 0.f)},
	{{-SignalConfiguration.InnerBoundDrift,
	SignalConfiguration.InnerBoundDrift},
	std::make_shared<LinearFunction<float, float>>(0.f, 0.f)},
	{{SignalConfiguration.InnerBoundDrift,
	SignalConfiguration.OuterBoundDrift},
	std::make_shared<LinearFunction<float, float>>(
	SignalConfiguration.InnerBoundDrift, 0.f,
	SignalConfiguration.OuterBoundDrift, 1.f)},
	},
	1));

	//
	// Create following function(s) which shall give information how many
	// history samples match another sample.
	//
	// ____________
	// /
	// /
	// __________/
	//
	NumOfSamplesMatchFunctions.emplace_back(new StepFunction<float, float>(
	1.0f / SignalConfiguration.SampleHistorySize, StepDirection::StepUp));

	//
	// Create following function(s) which shall give information how many
	// history samples mismatch another sample.
	//
	// ____________
	// \
	// \
	// \__________
	//
	NumOfSamplesMismatchFunctions.emplace_back(new StepFunction<float, float>(
	1.0f / SignalConfiguration.SampleHistorySize, StepDirection::StepDown));

	//
	// Create following function(s) which shall give information how good all
	// samples in a state match each other.
	//
	// ____________
	// / \
	// / \
	// __________/ \__________
	//
	//
	SampleValidFunctions.emplace_back(new PartialFunction<float, float>(
	{
	{{-SignalConfiguration.OuterBound, -SignalConfiguration.InnerBound},
	std::make_shared<LinearFunction<float, float>>(
	-SignalConfiguration.OuterBound, 0.f,
	-SignalConfiguration.InnerBound, 1.f)},
	{{-SignalConfiguration.InnerBound, SignalConfiguration.InnerBound},
	std::make_shared<LinearFunction<float, float>>(1.f, 0.f)},
	{{SignalConfiguration.InnerBound, SignalConfiguration.OuterBound},
	std::make_shared<LinearFunction<float, float>>(
	SignalConfiguration.InnerBound, 1.f,
	SignalConfiguration.OuterBound, 0.f)},
	},
	0));

	//
	// Create following function(s) which shall give information how good all
	// samples in a state mismatch each other.
	//
	// ____________ ____________
	// \ /
	// \ /
	// \__________/
	//
	//
	SampleInvalidFunctions.emplace_back(new PartialFunction<float, float>(
	{
	{{-SignalConfiguration.OuterBound, -SignalConfiguration.InnerBound},
	std::make_shared<LinearFunction<float, float>>(
	-SignalConfiguration.OuterBound, 1.f,
	-SignalConfiguration.InnerBound, 0.f)},
	{{-SignalConfiguration.InnerBound, SignalConfiguration.InnerBound},
	std::make_shared<LinearFunction<float, float>>(0.f, 0.f)},
	{{SignalConfiguration.InnerBound, SignalConfiguration.OuterBound},
	std::make_shared<LinearFunction<float, float>>(
	SignalConfiguration.InnerBound, 0.f,
	SignalConfiguration.OuterBound, 1.f)},
	},
	1));

	//
	// Create following function(s) which shall give information how many
	// history samples match each other.
	//
	// ____________
	// /
	// /
	// __________/
	//
	NumOfSamplesValidFunctions.emplace_back(new StepFunction<float, float>(
	1.0f / SignalConfiguration.SampleHistorySize, StepDirection::StepUp));

	//
	// Create following function(s) which shall give information how many
	// history samples mismatch each other.
	//
	// ____________
	// \
	// \
	// \__________
	//
	NumOfSamplesInvalidFunctions.emplace_back(new StepFunction<float, float>(
	1.0f / SignalConfiguration.SampleHistorySize, StepDirection::StepDown));

	//
	// Create SignalStateDetector functionality
	//
	SignalStateDetectors.emplace_back(
	new SignalStateDetector<float, float, float, HistoryPolicy::FIFO>(
	SignalConfiguration.Output ? SignalProperties::OUTPUT
	: SignalProperties::INPUT,
	std::numeric_limits<int>::max(), SampleMatchesFunctions.back(),
	SampleMismatchesFunctions.back(), NumOfSamplesMatchFunctions.back(),
	NumOfSamplesMismatchFunctions.back(), SampleValidFunctions.back(),
	SampleInvalidFunctions.back(), NumOfSamplesValidFunctions.back(),
	NumOfSamplesInvalidFunctions.back(),
	SignalIsDriftingFunctions.back(), SignalIsStableFunctions.back(),
	SignalConfiguration.SampleHistorySize, SignalConfiguration.DABSize,
	SignalConfiguration.DABHistorySize));

	//
	// Create low-level application agents
	//
	SignalStateDetectorAgents.push_back(createSignalStateDetectorAgent(
	AppCCAM, SignalConfiguration.Name, SignalStateDetectors.back()));

	AppCCAM->setExecutionPolicy(
	SignalStateDetectorAgents.back(),
	AppExecutionPolicy::decimation(AppConfig.DownsamplingRate));
	//
	// Connect sensors to low-level agents.
	//
	LOG_INFO("Connect sensors to their corresponding low-level agents.");

	AppCCAM->connectSensor(SignalStateDetectorAgents.back(), 0, Sensors.back(),
	SignalConfiguration.Name + "_Sensor ->" +
	SignalConfiguration.Name +
	"_SignalStateDetector_Agent-Channel");

	AppCCAM->connectAgents(
	SystemStateDetectorAgent, SignalStateDetectors.size() - 1,
	SignalStateDetectorAgents.back(),
	SignalConfiguration.Name +
	"_SignalStateDetector_Agent->SystemStateDetector_Agent_Channel");
	}

