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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.
*/
#include "fl/imex/JavaExporter.h"
#include "fl/Headers.h"
#include <algorithm>
namespace fl {
JavaExporter::JavaExporter() : Exporter() {
}
JavaExporter::~JavaExporter() {
}
std::string JavaExporter::name() const {
return "JavaExporter";
}
std::string JavaExporter::toString(const Engine* engine) const {
std::ostringstream ss;
ss << "Engine engine = new Engine();\n";
ss << "engine.setName(\"" << engine->getName() << "\");\n";
ss << "\n";
for (int i = 0; i < engine->numberOfInputVariables(); ++i) {
ss << toString(engine->getInputVariable(i), engine) << "\n";
}
for (int i = 0; i < engine->numberOfOutputVariables(); ++i) {
ss << toString(engine->getOutputVariable(i), engine) << "\n";
}
for (int i = 0; i < engine->numberOfRuleBlocks(); ++i) {
ss << toString(engine->getRuleBlock(i), engine) << "\n";
}
return ss.str();
}
std::string JavaExporter::toString(const InputVariable* inputVariable, const Engine* engine) const {
std::ostringstream ss;
std::string name = "inputVariable";
if (engine->numberOfInputVariables() > 1) {
int index = std::distance(engine->inputVariables().begin(),
std::find(engine->inputVariables().begin(),
engine->inputVariables().end(), inputVariable));
name += Op::str<int>(index + 1);
}
ss << "InputVariable " << name << " = new InputVariable();\n";
ss << name << ".setEnabled(" << (inputVariable->isEnabled() ? "true" : "false") << ");\n";
ss << name << ".setName(\"" << inputVariable->getName() << "\");\n";
ss << name << ".setRange("
<< toString(inputVariable->getMinimum()) << ", "
<< toString(inputVariable->getMaximum()) << ");\n";
for (int i = 0; i < inputVariable->numberOfTerms(); ++i) {
ss << name << ".addTerm(" <<
toString(inputVariable->getTerm(i)) << ");\n";
}
ss << "engine.addInputVariable(" << name << ");\n";
return ss.str();
}
std::string JavaExporter::toString(const OutputVariable* outputVariable, const Engine* engine) const {
std::ostringstream ss;
std::string name = "outputVariable";
if (engine->numberOfOutputVariables() > 1) {
int index = std::distance(engine->outputVariables().begin(),
std::find(engine->outputVariables().begin(),
engine->outputVariables().end(), outputVariable));
name += Op::str<int>(index + 1);
}
ss << "OutputVariable " << name << " = new OutputVariable();\n";
ss << name << ".setEnabled(" << (outputVariable->isEnabled() ? "true" : "false") << ");\n";
ss << name << ".setName(\"" << outputVariable->getName() << "\");\n";
ss << name << ".setRange("
<< toString(outputVariable->getMinimum()) << ", "
<< toString(outputVariable->getMaximum()) << ");\n";
ss << name << ".fuzzyOutput().setAccumulation(" <<
toString(outputVariable->fuzzyOutput()->getAccumulation()) << ");\n";
ss << name << ".setDefuzzifier(" <<
toString(outputVariable->getDefuzzifier()) << ");\n";
ss << name << ".setDefaultValue(" <<
toString(outputVariable->getDefaultValue()) << ");\n";
ss << name << ".setLockPreviousOutputValue(" <<
(outputVariable->isLockedPreviousOutputValue() ? "true" : "false") << ");\n";
ss << name << ".setLockOutputValueInRange(" <<
(outputVariable->isLockedOutputValueInRange() ? "true" : "false") << ");\n";
for (int i = 0; i < outputVariable->numberOfTerms(); ++i) {
ss << name << ".addTerm(" <<
toString(outputVariable->getTerm(i)) << ");\n";
}
ss << "engine.addOutputVariable(" << name << ");\n";
return ss.str();
}
