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State.hpp
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//===-- rosa/agent/State.hpp ----------------------------*- C++ -*-===//
//
// The RoSA Framework
//
//===----------------------------------------------------------------------===//
///
/// \file rosa/agent/State.hpp
///
/// \author Maximilian Götzinger (maximilian.goetzinger@tuwien.ac.at)
///
/// \date 2019
///
/// \brief Definition of *state* *functionality*.
///
//===----------------------------------------------------------------------===//
#ifndef ROSA_AGENT_STATE_HPP
#define ROSA_AGENT_STATE_HPP
#include "rosa/agent/Functionality.h"
#include "rosa/agent/History.hpp"
namespace rosa {
namespace agent {
/// \tparam DIN type of data of input, \tparam DDAB type of data in which DABs are saved,
/// \tparam DOUT type of data of abstracted value
template <typename DIN, typename DDAB, typename DOUT> class State : public Functionality {
private:
unsigned int StateId;
DynamicHistory<DIN, HistoryPolicy::FIFO> SampleHistory;
DynamicHistory<DIN, HistoryPolicy::SRWF> DAB;
DynamicHistory<DDAB, HistoryPolicy::LIFO> DABHistory;
std::shared_ptr<PartialFunction<DIN, DOUT>> PartialFunctionSampleMatches;
std::shared_ptr<PartialFunction<DIN, DOUT>> PartialFunctionSampleMismatches;
std::shared_ptr<PartialFunction<DIN, DOUT>> PartialFunctionNumOfSamplesMatches;
std::shared_ptr<PartialFunction<DIN, DOUT>> PartialFunctionNumOfSamplesMismatches;
bool StateIsValid;
bool StateIsValidAfterReentrance;
public:
State(unsigned int StateId, unsigned int sampleHistorySize, unsigned int DABSize,
unsigned int DABHistorySize, PartialFunction* PartialFunctionSampleMatches,
PartialFunction* PartialFunctionSampleMismatches,
PartialFunction* PartialFunctionNumOfSamplesMatches,
PartialFunction* PartialFunctionNumOfSamplesMismatches) noexcept :
SampleHistory(sampleHistorySize),
DAB(DABSize),
DABHistory(DABHistorySize) {
this->StateId = StateId;
this->PartialFunctionSampleMatches = PartialFunctionSampleMatches;
this->PartialFunctionSampleMismatches = PartialFunctionSampleMismatches;
this->PartialFunctionNumOfSamplesMatches = PartialFunctionNumOfSamplesMatches;
this->PartialFunctionNumOfSamplesMismatches = PartialFunctionNumOfSamplesMismatches;
StateIsValid = false;
StateIsValidAfterReentrance = false;
}
//TODO: static assert -> check:
// 1) if DIN == arithmetic,
// 2) if DDAB == float, double, ...?
// 3) output could be arithemtic or char/string, right?
~State(void) = default;
void leaveState(void) {
//QUESTION: is it important to check first if DAB is empty?
if(!DAB.empty()) {
DAB.clear();
}
StateIsValidAfterReentrance = false;
}
bool insertSample(D Sample) {
bool workedForAll;
workedForAll = SampleHistory.addEntry(Sample);
//QUESTION: is it important to have this flag (workedForAll). What should I do if it does not work at some point?
if (workedForAll) {
workedForAll &= DAB.addEntry(Sample);
if (workedForAll) {
if (numberOfEntries >= DAB) {
DOUT AvgOfDAB = template average<DOUT>();
workedForAll &= DABHistory.addEntry(AvgOfDAB);
if(workedForAll) {
DAB.clear();
} //QUESTION: - what should be done if it has not worked?
}
if(workedForAll) {
//TODO: calculate whether state is valid
}
}
}
return workedForAll;
}
DOUT confSampleMatchesState (DIN sample) {
}
DOUT confSampleMismatchesState () {
}
unsigned int stateId(void) { return StateId; }
};
} // End namespace agent
} // End namespace rosa
#endif // ROSA_AGENT_STATE_HPP

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