#ifndef VEGA_VNtuplePlayer
#define VEGA_VNtuplePlayer

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

//////////////////////////////////////////////////////////////////////////
//                                                                      //
// VNtuplePlayer                                                        //
//                                                                      //
// A VNtuple is an ntuple containing slow monitoring data               //
// The player will allow one to draw some plots related to this         //
// VNtuple.                                                             //
// The vntuple player is loaded only when needed by the system, it is   //
// not linked at compile time with the program                          //
//                                                                      //
//////////////////////////////////////////////////////////////////////////

#ifndef ROOT_VNtuple
#include "VNtuple.h"
#endif
#ifndef ROOT_VVirtualNtuplePlayer
#include "VVirtualNtuplePlayer.h"
#endif

class VNtuplePlayer : public VVirtualNtuplePlayer {

private:
    VNtuple   *mNtuple;         // Pointer to current Ntuple

public:
    VNtuplePlayer();
    virtual ~VNtuplePlayer() {}
    virtual Int_t       DrawGraph(const char *varexp, const char *selection, Option_t *option=""
                          ,Int_t nentries=1000000000, Int_t firstentry=0);
    virtual Int_t       DrawSeries(const char *varexp, const char *selection, Option_t *option=""
                          ,Int_t nentries=1000000000, Int_t firstentry=0);
    virtual void        SetNtuple(VNtuple *vnt) {mNtuple = vnt;}

    ClassDef(VNtuplePlayer,0)  // manager class to play with metadatabases
};

#endif