RDFGoal.cpp

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/*
 * This file is part of KnowRob, please consult
 * https://github.com/knowrob/knowrob for license details.
 */
 
#include <knowrob/reasoner/RDFGoal.h>
 
#include <utility>
#include "knowrob/integration/python/utils.h"
 
using namespace knowrob;
 
static SimpleConjunctionPtr makeSimpleConjunction(const std::vector<TriplePatternPtr> &literals) {
    std::vector<FirstOrderLiteralPtr> firstOrderLiterals;
    firstOrderLiterals.reserve(literals.size());
    for (const auto &literal : literals) {
        firstOrderLiterals.push_back(literal);
    }
    return std::make_shared<SimpleConjunction>(firstOrderLiterals);
}
 
RDFGoal::RDFGoal(const std::vector<TriplePatternPtr> &literals, const Goal &goal)
        : Goal(makeSimpleConjunction(literals), goal), rdfLiterals_(literals) {
}
 
RDFGoal::RDFGoal(const std::vector<TriplePatternPtr> &literals, const QueryContextPtr &ctx)
        : Goal(makeSimpleConjunction(literals), ctx), rdfLiterals_(literals) {
}
 
RDFGoal::RDFGoal(const TriplePatternPtr &literal, const QueryContextPtr &ctx)
        : Goal(literal, ctx), rdfLiterals_({literal}) {
}
 
namespace knowrob::py {
    template<>
    void createType<RDFGoal>() {
        using namespace boost::python;
 
        class_<RDFGoal, std::shared_ptr<RDFGoal>, bases<Goal>>
                ("RDFGoal", init<const std::vector<TriplePatternPtr> &, QueryContextPtr>())
                .def(init<const TriplePatternPtr &, QueryContextPtr>())
                .def("rdfLiterals", &RDFGoal::rdfLiterals, return_value_policy<copy_const_reference>());
    }
}