	//
	// For simulation output, create a logger agent writing the output of the
	// high-level agent into a CSV file.
	//
	LOG_INFO("Create a logger agent.");

	// Create CSV writer.
	std::ofstream OutputCSV(AppConfig.OutputFilePath);

	for (auto SignalConfiguration : AppConfig.SignalConfigurations) {
	OutputCSV << SignalConfiguration.Name + ",";
	}
	OutputCSV << "StateID,";
	OutputCSV << "Confidence State Valid,";
	OutputCSV << "Confidence State Invalid,";
	OutputCSV << "Confidence Inputs Matching,";
	OutputCSV << "Confidence Inputs Mismatching,";
	OutputCSV << "Confidence Outputs Matching,";
	OutputCSV << "Confidence Outputs Mismatching,";
	OutputCSV << "Confidence State Stable,";
	OutputCSV << "Confidence State Drifting,";
	OutputCSV << "State Condition,";
	OutputCSV << "Confidence System Functioning,";
	OutputCSV << "Confidence System Malfunctioning,";
	OutputCSV << "Overall Confidence,";
	//=== Log Signal State Detector Outputs ===//
	for (auto SignalConfiguration : AppConfig.SignalConfigurations) {
	OutputCSV << SignalConfiguration.Name + " StateID,";
	OutputCSV << SignalConfiguration.Name + " Confidence Matching,";
	OutputCSV << SignalConfiguration.Name + " Confidence Mismatching,";
	OutputCSV << SignalConfiguration.Name + " Confidence State Valid,";
	OutputCSV << SignalConfiguration.Name + " Confidence State Invalid,";
	OutputCSV << SignalConfiguration.Name + " Confidence State Stable,";
	OutputCSV << SignalConfiguration.Name + " Confidence State Drifting,";

	OutputCSV << SignalConfiguration.Name + " StateJustGotValid,";
	OutputCSV << SignalConfiguration.Name + " StateValidAfterReentrance,";
	+
	+ OutputCSV << SignalConfiguration.Name + " StateHasChanged,";
	+ OutputCSV << SignalConfiguration.Name + " StateWasDeleted,";
	+ OutputCSV << SignalConfiguration.Name + " StateWasCreated,";
	}
	//===//
	OutputCSV << "\n";

	// The agent writes each new input value into a CSV file and produces
	// nothing.
	using Input = std::pair<SystemStateTuple, bool>;
	using Result = Optional<AppTuple<unit_t>>;
	using Handler = std::function<Result(Input)>;
	std::string Name = "Logger Agent";

	AgentHandle LoggerAgent = AppCCAM->createAgent(
	"Logger Agent", Handler([&OutputCSV](Input I) -> Result {
	const SystemStateTuple &T = I.first;
	OutputCSV << std::get<0>(
	static_cast<const std::tuple<std::string> &>(T))
	<< std::endl;
	return Result();
	}));
	//
	// Connect the high-level agent to the logger agent.
	//
	LOG_INFO("Connect the high-level agent to the logger agent.");

	AppCCAM->connectAgents(LoggerAgent, 0, SystemStateDetectorAgent,
	"SystemStateDetector Channel");

	//
	// Only log if the SystemStateDetector actually ran
	//
	AppCCAM->setExecutionPolicy(LoggerAgent, AppExecutionPolicy::awaitAll({0}));

	//
	// Do simulation.
	//
	LOG_INFO("Setting up and performing simulation.");

	//
	// Initialize application for simulation.
	//
	AppCCAM->initializeSimulation();

	//
	// Open CSV files and register them for their corresponding sensors.
	//
	// Make sure DataFiles will not change capacity while adding elements to it.
	// Changing capacity moves elements away, which invalidates references
	// captured by CSVIterator.
	DataFiles.reserve(AppConfig.SignalConfigurations.size());
	uint32_t i = 0;
	bool hasMQTT = false;
	for (auto SignalConfiguration : AppConfig.SignalConfigurations) {

	switch (SignalConfiguration.DataInterfaceType) {
	case DataInterfaceTypes::CSV:

	DataFiles.emplace_back(SignalConfiguration.InputPath);
	if (!DataFiles.at(i)) {
	LOG_ERROR_STREAM << "Cannot open Input File \""
	<< SignalConfiguration.InputPath << "\" for Signal \""
	<< SignalConfiguration.Name << "\"" << std::endl;
	return 3;
	}

	AppCCAM->registerSensorValues(Sensors.at(i),
	csv::CSVIterator<float>(DataFiles.at(i)),
	csv::CSVIterator<float>());

	LOG_INFO_STREAM << "Sensor " << SignalConfiguration.Name
	<< " is fed by csv file " << SignalConfiguration.InputPath
	<< std::endl;
	break;
	case DataInterfaceTypes::MQTT: {
	hasMQTT = true;
	auto it = MQTTIterator<float>(SignalConfiguration.MQTTTopic);
	AppCCAM->registerSensorValues(Sensors.at(i), std::move(it),
	MQTTIterator<float>());
	LOG_INFO_STREAM << "Sensor " << SignalConfiguration.Name
	<< " is fed by MQTT topic "
	<< SignalConfiguration.MQTTTopic << std::endl;
	break;
	}
	default:
	LOG_ERROR_STREAM << "No data source for " << SignalConfiguration.Name
	<< std::endl;
	break;
	}
	i++;
	}

