prim_dijkstra_visitor.hpp

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/*PGR-GNU*****************************************************************
File: prim_dijkstra_visitor.hpp
 
Copyright (c) 2018 pgRouting developers
Mail: project@pgrouting.org
 
Copyright (c) 2018 Aditya Pratap Singh
adityapratap.singh28@gmail.com
 
------
 
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
 
This program 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 General Public License for more details.
 
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 
 ********************************************************************PGR-GNU*/
#ifndef INCLUDE_VISITORS_PRIM_DIJKSTRA_VISITOR_HPP_
#define INCLUDE_VISITORS_PRIM_DIJKSTRA_VISITOR_HPP_
#pragma once
 
#include <boost/graph/dijkstra_shortest_paths.hpp>
#include <vector>
 
 
namespace pgrouting {
namespace  visitors {
 
/* Prim */
template <class V>
class Prim_dijkstra_visitor : public boost::default_dijkstra_visitor {
 public:
     explicit Prim_dijkstra_visitor(
             std::vector<V> &data) :
         m_data(data)  {}
     template <class B_G>
         void finish_vertex(V v, B_G&) {
             m_data.push_back(v);
         }
 private:
     std::vector<V> &m_data;
};
 
}  // namespace visitors
}  // namespace pgrouting
 
#endif  // INCLUDE_VISITORS_PRIM_DIJKSTRA_VISITOR_HPP_