/*
 * Channels.hpp
 *
 *  Created on: Dec 1, 2011
 *      Author: heber
 */

#ifndef CHANNELS_HPP_
#define CHANNELS_HPP_

// include config.h
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <map>

#include "CodePatterns/Observer/defs.hpp"

/** Channels aggregate all possible Notifications of an Observable.
 *
 * Usually, one implements an enumeration of the channel number which is
 * visible to the outside only.
 *
 */
class Channels {
public:
  Channels();
  virtual ~Channels();

  void addChannel(size_t no);

  Notification_ptr getChannel(size_t no) const;
  size_t getType(Notification_ptr channel) const;

protected:
  void removeChannel(size_t no);

private:
  typedef std::map< size_t, Notification_ptr> NotificationTypetoRefMap;

  NotificationTypetoRefMap ChannelMap;
};

#endif /* CHANNELS_HPP_ */