	//
	// Start simulation.
	//
	auto &log = LOG_WARNING_STREAM;
	log << "Simulation starting.";
	if (hasMQTT) {
	log << " Publishing MQTT messages may start.";
	}
	log << std::endl;
	AppCCAM->simulate(AppConfig.NumberOfSimulationCycles);

	return 0;
	}
	diff --git a/apps/ccam/statehandlerutils.h b/apps/ccam/statehandlerutils.h
	index 2c9d38f..d5e3501 100644
	--- a/apps/ccam/statehandlerutils.h
	+++ b/apps/ccam/statehandlerutils.h
	@@ -1,290 +1,307 @@
	#ifndef STATEHANDLERUTILS_H
	#define STATEHANDLERUTILS_H
	#include "rosa/agent/Abstraction.hpp"
	#include "rosa/agent/Confidence.hpp"
	#include "rosa/agent/FunctionAbstractions.hpp"
	#include <functional>
	#include <iostream>
	#include <tuple>
	#include <vector>

	#include "rosa/config/version.h"

	#include "rosa/agent/SignalStateDetector.hpp"
	#include "rosa/agent/SystemStateDetector.hpp"
	#include "rosa/app/Application.hpp"

	#include "rosa/support/csv/CSVReader.hpp"
	#include "rosa/support/csv/CSVWriter.hpp"

	#include <fstream>
	#include <limits>
	#include <memory>
	#include <streambuf>
	using namespace rosa;
	using namespace rosa::agent;
	using namespace rosa::app;
	using namespace rosa::terminal;

	// For the convinience to write a shorter data type name
	using SignalStateTuple =
	AppTuple<float, uint32_t, uint8_t, float, float, float, float, float, float,
	uint8_t, uint32_t, uint8_t>;

	AgentHandle createSignalStateDetectorAgent(
	std::unique_ptr<Application> &C, const std::string &Name,
	std::shared_ptr<
	SignalStateDetector<float, float, float, HistoryPolicy::FIFO>>
	SigSD) {

	using Input = std::pair<AppTuple<float>, bool>;

	using Result = Optional<SignalStateTuple>;
	using Handler = std::function<Result(Input)>;

	return C->createAgent(
	Name, Handler([&, Name, SigSD](Input I) -> Result {
	LOG_INFO_STREAM << "\n******\n"
	<< Name << " " << (I.second ? "<New>" : "<Old>")
	<< " value: "
	<< std::get<0>(
	static_cast<std::tuple<float> &>(I.first))
	<< "\n******\n";

	auto StateInfo = SigSD->detectSignalState(
	std::get<0>(static_cast<std::tuple<float> &>(I.first)));

	if (I.second) {
	SignalStateTuple Res = {
	std::get<0>(static_cast<std::tuple<float> &>(I.first)),
	StateInfo.StateID,
	StateInfo.SignalProperty,
	StateInfo.ConfidenceOfMatchingState,
	StateInfo.ConfidenceOfMismatchingState,
	StateInfo.ConfidenceStateIsValid,
	StateInfo.ConfidenceStateIsInvalid,
	StateInfo.ConfidenceStateIsStable,
	StateInfo.ConfidenceStateIsDrifting,
	StateInfo.StateCondition,
	StateInfo.NumberOfInsertedSamplesAfterEntrance,
	static_cast<uint8_t>(
	+ (SigSD->stateHasChanged() ? 32 : 0) +
	+ (SigSD->stateWasDeleted() ? 16 : 0) +
	+ (SigSD->stateWasCreated() ? 8 : 0) +
	(StateInfo.StateIsValid ? 4 : 0) +
	(StateInfo.StateJustGotValid ? 2 : 0) +
	(StateInfo.StateIsValidAfterReentrance ? 1 : 0))};

	return Result(Res);
	}
	return Result();
	}));
	}

	// System State
	using SystemStateTuple = AppTuple<std::string>;

	template <std::size_t size, typename ret, typename functype, typename... A>
	struct Handler_helper;

	template <typename B, typename func, typename A, typename... As>
	struct function_helper {
	static_assert(std::conjunction_v<std::is_same<A, As>...>,
	"All types need to be identical");

	static B function(A valA, As... valAs) {
	std::vector<A> ar({valA, valAs...});
	return func()(ar);
	}
	};

	template <typename ret, typename typeA, typename functype, typename... B>
	struct Handler_helper<0, ret, functype, typeA, B...> {
	using handler = function_helper<ret, functype, B...>;
	};

	template <std::size_t size, typename ret, typename typeA, typename functype,
	typename... B>
	struct Handler_helper<size, ret, functype, typeA, B...> {
	using handler =
	typename Handler_helper<size - 1, ret, functype, typeA,
	std::pair<typeA, bool>, B...>::handler;
	};

	template <std::size_t size, typename ret, typename functype, typename typeA>
	using Handler = typename Handler_helper<size, ret, functype, typeA>::handler;

	// TODO: Change it from global to local variable if possible
	std::shared_ptr<
	SystemStateDetector<uint32_t, float, float, HistoryPolicy::FIFO>>
	SysSD;

	template <typename ret, typename A> struct function {
	ret operator()(A a) {
	std::vector<SignalStateInformation<float>> SignalStateInfos;
	+ std::vector<uint8_t> SignalStateDecisions;
	std::stringstream OutString;

