monitor_factory.hpp

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/*
 * Copyright (c) 2014-2022 Enrico M. Crisostomo
 *
 * 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 3, 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, see <http://www.gnu.org/licenses/>.
 */
#ifndef FSW__MONITOR_FACTORY_H
#  define FSW__MONITOR_FACTORY_H
 
#include "monitor.hpp"
 
namespace fsw
{
  class monitor_factory
  {
  public:
    static monitor *create_monitor(fsw_monitor_type type,
                                   std::vector<std::string> paths,
                                   FSW_EVENT_CALLBACK *callback,
                                   void *context = nullptr);

    static monitor *create_monitor(const std::string& name,
                                   std::vector<std::string> paths,
                                   FSW_EVENT_CALLBACK *callback,
                                   void *context = nullptr);

    static std::vector<std::string> get_types();

    static bool exists_type(const std::string& name);
 
    monitor_factory() = delete;
    monitor_factory(const monitor_factory& orig) = delete;
    monitor_factory& operator=(const monitor_factory& that) = delete;
  private:
    static std::map<std::string, fsw_monitor_type>& creators_by_string();
  };
}
 
#endif  /* FSW__MONITOR_FACTORY_H */