#ifndef VEGA_VVirtualMetaDBPlayer
#define VEGA_VVirtualMetaDBPlayer

//*-- Author :    Damir Buskulic   22/11/00

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// VVirtualMetaDBPlayer                                                 //
//                                                                      //
// Abstract base class for metadatabase players                         //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#ifndef ROOT_TClass
#include "TClass.h"
#endif

class VVirtualFrameInfoDB;

class VVirtualMetaDBPlayer : public TObject {

private:
   static TClass   *fgPlayer; //Pointer to DB player

public:
    VVirtualMetaDBPlayer() { }
    virtual ~VVirtualMetaDBPlayer() { }
    virtual Int_t         Draw(const char* selexp, const char* selection="", Option_t* option = ""
                            , Double_t start = 0, Double_t length = 0) = 0;
    virtual void          SetFrameInfoDB(VVirtualFrameInfoDB *mdb) = 0;
        
    static VVirtualMetaDBPlayer* MetaDBPlayer(VVirtualFrameInfoDB *obj);
    static void                  SetPlayer(const char *player);

    ClassDef(VVirtualMetaDBPlayer,0)  //Abstract interface for metadatabase players
};

#endif