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/* Copyright (C) 2020 Alexander Bilgram <alexander@bilgram.dk>,
* Peter Haar Taankvist <ptaankvist@gmail.com>,
* Thomas Pedersen <thomas.pedersen@stofanet.dk>
* Andreas H. Klostergaard
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef COLOREDPETRINETBUILDER_H
#define COLOREDPETRINETBUILDER_H
#include <vector>
#include <unordered_map>
#include "../AbstractPetriNetBuilder.h"
#include "../PetriNetBuilder.h"
#include "BindingGenerator.h"
#include "IntervalGenerator.h"
#include "ArcIntervals.h"
namespace PetriEngine {
class ColoredPetriNetBuilder : public AbstractPetriNetBuilder {
public:
typedef std::unordered_map<std::string, std::unordered_map<uint32_t , std::string>> PTPlaceMap;
typedef std::unordered_map<std::string, std::vector<std::string>> PTTransitionMap;
public:
ColoredPetriNetBuilder();
ColoredPetriNetBuilder(const ColoredPetriNetBuilder& orig);
virtual ~ColoredPetriNetBuilder();
void addPlace(const std::string& name,
int tokens,
double x = 0,
double y = 0) override ;
void addPlace(const std::string& name,
Colored::ColorType* type,
Colored::Multiset&& tokens,
double x = 0,
double y = 0) override;
void addTransition(const std::string& name,
double x = 0,
double y = 0) override;
void addTransition(const std::string& name,
const Colored::GuardExpression_ptr& guard,
double x = 0,
double y = 0) override;
void addInputArc(const std::string& place,
const std::string& transition,
bool inhibitor,
int) override;
void addInputArc(const std::string& place,
const std::string& transition,
const Colored::ArcExpression_ptr& expr) override;
void addOutputArc(const std::string& transition,
const std::string& place,
int weight = 1) override;
void addOutputArc(const std::string& transition,
const std::string& place,
const Colored::ArcExpression_ptr& expr) override;
void addColorType(const std::string& id,
Colored::ColorType* type) override;
void sort() override;
double getUnfoldTime() const {
return _time;
}
double getFixpointTime() const {
return _fixPointCreationTime;
}
uint32_t getPlaceCount() const {
return _places.size();
}
uint32_t getMaxIntervals() const {
return _maxIntervals;
}
uint32_t getTransitionCount() const {
return _transitions.size();
}
uint32_t getArcCount() const {
uint32_t sum = 0;
for (auto& t : _transitions) {
sum += t.input_arcs.size();
sum += t.output_arcs.size();
}
return sum;
}
uint32_t getUnfoldedPlaceCount() const {
//return _nptplaces;
return _ptBuilder.numberOfPlaces();
}
uint32_t getUnfoldedTransitionCount() const {
return _ptBuilder.numberOfTransitions();
}
uint32_t getUnfoldedArcCount() const {
return _nptarcs;
}
bool isUnfolded() const {
return _unfolded;
}
const PTPlaceMap& getUnfoldedPlaceNames() const {
return _ptplacenames;
}
const PTTransitionMap& getUnfoldedTransitionNames() const {
return _pttransitionnames;
}
PetriNetBuilder& unfold();
PetriNetBuilder& stripColors();
void computePlaceColorFixpoint(uint32_t maxIntervals, uint32_t maxIntervalsReduced, int32_t timeout);
private:
std::unordered_map<std::string,uint32_t> _placenames;
std::unordered_map<std::string,uint32_t> _transitionnames;
std::unordered_map<uint32_t, std::unordered_map<uint32_t, Colored::ArcIntervals>> _arcIntervals;
std::unordered_map<uint32_t,std::vector<uint32_t>> _placePostTransitionMap;
std::unordered_map<uint32_t,FixpointBindingGenerator> _bindings;
PTPlaceMap _ptplacenames;
PTTransitionMap _pttransitionnames;
uint32_t _nptplaces = 0;
uint32_t _npttransitions = 0;
uint32_t _nptarcs = 0;
uint32_t _maxIntervals = 0;
PetriEngine::IntervalGenerator intervalGenerator;
std::vector<Colored::Place> _places;
std::vector<Colored::Transition> _transitions;
std::vector<Colored::Arc> _arcs;
std::vector<Colored::ColorFixpoint> _placeColorFixpoints;
ColorTypeMap _colors;
PetriNetBuilder _ptBuilder;
bool _unfolded = false;
bool _stripped = false;
std::vector<uint32_t> _placeFixpointQueue;
double _time;
double _fixPointCreationTime;
double _timer;
std::string arcToString(Colored::Arc& arc) const ;
void printPlaceTable();
std::unordered_map<uint32_t, Colored::ArcIntervals> setupTransitionVars(Colored::Transition transition);
void addArc(const std::string& place,
const std::string& transition,
const Colored::ArcExpression_ptr& expr,
bool input);
void getArcIntervals(Colored::Transition& transition, bool &transitionActivated, uint32_t max_intervals, uint32_t transitionId);
void processInputArcs(Colored::Transition& transition, uint32_t currentPlaceId, uint32_t transitionId, bool &transitionActivated, uint32_t max_intervals);
void processOutputArcs(Colored::Transition& transition);
void unfoldPlace(const Colored::Place* place, const PetriEngine::Colored::Color *color);
void unfoldTransition(Colored::Transition& transition);
void handleOrphanPlace(Colored::Place& place, std::unordered_map<std::string, uint32_t> unfoldedPlaceMap);
void unfoldArc(Colored::Arc& arc, Colored::ExpressionContext::BindingMap& binding, std::string& name, bool input);
};
//Used for checking if a variable is inside either a succ or pred expression
enum ExpressionType {
None,
Pred,
Succ
};
}
#endif /* COLOREDPETRINETBUILDER_H */
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