GraphPattern.h

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/*
 * This file is part of KnowRob, please consult
 * https://github.com/knowrob/knowrob for license details.
 */
 
#ifndef KNOWROB_GRAPH_PATTERN_H
#define KNOWROB_GRAPH_PATTERN_H
 
#include "knowrob/semweb/GraphTerm.h"
#include "knowrob/semweb/TriplePattern.h"
 
namespace knowrob {
    class GraphPattern : public GraphTerm {
    public:
        explicit GraphPattern(TriplePatternPtr pattern)
                : GraphTerm(GraphTermType::Pattern),
                  pattern_(std::move(pattern)) {}
 
        explicit GraphPattern(const TermPtr &subject, const TermPtr &predicate, const TermPtr &object)
                : GraphTerm(GraphTermType::Pattern) ,
                  pattern_(std::make_shared<TriplePattern>(subject, predicate, object)) {}
 
        const auto &value() const { return pattern_; }
 
        void write(std::ostream &os) const override { os << *pattern_; }
 
    protected:
        TriplePatternPtr pattern_;
    };
} // knowrob
 
#endif //KNOWROB_GRAPH_PATTERN_H