/**
 * Stone of Orthanc
 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
 * Department, University Hospital of Liege, Belgium
 * Copyright (C) 2017 Osimis, Belgium
 *
 * This program is free software: you can redistribute it and/or
 * modify it under the terms of the GNU Affero 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
 * Affero General Public License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 **/


#pragma once

#include "IOracleCommand.h"

#include <boost/shared_ptr.hpp>
#include <boost/thread/mutex.hpp>

namespace OrthancStone
{
  class Oracle : public boost::noncopyable
  {
  private:
    class PImpl;
  
    boost::shared_ptr<PImpl>  pimpl_;

  public:
    Oracle(boost::mutex& globalMutex,
           unsigned int threadCount);

    Oracle(unsigned int threadCount);

    void Start();

    void Submit(IOracleCommand* command);
        
    void WaitEmpty();  // For unit tests

    void Stop();
  };
}