#ifndef TECALChannelMap_hxx
#define TECALChannelMap_hxx

#include "IChannelMap.hxx"

#include "IECALChannelId.hxx"

class IECALChannelMap;

namespace COMET {
  class IECALChannelMap;
}

/// Class for ECAL channel to geometry lookup
class COMET::IECALChannelMap : public COMET::IChannelMap {
  friend class IGeometryDatabase;
protected:
  IECALChannelMap();
public:
  virtual ~IECALChannelMap();

  /// Get the singleton instace of this class
  static IECALChannelMap& Get();

  /// Get geometry id from channel id
  virtual bool GetGeometryId(COMET::IGeometryId& geomId,
                             COMET::IECALChannelId channelId);
  ///Get ECAL channel id from geometry id
  virtual bool GetChannelId(COMET::IECALChannelId& chanelId,
                            COMET::IGeometryId geomId);
  ///Get ECALTrig channel id from geometry id
  virtual bool GetChannelId(COMET::IECALTrigChannelId& chanelId,
                            COMET::IGeometryId geomId);

private:
  ///Return a bad GeometryId that is invalid for any sensible test
  ///Note that the exact value meaningless and should not be relied upon.
  inline const COMET::IGeometryId BadGeomId() const;
  ///Return a bad ChannelId that is invalid for any sensible test
  ///Note that the exact value meaningless and should not be relied upon.
  inline const COMET::IECALChannelId BadChanId() const;

  static IECALChannelMap *fECALChannelMap;
};

#endif