	for (auto _SignalStateTuple : a) {
	// convert tuple to info struct out.push_back({});
	OutString << std::get<0>(_SignalStateTuple.first) << ",";
	SignalStateInformation<float> Info;
	Info.StateID = std::get<1>(_SignalStateTuple.first);
	Info.SignalProperty =
	static_cast<SignalProperties>(std::get<2>(_SignalStateTuple.first));
	Info.ConfidenceOfMatchingState = std::get<3>(_SignalStateTuple.first);
	Info.ConfidenceOfMismatchingState = std::get<4>(_SignalStateTuple.first);
	Info.ConfidenceStateIsValid = std::get<5>(_SignalStateTuple.first);
	Info.ConfidenceStateIsInvalid = std::get<6>(_SignalStateTuple.first);
	Info.ConfidenceStateIsStable = std::get<7>(_SignalStateTuple.first);
	Info.ConfidenceStateIsDrifting = std::get<8>(_SignalStateTuple.first);
	Info.StateCondition =
	static_cast<StateConditions>(std::get<9>(_SignalStateTuple.first));
	Info.NumberOfInsertedSamplesAfterEntrance =
	std::get<10>(_SignalStateTuple.first);
	Info.StateIsValid = (std::get<11>(_SignalStateTuple.first) & 4) > 0;
	Info.StateJustGotValid = (std::get<11>(_SignalStateTuple.first) & 2) > 0;
	Info.StateIsValidAfterReentrance =
	(std::get<11>(_SignalStateTuple.first) & 1) > 0;
	SignalStateInfos.push_back(Info);
	+
	+ uint8_t decisions = std::get<11>(_SignalStateTuple.first);
	+ SignalStateDecisions.push_back(decisions);
	}
	SystemStateInformation<float> SystemStateInfo =
	SysSD->detectSystemState(SignalStateInfos);

	OutString << SystemStateInfo.StateID << ",";
	OutString << SystemStateInfo.ConfidenceStateIsValid << ",";
	OutString << SystemStateInfo.ConfidenceStateIsInvalid << ",";
	OutString << SystemStateInfo.ConfidenceOfInputsMatchingState << ",";
	OutString << SystemStateInfo.ConfidenceOfInputsMismatchingState << ",";
	OutString << SystemStateInfo.ConfidenceOfOutputsMatchingState << ",";
	OutString << SystemStateInfo.ConfidenceOfOutputsMismatchingState << ",";
	OutString << SystemStateInfo.ConfidenceStateIsStable << ",";
	OutString << SystemStateInfo.ConfidenceStateIsDrifting << ",";
	OutString << SystemStateInfo.StateCondition << ",";
	OutString << SystemStateInfo.ConfidenceSystemIsFunctioning << ",";
	OutString << SystemStateInfo.ConfidenceSystemIsMalfunctioning << ",";
	OutString << SystemStateInfo.ConfidenceOfAllDecisions << ",";

	//=== Log Signal State Detector Outputs ===//
	+ int i = 0;
	for (auto SSI : SignalStateInfos) {
	OutString << SSI.StateID << ",";
	OutString << SSI.ConfidenceOfMatchingState << ",";
	OutString << SSI.ConfidenceOfMismatchingState << ",";
	OutString << SSI.ConfidenceStateIsValid << ",";
	OutString << SSI.ConfidenceStateIsInvalid << ",";
	OutString << SSI.ConfidenceStateIsStable << ",";
	OutString << SSI.ConfidenceStateIsDrifting << ",";

	OutString << SSI.StateJustGotValid << ",";
	OutString << SSI.StateIsValidAfterReentrance << ",";
	+
	+ uint8_t decisions = SignalStateDecisions[i];
	+ OutString << ((decisions & 32) > 0) << ","; //StateHasChanged
	+ OutString << ((decisions & 16) > 0) << ","; //StateWasDeleted
	+ OutString << ((decisions & 8) > 0) << ","; //StateWasCreated
	+ //OutString << ((decisions & 4) > 0) << ","; //StateHasChanged
	+ //OutString << ((decisions & 2) > 0) << ","; //StateWasDeleted
	+ //OutString << ((decisions & 1) > 0) << ","; //StateWasCreated
	+ i++;
	}

	return ret(std::make_tuple<std::string>(OutString.str()));
	}
	};

	using arr = std::vector<std::pair<SignalStateTuple, bool>>;

	template <size_t NumOfSlaves>
	AgentHandle createSystemStateDetectorAgent(
	std::unique_ptr<Application> &C, const std::string &Name,
	std::shared_ptr<PartialFunction<uint32_t, float>> BrokenDelayFunction,
	std::shared_ptr<PartialFunction<uint32_t, float>> OkDelayFunction) {
	LOG_TRACE("Creating fixed SystemStateDetectorAgent");
	using Input = SignalStateTuple;
	using Result = Optional<SystemStateTuple>;

	std::shared_ptr<
	SystemStateDetector<uint32_t, float, float, HistoryPolicy::FIFO>>
	_SysSD(
	new SystemStateDetector<uint32_t, float, float, HistoryPolicy::FIFO>(
	std::numeric_limits<uint32_t>::max(), NumOfSlaves,
	BrokenDelayFunction, OkDelayFunction));
	SysSD = _SysSD;

	auto HandlerFunction =
	Handler<NumOfSlaves, Result, function<Optional<SystemStateTuple>, arr>,
	Input>::function;

