Breaker.h

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#ifndef OSMSCOUT_UTIL_BREAKER_H
#define OSMSCOUT_UTIL_BREAKER_H
 
/*
  This source is part of the libosmscout library
  Copyright (C) 2009  Tim Teulings
 
  This library 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 2.1 of the License, or (at your option) any later version.
 
  This library 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 this library; if not, write to the Free Software
  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307  USA
*/
 
#include <atomic>
#include <memory>
 
#include <osmscout/lib/CoreFeatures.h>
#include <osmscout/lib/CoreImportExport.h>
 
namespace osmscout {

  class OSMSCOUT_API Breaker
  {
  public:
    virtual ~Breaker() = default;

    virtual void Break() = 0;

    virtual bool IsAborted() const = 0;

    virtual void Reset() = 0;
  };
 
  using BreakerRef = std::shared_ptr<Breaker>;
 
  class OSMSCOUT_API ThreadedBreaker : public Breaker
  {
  private:
    std::atomic<bool> aborted{false};
 
  public:
    ThreadedBreaker() = default;
 
    void Break() override;
    bool IsAborted() const override;
    void Reset() override;
  };
}
 
#endif