Resource.hpp

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// ANNA - Anna is Not Nothingness Anymore                                                         //
//                                                                                                //
// (c) Copyright 2005-2015 Eduardo Ramos Testillano & Francisco Ruiz Rayo                         //
//                                                                                                //
// See project site at http://redmine.teslayout.com/projects/anna-suite                           //
// See accompanying file LICENSE or copy at http://www.teslayout.com/projects/public/anna.LICENSE //


#ifndef anna_core_mt_Resource_hpp
#define anna_core_mt_Resource_hpp

#include <anna/core/mt/Mutex.hpp>
#include <anna/core/mt/Guard.hpp>
#include <anna/config/defines.hpp>
#include <anna/core/util/Millisecond.hpp>

namespace anna {

namespace xml {
class Node;
}

class Resource : public Mutex {
public:
  Resource(const std::string& name) :
    Mutex(),
    a_name(name),
    a_isEnabled(true),
    a_timeStamp(0)
  {;}

  const std::string& getName() const { return a_name; }

  bool isEnabled() const { return a_isEnabled; }

  void setTimeStamp(const Millisecond &timeStamp) { a_timeStamp = timeStamp; }

  /*
  * Devuelve la marca de tiempo asociada al recurso.
  * \return la marca de tiempo asociada al recurso.
  */
  const Millisecond &getTimeStamp() const { return a_timeStamp; }

  bool operator == (const std::string& name) const { return a_name == name; }

  bool operator == (const Resource& other) const { return a_name == other.a_name; }

  void enable() noexcept(false)  { Guard guard(this, "Resource"); a_isEnabled = true;   }

  void disable() noexcept(false)  { Guard guard(this, "Resource"); a_isEnabled = false;  }

  virtual std::string asString() const ;

  virtual bool isAvailable() const noexcept(false) = 0;

private:
  const std::string a_name;
  bool a_isEnabled;
  Millisecond a_timeStamp;
};

}

#endif