/*
  *  MoMEMta: a modular implementation of the Matrix Element Method
  *  Copyright (C) 2016  Universite catholique de Louvain (UCL), Belgium
  *
  *  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 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, see <http://www.gnu.org/licenses/>.
  */
 
 // Heavily inspired by spdlog, Copyright(c) 2015 Gabi Melman
 
 #pragma once
 
 #include <momemta/impl/logger/sink.h>
 
 #include <mutex>
 
 namespace logger {
 
 namespace sinks {
 
 template <class Mutex>
 class base_sink: public sink {
 public:
     base_sink(): _mutex() {}
     virtual ~base_sink() = default;
 
     base_sink(const base_sink&) = delete;
     base_sink& operator=(const base_sink&) = delete;
 
     void log(const details::log_msg& msg) override {
         std::lock_guard<Mutex> lock(_mutex);
         _sink_it(msg);
     }
 
 protected:
     virtual void _sink_it(const details::log_msg& msg) = 0;
     Mutex _mutex;
 };
 
 }
 
 }