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State.hpp
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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/FunctionAbstractions.hpp"
#include "rosa/agent/Functionality.h"
#include "rosa/agent/History.hpp"
namespace rosa {
namespace agent {
// QUESTION: I think a global variable is not fine, I think it would be better
// to have that in private in the class. However, I have no idea how to
// initialize it then.
static unsigned int StateIdCounter = 0;
/// \tparam INDATATYPE type of input data, \tparam DABSTORETYPE type of data
/// in which DABs are saved,
template <typename INDATATYPE, typename DABSTORETYPE>
class State : 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<DABSTORETYPE>::value),
"DAB storage type is not to arithmetic");
private:
using PartFuncPointer =
std::shared_ptr<PartialFunction<INDATATYPE, DABSTORETYPE>>;
unsigned int StateId;
DynamicLengthHistory<INDATATYPE, HistoryPolicy::FIFO> SampleHistory;
DynamicLengthHistory<INDATATYPE, HistoryPolicy::SRWF> DAB;
DynamicLengthHistory<DABSTORETYPE, HistoryPolicy::LIFO> DABHistory;
PartFuncPointer PartialFunctionSampleMatches;
PartFuncPointer PartialFunctionSampleMismatches;
PartFuncPointer PartialFunctionNumOfSamplesMatches;
PartFuncPointer PartialFunctionNumOfSamplesMismatches;
bool StateIsValid;
bool StateIsValidAfterReentrance;
public:
State(unsigned int sampleHistorySize, unsigned int DABSize,
unsigned int DABHistorySize,
PartFuncPointer PartialFunctionSampleMatches,
PartFuncPointer PartialFunctionSampleMismatches,
PartFuncPointer PartialFunctionNumOfSamplesMatches,
PartFuncPointer PartialFunctionNumOfSamplesMismatches) noexcept
: SampleHistory(sampleHistorySize), DAB(DABSize),
DABHistory(DABHistorySize),
PartialFunctionSampleMatches(PartialFunctionSampleMatches),
PartialFunctionSampleMismatches(PartialFunctionSampleMismatches),
PartialFunctionNumOfSamplesMatches(PartialFunctionNumOfSamplesMatches),
PartialFunctionNumOfSamplesMismatches(
PartialFunctionNumOfSamplesMismatches) {
/*
StateIsValid = false;
StateIsValidAfterReentrance = false;
*/
}
~State(void) = default;
void leaveState(void) {
DAB.clear();
StateIsValidAfterReentrance = false;
}
bool insertSample(INDATATYPE Sample) {
bool workedForAll; // maybe ignor that //auc hnicht abchecken einfach kübeln
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 (DAB.full()) {
DABSTORETYPE AvgOfDAB = DAB.average<DABSTORETYPE>();
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;
}
// DDAB confSampleMatchesState(DIN sample) { return NULL; }
// DDAB confSampleMismatchesState() {}
unsigned int stateId(void) { return StateId; }
};
} // End namespace agent
} // End namespace rosa
#endif // ROSA_AGENT_STATE_HPP

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