std::string JavaExporter::toString(const RuleBlock* ruleBlock, const Engine* engine) const {
std::ostringstream ss;
std::string name = "ruleBlock";
if (engine->numberOfRuleBlocks() > 1) {
int index = std::distance(engine->ruleBlocks().begin(),
std::find(engine->ruleBlocks().begin(),
engine->ruleBlocks().end(), ruleBlock));
name += Op::str<int>(index + 1);
}
ss << "RuleBlock " << name << " = new RuleBlock();\n";
ss << name << ".setEnabled(" << (ruleBlock->isEnabled() ? "true" : "false") << ");\n";
ss << name << ".setName(\"" << ruleBlock->getName() << "\");\n";
ss << name << ".setConjunction("
<< toString(ruleBlock->getConjunction()) << ");\n";
ss << name << ".setDisjunction("
<< toString(ruleBlock->getDisjunction()) << ");\n";
ss << name << ".setActivation("
<< toString(ruleBlock->getActivation()) << ");\n";
for (int i = 0; i < ruleBlock->numberOfRules(); ++i) {
Rule* rule = ruleBlock->getRule(i);
ss << name << ".addRule(Rule.parse(\"" << rule->getText() << "\", engine));\n";
}
ss << "engine.addRuleBlock(" << name << ");\n";
return ss.str();
}
std::string JavaExporter::toString(const Term* term) const {
if (not term) {
return "null";
}
if (const Discrete * discrete = dynamic_cast<const Discrete*> (term)) {
std::ostringstream ss;
std::vector<scalar> xy;
ss << term->className() << ".create(\"" << term->getName() << "\", "
<< Op::join(Discrete::toVector(discrete->xy()), ", ") << ")";
return ss.str();
}
if (const Function * function = dynamic_cast<const Function*> (term)) {
std::ostringstream ss;
ss << term->className() << ".create(\"" << term->getName() << "\", "
<< "\"" << function->getFormula() << "\", engine)";
return ss.str();
}
if (const Linear * linear = dynamic_cast<const Linear*> (term)) {
std::ostringstream ss;
ss << term->className() << ".create(\"" << term->getName() << "\", "
<< "engine, " << Op::join(linear->coefficients(), ", ") << ")";
return ss.str();
}
std::ostringstream ss;
ss << "new " << term->className() << "(\"" << term->getName() << "\", "
<< Op::findReplace(term->parameters(), " ", ", ") << ")";
return ss.str();
}
std::string JavaExporter::toString(const Defuzzifier* defuzzifier) const {
if (not defuzzifier) return "null";
if (const IntegralDefuzzifier * integralDefuzzifier =
dynamic_cast<const IntegralDefuzzifier*> (defuzzifier)) {
return "new " + integralDefuzzifier->className() + "("
+ fl::Op::str(integralDefuzzifier->getResolution()) + ")";
}
if (const WeightedDefuzzifier * weightedDefuzzifier =
dynamic_cast<const WeightedDefuzzifier*> (defuzzifier)) {
return "new " + weightedDefuzzifier->className() +
"(\"" + weightedDefuzzifier->getTypeName() + "\")";
}
return "new " + defuzzifier->className() + "()";
}
std::string JavaExporter::toString(const Norm* norm) const{
if (not norm) return "null";
return "new " + norm->className() + "()";
}
std::string JavaExporter::toString(const TNorm* norm) const {
if (not norm) return "null";
return "new " + norm->className() + "()";
}
std::string JavaExporter::toString(const SNorm* norm) const {
if (not norm) return "null";
return "new " + norm->className() + "()";
}
std::string JavaExporter::toString(scalar value) const {
if (Op::isNaN(value)) {
return "Double.NaN";
} else if (Op::isInf(value)) {
return (value > 0
? "Double.POSITIVE_INFINITY"
: "Double.NEGATIVE_INFINITY");
}
return Op::str(value);
}
JavaExporter* JavaExporter::clone() const {
return new JavaExporter(*this);
}
}
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