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/*
fuzzylite (R), a fuzzy logic control library in C++.
Copyright (C) 2010-2017 FuzzyLite Limited. All rights reserved.
Author: Juan Rada-Vilela, Ph.D. <jcrada@fuzzylite.com>
This file is part of fuzzylite.
fuzzylite is free software: you can redistribute it and/or modify it under
the terms of the FuzzyLite License included with the software.
You should have received a copy of the FuzzyLite License along with
fuzzylite. If not, see <http://www.fuzzylite.com/license/>.
fuzzylite is a registered trademark of FuzzyLite Limited.
*/
#include "fl/rule/RuleBlock.h"
#include "fl/activation/General.h"
#include "fl/imex/FllExporter.h"
#include "fl/norm/TNorm.h"
#include "fl/norm/SNorm.h"
#include "fl/rule/Rule.h"
#include "fl/Operation.h"
namespace fl {
RuleBlock::RuleBlock(const std::string& name)
: _enabled(true), _name(name), _description("") { }
RuleBlock::RuleBlock(const RuleBlock& other) : _enabled(true), _name(other._name),
_description(other._description) {
copyFrom(other);
}
RuleBlock& RuleBlock::operator=(const RuleBlock& other) {
if (this != &other) {
for (std::size_t i = 0; i < _rules.size(); ++i) {
delete _rules.at(i);
}
_rules.clear();
_conjunction.reset(fl::null);
_disjunction.reset(fl::null);
_implication.reset(fl::null);
_activation.reset(fl::null);
copyFrom(other);
}
return *this;
}
void RuleBlock::copyFrom(const RuleBlock& source) {
_enabled = source._enabled;
_name = source._name;
_description = source._description;
if (source._conjunction.get()) _conjunction.reset(source._conjunction->clone());
if (source._disjunction.get()) _disjunction.reset(source._disjunction->clone());
if (source._implication.get()) _implication.reset(source._implication->clone());
if (source._activation.get()) _activation.reset(source._activation->clone());
for (std::size_t i = 0; i < source._rules.size(); ++i) {
_rules.push_back(source._rules.at(i)->clone());
}
}
RuleBlock::~RuleBlock() {
for (std::size_t i = 0; i < _rules.size(); ++i) {
delete _rules.at(i);
}
_rules.clear();
}
Complexity RuleBlock::complexity() const {
Complexity result;
result.comparison(1);
if (_activation.get()) {
result += _activation->complexity(this);
} else {
for (std::size_t i = 0; i < _rules.size(); ++i) {
result += _rules.at(i)->complexity(
_conjunction.get(), _disjunction.get(), _implication.get());
}
}
return result;
}
void RuleBlock::activate() {
if (not _activation.get()) {
_activation.reset(new General);
}
_activation->activate(this);
}
void RuleBlock::unloadRules() const {
for (std::size_t i = 0; i < _rules.size(); ++i) {
_rules.at(i)->unload();
}
}
void RuleBlock::loadRules(const Engine* engine) {
std::ostringstream exceptions;
bool throwException = false;
for (std::size_t i = 0; i < _rules.size(); ++i) {
Rule* rule = _rules.at(i);
if (rule->isLoaded()) {
rule->unload();
}
try {
rule->load(engine);
} catch (std::exception& ex) {
throwException = true;
exceptions << ex.what() << "\n";
}
}
if (throwException) {
Exception exception("[ruleblock error] the following "
"rules could not be loaded:\n" + exceptions.str(), FL_AT);
throw exception;
}
}
void RuleBlock::reloadRules(const Engine* engine) {
unloadRules();
loadRules(engine);
}
void RuleBlock::setName(std::string name) {
this->_name = name;
}
std::string RuleBlock::getName() const {
return this->_name;
}
void RuleBlock::setDescription(const std::string& description) {
this->_description = description;
}
std::string RuleBlock::getDescription() const {
return this->_description;
}
void RuleBlock::setConjunction(TNorm* tnorm) {
this->_conjunction.reset(tnorm);
}
TNorm* RuleBlock::getConjunction() const {
return this->_conjunction.get();
}
void RuleBlock::setDisjunction(SNorm* snorm) {
this->_disjunction.reset(snorm);
}
SNorm* RuleBlock::getDisjunction() const {
return this->_disjunction.get();
}
void RuleBlock::setImplication(TNorm* implication) {
this->_implication.reset(implication);
}
TNorm* RuleBlock::getImplication() const {
return this->_implication.get();
}
void RuleBlock::setActivation(Activation* activation) {
this->_activation.reset(activation);
}
Activation* RuleBlock::getActivation() const {
return this->_activation.get();
}
void RuleBlock::setEnabled(bool enabled) {
this->_enabled = enabled;
}
bool RuleBlock::isEnabled() const {
return this->_enabled;
}
std::string RuleBlock::toString() const {
return FllExporter().toString(this);
}
/**
* Operations for std::vector _rules
*/
void RuleBlock::addRule(Rule* rule) {
_rules.push_back(rule);
}
void RuleBlock::insertRule(Rule* rule, std::size_t index) {
_rules.insert(_rules.begin() + index, rule);
}
Rule* RuleBlock::getRule(std::size_t index) const {
return _rules.at(index);
}
Rule* RuleBlock::removeRule(std::size_t index) {
Rule* result = _rules.at(index);
_rules.erase(_rules.begin() + index);
return result;
}
std::size_t RuleBlock::numberOfRules() const {
return _rules.size();
}
const std::vector<Rule*>& RuleBlock::rules() const {
return this->_rules;
}
void RuleBlock::setRules(const std::vector<Rule*>& rules) {
this->_rules = rules;
}
std::vector<Rule*>& RuleBlock::rules() {
return this->_rules;
}
RuleBlock* RuleBlock::clone() const {
return new RuleBlock(*this);
}
}
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