hed.hpp

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/***************************************************************************
 *                                                                          *
 *   Copyright (C) 2018 by David B. Blumenthal                              *
 *                                                                          *
 *   This file is part of GEDLIB.                                           *
 *                                                                          *
 *   GEDLIB 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.                                    *
 *                                                                          *
 *   GEDLIB 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 GEDLIB. If not, see <http://www.gnu.org/licenses/>. *
 *                                                                          *
 ***************************************************************************/

#ifndef SRC_METHODS_HED_HPP_
#define SRC_METHODS_HED_HPP_

namespace ged {

template<class UserNodeLabel, class UserEdgeLabel>
class HED : public GEDMethod<UserNodeLabel, UserEdgeLabel> {

public:

    virtual ~HED();

    HED(const GEDData<UserNodeLabel, UserEdgeLabel> & ged_data);

private:

    LSAPESolver::Model lsape_model_;

    std::size_t num_threads_;

    // Inherited member functions from GEDMethod.

    virtual void ged_run_(const GEDGraph & g, const GEDGraph & h, Result & result) final;

    virtual bool ged_parse_option_(const std::string & option, const std::string & arg) final;

    virtual std::string ged_valid_options_string_() const final;

    virtual void ged_set_default_options_() final;

    // Helper member functions.

    void populate_instance_(const GEDGraph & g, const GEDGraph & h, DMatrix & lsape_instance) const;

    double compute_substitution_cost_(const GEDGraph & g, const GEDGraph & h, GEDGraph::NodeID i, GEDGraph::NodeID k) const;

    double compute_deletion_cost_(const GEDGraph & g, GEDGraph::NodeID i) const;

    double compute_insertion_cost_(const GEDGraph & h, GEDGraph::NodeID k) const;
};

}





#endif /* SRC_METHODS_HED_HPP_ */