PrologBackend.h

Go to the documentation of this file.

/*
 * This file is part of KnowRob, please consult
 * https://github.com/knowrob/knowrob for license details.
 */
 
#ifndef KNOWROB_PROLOG_BACKEND_H
#define KNOWROB_PROLOG_BACKEND_H
 
#include "knowrob/storage/QueryableStorage.h"
#include "PrologTerm.h"
 
namespace knowrob {
    class PrologBackend : public QueryableStorage {
    public:
        PrologBackend();
 
        ~PrologBackend() override = default;
 
        static bool removeAll();
 
        bool initializeBackend();
 
        // override DataBackend
        bool initializeBackend(const PropertyTree &cfg) override;
 
        // override DataBackend
        bool insertOne(const Triple &triple) override;
 
        // override DataBackend
        bool insertAll(const TripleContainerPtr &triples) override;
 
        // override DataBackend
        bool removeOne(const Triple &triple) override;
 
        // override DataBackend
        bool removeAll(const TripleContainerPtr &triples) override;
 
        // override DataBackend
        bool removeAllWithOrigin(std::string_view origin) override;
 
        // override QueryableBackend
        bool isPersistent() const override;
 
        // override QueryableBackend
        void batch(const TripleHandler &callback) const override;
 
        // override QueryableBackend
        void batchOrigin(std::string_view origin, const TripleHandler &callback) override;
 
        // override QueryableBackend
        void query(const GraphQueryPtr &query, const BindingsHandler &callback) override;
 
        // override QueryableBackend
        void count(const ResourceCounter &callback) const override;
 
    protected:
        static PrologTerm transaction(std::string_view rdf_functor, const TripleContainerPtr &triples);
    };
 
} // knowrob
 
#endif //KNOWROB_PROLOG_BACKEND_H