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/*
Author: Juan Rada-Vilela, Ph.D.
Copyright (C) 2010-2014 FuzzyLite Limited
All rights reserved
This file is part of fuzzylite.
fuzzylite is free software: you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by the Free
Software Foundation, either version 3 of the License, or (at your option)
any later version.
fuzzylite 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 Lesser General Public License
for more details.
You should have received a copy of the GNU Lesser General Public License
along with fuzzylite. If not, see <http://www.gnu.org/licenses/>.
fuzzylite™ is a trademark of FuzzyLite Limited.
*/
#ifndef FL_RULE_H
#define FL_RULE_H
#include "fl/fuzzylite.h"
#include <map>
#include <string>
namespace fl {
class Engine;
class Antecedent;
class Consequent;
class Hedge;
class TNorm;
class SNorm;
class FL_API Rule {
protected:
std::string _text;
scalar _weight;
FL_unique_ptr<Antecedent> _antecedent;
FL_unique_ptr<Consequent> _consequent;
std::map<std::string, Hedge*> _hedges;
public:
explicit Rule(const std::string& text = "", scalar weight = 1.0);
Rule(const Rule& other);
Rule& operator=(const Rule& other);
virtual ~Rule();
FL_DEFAULT_MOVE(Rule)
virtual void setText(const std::string& text);
virtual std::string getText() const;
virtual void setWeight(scalar weight);
virtual scalar getWeight() const;
virtual void setAntecedent(Antecedent* antecedent);
virtual Antecedent* getAntecedent() const;
virtual void setConsequent(Consequent* consequent);
virtual Consequent* getConsequent() const;
virtual void addHedge(Hedge* hedge);
virtual Hedge* getHedge(const std::string& name) const;
virtual Hedge* removeHedge(const std::string& hedge);
virtual bool hasHedge(const std::string& name) const;
virtual int numberOfHedges() const;
virtual void setHedges(const std::map<std::string, Hedge*>& hedges);
virtual const std::map<std::string, Hedge*>& hedges() const;
virtual std::map<std::string, Hedge*>& hedges();
virtual scalar activationDegree(const TNorm* conjunction, const SNorm* disjunction) const;
virtual void activate(scalar degree, const TNorm* activation) const;
virtual std::string toString() const;
virtual bool isLoaded() const;
virtual void unload();
virtual void load(const Engine* engine);
virtual void load(const std::string& rule, const Engine* engine);
virtual Rule* clone() const;
static Rule* parse(const std::string& rule, const Engine* engine);
static std::string ifKeyword() {
return "if";
}
static std::string isKeyword() {
return "is";
}
static std::string thenKeyword() {
return "then";
}
static std::string andKeyword() {
return "and";
}
static std::string orKeyword() {
return "or";
}
static std::string withKeyword() {
return "with";
}
};
}
#endif /* FL_RULE_H */
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