	return C->createAgent(Name, std::function(HandlerFunction));
	}

	AgentHandle createSystemStateDetectorAgent(
	std::unique_ptr<Application> &C, const std::string &Name,
	size_t NumOfSlaves,
	std::shared_ptr<PartialFunction<uint32_t, float>> BrokenDelayFunction,
	std::shared_ptr<PartialFunction<uint32_t, float>> OkDelayFunction) {
	LOG_TRACE("Creating dynamic SystemStateDetectorAgent");
	switch (NumOfSlaves) {
	// clang-format off
	case 2: return createSystemStateDetectorAgent< 2>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 3: return createSystemStateDetectorAgent< 3>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 4: return createSystemStateDetectorAgent< 4>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 5: return createSystemStateDetectorAgent< 5>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 6: return createSystemStateDetectorAgent< 6>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 7: return createSystemStateDetectorAgent< 7>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 8: return createSystemStateDetectorAgent< 8>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 9: return createSystemStateDetectorAgent< 9>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 10: return createSystemStateDetectorAgent<10>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 11: return createSystemStateDetectorAgent<11>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 12: return createSystemStateDetectorAgent<12>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 13: return createSystemStateDetectorAgent<13>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 14: return createSystemStateDetectorAgent<14>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 15: return createSystemStateDetectorAgent<15>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 16: return createSystemStateDetectorAgent<16>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 17: return createSystemStateDetectorAgent<17>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 18: return createSystemStateDetectorAgent<18>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 19: return createSystemStateDetectorAgent<19>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 20: return createSystemStateDetectorAgent<20>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 21: return createSystemStateDetectorAgent<21>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 22: return createSystemStateDetectorAgent<22>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 23: return createSystemStateDetectorAgent<23>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 24: return createSystemStateDetectorAgent<24>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 25: return createSystemStateDetectorAgent<25>(C, Name, BrokenDelayFunction, OkDelayFunction);
	case 1:
	default: return createSystemStateDetectorAgent<1>(C, Name, BrokenDelayFunction, OkDelayFunction);
	// clang-format on
	}
	}

	// template <typename T, typename>
	// AgentHandle createMQTTSensor(std::string MQTTTopic) {

	// using Input = void;

	// using Result = Optional<T>;
	// using Handler = std::function<Result(Input)>;

	// return C->createAgent(
	// Name, Handler([&, Name, SigSD](Input I) -> Result {
	// LOG_INFO_STREAM << "\n******\n"
	// << Name << " " << (I.second ? "<New>" : "<Old>")
	// << " value: "
	// << std::get<0>(
	// static_cast<std::tuple<float> &>(I.first))
	// << "\n******\n";

	// auto StateInfo = SigSD->detectSignalState(
	// std::get<0>(static_cast<std::tuple<float> &>(I.first)));

	// if (I.second) {
	// SignalStateTuple Res = {
	// std::get<0>(static_cast<std::tuple<float> &>(I.first)),
	// StateInfo.StateID,
	// StateInfo.SignalProperty,
	// StateInfo.ConfidenceOfMatchingState,
	// StateInfo.ConfidenceOfMismatchingState,
	// StateInfo.ConfidenceStateIsValid,
	// StateInfo.ConfidenceStateIsInvalid,
	// StateInfo.ConfidenceStateIsStable,
	// StateInfo.ConfidenceStateIsDrifting,
	// StateInfo.StateCondition,
	// StateInfo.NumberOfInsertedSamplesAfterEntrance,
	// static_cast<uint8_t>(
	// (StateInfo.StateIsValid ? 4 : 0) +
	// (StateInfo.StateJustGotValid ? 2 : 0) +
	// (StateInfo.StateIsValidAfterReentrance ? 1 : 0))};

	// return Result(Res);
	// }
	// return Result();
	// }));
	// }

	#endif // STATEHANDLERUTILS_H
	diff --git a/include/rosa/agent/SignalStateDetector.hpp b/include/rosa/agent/SignalStateDetector.hpp
	index 8a7d3c1..3ac8c07 100644
	--- a/include/rosa/agent/SignalStateDetector.hpp
	+++ b/include/rosa/agent/SignalStateDetector.hpp
	@@ -1,332 +1,351 @@
	//===-- rosa/agent/SignalStateDetector.hpp ----------------------- C++ --===//
	//
	// The RoSA Framework
	//
	// Distributed under the terms and conditions of the Boost Software License 1.0.
	// See accompanying file LICENSE.
	//
	// If you did not receive a copy of the license file, see
	// http://www.boost.org/LICENSE_1_0.txt.
	//
	//===----------------------------------------------------------------------===//
	///
	/// \file rosa/agent/SignalStateDetector.hpp
	///
	/// \author Maximilian Götzinger (maximilian.goetzinger@tuwien.ac.at)
	///
	/// \date 2019
	///
	/// \brief Definition of signal state detector functionality.
	///
	//===----------------------------------------------------------------------===//

	#ifndef ROSA_AGENT_SIGNALSTATEDETECTOR_HPP
	#define ROSA_AGENT_SIGNALSTATEDETECTOR_HPP

	#include "rosa/agent/Functionality.h"
	#include "rosa/agent/SignalState.hpp"
	#include "rosa/agent/StateDetector.hpp"

	#include <vector>

	namespace rosa {
	namespace agent {

	/// Implements \c rosa::agent::SignalStateDetector as a functionality that
	/// detects signal states given on input samples.
	///
	/// \note This implementation is supposed to be used for samples of an
	/// arithmetic type.
	///
	/// \tparam INDATATYPE type of input data, \tparam CONFDATATYPE type of
	/// data in that the confidence values are given, \tparam PROCDATATYPE type of
	/// the relative distance and the type of data in which DABs are saved.
	template <typename INDATATYPE, typename CONFDATATYPE, typename PROCDATATYPE,
	HistoryPolicy HP>
	class SignalStateDetector
	: public StateDetector<INDATATYPE, CONFDATATYPE, PROCDATATYPE, HP> {

	using StateDetector =
	StateDetector<INDATATYPE, CONFDATATYPE, PROCDATATYPE, HP>;
	using PartFuncPointer = typename StateDetector::PartFuncPointer;
	using StepFuncPointer = typename StateDetector::StepFuncPointer;

	private:
	// For the convinience to write a shorter data type name
	using SignalStatePtr =
	std::shared_ptr<SignalState<INDATATYPE, CONFDATATYPE, PROCDATATYPE>>;

