producer-db.hpp

/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil -*- */
#ifndef NDN_PRODUCER_DB_HPP
#define NDN_PRODUCER_DB_HPP

#include "../util/blob.hpp"

namespace ndn {

class ProducerDb {
public:
  class Error : public std::exception {
  public:
    Error(const std::string& errorMessage) throw();

    virtual ~Error() throw();

    std::string
    Msg() const { return errorMessage_; }

    virtual const char*
    what() const throw();

  private:
    const std::string errorMessage_;
  };

  virtual
  ~ProducerDb();

  virtual bool
  hasContentKey(MillisecondsSince1970 timeSlot) = 0;

  virtual Blob
  getContentKey(MillisecondsSince1970 timeSlot) = 0;

  virtual void
  addContentKey(MillisecondsSince1970 timeSlot, const Blob& key) = 0;

  virtual void
  deleteContentKey(MillisecondsSince1970 timeSlot) = 0;

protected:
  static int
  getFixedTimeSlot(MillisecondsSince1970 timeSlot);
};

}

#endif