zd_coord_obj_stream.hpp

/* zd_coord_obj_stream.hpp */
/* $Id: zd_coord_obj_stream.hpp,v 1.2 2007/04/13 19:57:50 vlad Exp $ */
#ifndef __zd_coord_obj_stream_hpp
#define __zd_coord_obj_stream_hpp

#include "zqb_types.h"
#include "zd_document.hpp"


class ZdCoordObjStream : public ZdDocument
{
public:

  ZdCoordObjStream (const char* szDocName = NULL);


  virtual void      setCustomCoord (int iCoordId,
                    ZqbOrder eOrder = Z_O_ASCENT);

  virtual void      setSecondaryOrder (int iSecondaryId,
                       ZqbOrder eOrder = Z_O_ASCENT);

  virtual void      setTertiaryOrder (int iTertiaryId,
                      ZqbOrder eOrder = Z_O_ASCENT);

  virtual bool      getCoordRange (double c[2]) = 0;

  virtual double    averageCoordStep () = 0;

  virtual int       maxEnsembleLength () = 0;


  /*
   * Iterator methods.
   */

  virtual bool      goFirstCoord () = 0;

  virtual bool      goNextCoord () = 0;

  virtual double    coord () = 0;

  virtual int       ensembleLength () = 0;

  virtual void*     custom (int ens_index = 0,
                ZqbType* pRetType = NULL) { return NULL; }

private:

  static int        s_iNameCounter;

  static char       *s_szOwnType;

};


#endif /* zd_coord_obj_stream.hpp */