	/// The SignalProperty saves whether the monitored signal is an input our
	/// output signal.
	SignalProperties SignalProperty;

	/// The CurrentSignalState is a pointer to the (saved) signal state in which
	/// the actual variable (signal) of the observed system is.
	SignalStatePtr CurrentSignalState;

	/// The DetectedSignalStates is a history in that all detected signal states
	/// are saved.
	DynamicLengthHistory<SignalStatePtr, HP> DetectedSignalStates;

	/// The FuzzyFunctionSampleMatches is the fuzzy function that gives the
	/// confidence how good the new sample matches another sample in the sample
	/// history. This is done to evaluate whether one sample belongs to an
	/// existing state.
	PartFuncPointer FuzzyFunctionSampleMatches;

	/// The FuzzyFunctionSampleMismatches is the fuzzy function that gives the
	/// confidence how bad the new sample matches another sample in the sample
	/// history. This is done to evaluate whether one sample does not belong to an
	/// existing state.
	PartFuncPointer FuzzyFunctionSampleMismatches;

	/// The FuzzyFunctionNumOfSamplesMatches is the fuzzy function that gives the
	/// confidence how many samples from the sample history match the new sample.
	/// This is done to evaluate whether one sample belongs to an existing state.
	StepFuncPointer FuzzyFunctionNumOfSamplesMatches;

	/// The FuzzyFunctionNumOfSamplesMismatches is the fuzzy function that gives
	/// the confidence how many samples from the sample history mismatch the new
	/// sample. This is done to evaluate whether one sample does not belong to an
	/// existing state.
	StepFuncPointer FuzzyFunctionNumOfSamplesMismatches;

	/// The FuzzyFunctionSampleValid is the fuzzy function that gives the
	/// confidence how good one matches another sample in the sample
	/// history. This is done to evaluate whether a state is valid.
	PartFuncPointer FuzzyFunctionSampleValid;

	/// The FuzzyFunctionSampleInvalid is the fuzzy function that gives the
	/// confidence how bad one sample matches another sample in the sample
	/// history. This is done to evaluate whether a state is invalid.
	PartFuncPointer FuzzyFunctionSampleInvalid;

	/// The FuzzyFunctionNumOfSamplesValid is the fuzzy function that gives the
	/// confidence how many samples from the sample history match another sample.
	/// This is done to evaluate whether a state is valid.
	StepFuncPointer FuzzyFunctionNumOfSamplesValid;

	/// The FuzzyFunctionNumOfSamplesInvalid is the fuzzy function that gives
	/// the confidence how many samples from the sample history mismatch another
	/// sample. This is done to evaluate whether a state is invalid.
	StepFuncPointer FuzzyFunctionNumOfSamplesInvalid;

	/// The FuzzyFunctionSignalIsDrifting is the fuzzy function that gives the
	/// confidence how likely it is that the signal is drifting.
	PartFuncPointer FuzzyFunctionSignalIsDrifting;

	/// The FuzzyFunctionSignalIsStable is the fuzzy function that gives the
	/// confidence how likely it is that the signal is stable (not drifting).
	PartFuncPointer FuzzyFunctionSignalIsStable;

	/// TODO: describe
	std::shared_ptr<PartialFunction<uint32_t, float>>
	FuzzyFunctionSignalConditionLookBack;
	/// TODO: describe
	std::shared_ptr<PartialFunction<uint32_t, float>>
	FuzzyFunctionSignalConditionHistoryDesicion;
	/// TODO: describe
	uint32_t DriftLookbackRange;

	/// SampleHistorySize is the (maximum) size of the sample history.
	uint32_t SampleHistorySize;
	/// DABSize the size of a DAB (Discrete Average Block).
	uint32_t DABSize;
	/// DABHistorySize is the (maximum) size of the DAB history.
	uint32_t DABHistorySize;

	public:
	/// Creates an instance by setting all parameters
	/// \param FuzzyFunctionSampleMatches The FuzzyFunctionSampleMatches is the
	/// fuzzy function that gives the confidence how good the new sample matches
	/// another sample in the sample history.
	///
	/// \param FuzzyFunctionSampleMismatches The FuzzyFunctionSampleMismatches is
	/// the fuzzy function that gives the confidence how bad the new sample
	/// matches another sample in the sample history.
	///
	/// \param FuzzyFunctionNumOfSamplesMatches The
	/// FuzzyFunctionNumOfSamplesMatches is the fuzzy function that gives the
	/// confidence how many samples from the sampe history match the new sample.
	///
	/// \param FuzzyFunctionNumOfSamplesMismatches The
	/// FuzzyFunctionNumOfSamplesMismatches is the fuzzy function that gives the
	/// confidence how many samples from the sampe history mismatch the new
	/// sample.
	///
	/// \param FuzzyFunctionSignalIsDrifting The FuzzyFunctionSignalIsDrifting is
	/// the fuzzy function that gives the confidence how likely it is that the
	/// signal (resp. the state of a signal) is drifting.
	///
	/// \param FuzzyFunctionSignalIsStable The FuzzyFunctionSignalIsStable is the
	/// fuzzy function that gives the confidence how likely it is that the signal
	/// (resp. the state of a signal) is stable (not drifting).
	///
	/// \param SampleHistorySize Sets the History size which will be used by \c
	/// SignalState.
	///
	/// \param DABSize Sets the DAB size which will be used by \c SignalState.
	///
	/// \param DABHistorySize Sets the size which will be used by \c SignalState.
	///
	SignalStateDetector(SignalProperties SignalProperty,
	uint32_t MaximumNumberOfSignalStates,
	PartFuncPointer FuzzyFunctionSampleMatches,
	PartFuncPointer FuzzyFunctionSampleMismatches,
	StepFuncPointer FuzzyFunctionNumOfSamplesMatches,
	StepFuncPointer FuzzyFunctionNumOfSamplesMismatches,
	PartFuncPointer FuzzyFunctionSampleValid,
	PartFuncPointer FuzzyFunctionSampleInvalid,
	StepFuncPointer FuzzyFunctionNumOfSamplesValid,
	StepFuncPointer FuzzyFunctionNumOfSamplesInvalid,
	PartFuncPointer FuzzyFunctionSignalIsDrifting,
	PartFuncPointer FuzzyFunctionSignalIsStable,
	// std::shared_ptr<PartialFunction<uint32_t, float>>
	// FuzzyFunctionSignalConditionLookBack,
	// std::shared_ptr<PartialFunction<uint32_t, float>>
	// FuzzyFunctionSignalConditionHistoryDesicion,
	// uint32_t DriftLookbackRange,
	uint32_t SampleHistorySize, uint32_t DABSize,
	uint32_t DABHistorySize) noexcept
	: SignalProperty(SignalProperty), CurrentSignalState(nullptr),
	DetectedSignalStates(MaximumNumberOfSignalStates),
	FuzzyFunctionSampleMatches(FuzzyFunctionSampleMatches),
	FuzzyFunctionSampleMismatches(FuzzyFunctionSampleMismatches),
	FuzzyFunctionNumOfSamplesMatches(FuzzyFunctionNumOfSamplesMatches),
	FuzzyFunctionNumOfSamplesMismatches(
	FuzzyFunctionNumOfSamplesMismatches),
	FuzzyFunctionSampleValid(FuzzyFunctionSampleValid),
	FuzzyFunctionSampleInvalid(FuzzyFunctionSampleInvalid),
	FuzzyFunctionNumOfSamplesValid(FuzzyFunctionNumOfSamplesValid),
	FuzzyFunctionNumOfSamplesInvalid(FuzzyFunctionNumOfSamplesInvalid),
	FuzzyFunctionSignalIsDrifting(FuzzyFunctionSignalIsDrifting),
	FuzzyFunctionSignalIsStable(FuzzyFunctionSignalIsStable),
	// FuzzyFunctionSignalConditionLookBack(
	// FuzzyFunctionSignalConditionLookBack),
	// FuzzyFunctionSignalConditionHistoryDesicion(
	// FuzzyFunctionSignalConditionHistoryDesicion),
	// DriftLookbackRange(DriftLookbackRange),
	SampleHistorySize(SampleHistorySize), DABSize(DABSize),
	DABHistorySize(DABHistorySize) {
	this->NextStateID = 1;
	this->StateHasChanged = false;
	+ this->StateWasDeleted = false;
	+ this->StateWasCreated = false;
	}

	/// Destroys \p this object.
	~SignalStateDetector(void) = default;

	/// Detects the signal state to which the new sample belongs or create a new
	/// signal state if the new sample does not match to any of the saved states.
	///
	/// \param Sample is the actual sample of the observed signal.
	///
	/// \return the information of the current signal state (signal state ID and
	/// other parameters).
	// TODO (future): change this function to an operator()-function
	SignalStateInformation<CONFDATATYPE>
	detectSignalState(INDATATYPE Sample) noexcept {
	+ this->StateHasChanged = false;
	+ this->StateWasDeleted = false;
	+ this->StateWasCreated = false;
	+
	if (!CurrentSignalState) {
	ASSERT(DetectedSignalStates.empty());
	SignalStatePtr S = createNewSignalState();
	CurrentSignalState = S;
	} else {
	// TODO (future): maybe there is a better way than a relative distance
	// comparison. Maybe somehow a mix of relative and absolute?
	CONFDATATYPE ConfidenceSampleMatchesSignalState =
	CurrentSignalState->confidenceSampleMatchesSignalState(Sample);
	CONFDATATYPE ConfidenceSampleMismatchesSignalState =
	CurrentSignalState->confidenceSampleMismatchesSignalState(Sample);

	this->StateHasChanged = ConfidenceSampleMatchesSignalState <=
	ConfidenceSampleMismatchesSignalState;

	if (this->StateHasChanged) {
	+ this->StateWasDeleted = !CurrentSignalState->signalStateInformation().StateIsValid;
	if (CurrentSignalState->signalStateInformation().StateIsValid)
	CurrentSignalState->leaveSignalState();
	else
	DetectedSignalStates.deleteEntry(CurrentSignalState);

	// TODO (future): additionally save averages to enable fast iteration
	// through recorded signl state history (maybe sort vector based on
	// these average values)
	CurrentSignalState = nullptr;

	for (auto &SavedSignalState : DetectedSignalStates) {
	ConfidenceSampleMatchesSignalState =
	SavedSignalState->confidenceSampleMatchesSignalState(Sample);
	ConfidenceSampleMismatchesSignalState =
	SavedSignalState->confidenceSampleMismatchesSignalState(Sample);

	if (ConfidenceSampleMatchesSignalState >
	ConfidenceSampleMismatchesSignalState) {
	// TODO (future): maybe it would be better to compare
	// ConfidenceSampleMatchesSignalState of all signal states in the
	// vector in order to find the best matching signal state.
	CurrentSignalState = SavedSignalState;
	break;
	}
	}

	if (!CurrentSignalState) {
	SignalStatePtr S = createNewSignalState();
	CurrentSignalState = S;
	}
	}
	}

	SignalStateInformation<CONFDATATYPE> SignalStateInfo =
	CurrentSignalState->insertSample(Sample);

	if (SignalStateInfo.StateJustGotValid) {
	this->NextStateID++;
	}

	return SignalStateInfo;
	}

	/// Gives information about the current signal state.
	///
	/// \return a struct SignalStateInformation that contains information about
	/// the current signal state or NULL if no current signal state exists.
	SignalStateInformation<CONFDATATYPE>
	currentSignalStateInformation(void) noexcept {
	if (CurrentSignalState) {
	return CurrentSignalState->signalStateInformation();
	} else {
	return NULL;
	}
	}

	/// Gives information whether a signal state change has happened or not.
	///
	/// \return true if a signal state change has happened, and false if not.
	bool stateHasChanged(void) noexcept { return this->StateHasChanged; }

	+ /// Gives information whether a signal state has been created or not.
	+ ///
	+ /// \return true if a signal state has been deleted, and false if not.
	+ bool stateWasDeleted(void) noexcept { return this->StateWasDeleted; }
	+
	+ /// Gives information whether a signal state has been created or not.
	+ ///
	+ /// \return true if a signal state has been created, and false if not.
	+ bool stateWasCreated(void) noexcept { return this->StateWasCreated; }
	+
	+
	private:
	/// Creates a new signal state and adds it to the signal state vector in which
	/// all known states are saved.
	///
	/// \return a pointer to the newly created signal state or NULL if no state
	/// could be created.
	SignalStatePtr createNewSignalState(void) noexcept {
	SignalStatePtr S(new SignalState<INDATATYPE, CONFDATATYPE, PROCDATATYPE>(
	this->NextStateID, SignalProperty, SampleHistorySize, DABSize,
	DABHistorySize, *FuzzyFunctionSampleMatches,
	FuzzyFunctionSampleMismatches, FuzzyFunctionNumOfSamplesMatches,
	FuzzyFunctionNumOfSamplesMismatches, FuzzyFunctionSampleValid,
	FuzzyFunctionSampleInvalid, FuzzyFunctionNumOfSamplesValid,
	FuzzyFunctionNumOfSamplesInvalid, FuzzyFunctionSignalIsDrifting,
	FuzzyFunctionSignalIsStable //, FuzzyFunctionSignalConditionLookBack,
	//*FuzzyFunctionSignalConditionHistoryDesicion, DriftLookbackRange
	));

	DetectedSignalStates.addEntry(S);
	+ this->StateWasCreated = true;

	return S;
	}
	};

	} // End namespace agent
	} // End namespace rosa

	#endif // ROSA_AGENT_SIGNALSTATEDETECTOR_HPP
	diff --git a/include/rosa/agent/StateDetector.hpp b/include/rosa/agent/StateDetector.hpp
	index 6f3d7ce..8855e56 100644
	--- a/include/rosa/agent/StateDetector.hpp
	+++ b/include/rosa/agent/StateDetector.hpp
	@@ -1,64 +1,72 @@
	//===-- rosa/agent/StateDetector.hpp ----------------------- C++ --===//
	//
	// The RoSA Framework
	//
	// Distributed under the terms and conditions of the Boost Software License 1.0.
	// See accompanying file LICENSE.
	//
	// If you did not receive a copy of the license file, see
	// http://www.boost.org/LICENSE_1_0.txt.
	//
	//===----------------------------------------------------------------------===//
	///
	/// \file rosa/agent/StateDetector.hpp
	///
	/// \author Maximilian Götzinger (maximilian.goetzinger@tuwien.ac.at)
	///
	/// \date 2019
	///
	/// \brief Definition of state detector functionality.
	///
	//===----------------------------------------------------------------------===//

	#ifndef ROSA_AGENT_STATEDETECTOR_HPP
	#define ROSA_AGENT_STATEDETECTOR_HPP

	#include "rosa/agent/FunctionAbstractions.hpp"
	#include "rosa/agent/History.hpp"

	#include <vector>

	namespace rosa {
	namespace agent {

	template <typename INDATATYPE, typename CONFDATATYPE, typename PROCDATATYPE,
	HistoryPolicy HP>
	class StateDetector : public Functionality {

	// Make sure the actual type arguments are matching our expectations.
	STATIC_ASSERT((std::is_arithmetic<INDATATYPE>::value),
	"input data type not arithmetic");
	STATIC_ASSERT((std::is_arithmetic<CONFDATATYPE>::value),
	"confidence abstraction type is not to arithmetic");
	STATIC_ASSERT((std::is_arithmetic<PROCDATATYPE>::value),
	"process type is not to arithmetic");

	protected:
	using PartFuncPointer =
	std::shared_ptr<PartialFunction<INDATATYPE, CONFDATATYPE>>;
	using StepFuncPointer =
	std::shared_ptr<StepFunction<INDATATYPE, CONFDATATYPE>>;

	/// The NextSignalStateID is a counter variable which stores the ID which the
	/// next signal state shall have.
	uint32_t NextStateID;

	/// The SignalStateHasChanged is a flag that show whether a signal has changed
	/// its state.
	bool StateHasChanged;
	+
	+ /// The SignalStateWasDeleted is a flag that show whether a signal state has
	+ /// been deleted.
	+ bool StateWasDeleted;
	+
	+ /// The SignalStateWasCreated is a flag that show whether a signal state has
	+ /// been created.
	+ bool StateWasCreated;
	};

	} // End namespace agent
	} // End namespace rosa

	#endif // ROSA_AGENT_SIGNALSTATEDETECTOR_HPP

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