// -*- mode: c++ -*- 
//
// $Id: BrRootCalibrationsDb.h,v 1.1 2001/10/08 10:41:35 cholm Exp $
// $Author: cholm $
// $Date: 2001/10/08 10:41:35 $
// $Copyright: 2000 Brahms Collaboration 
// 
#ifndef BRAT_BrRootCalibrationsDb
#define BRAT_BrRootCalibrationsDb
#ifndef BRAT_BrCalibrationsDb
#include "BrCalibrationsDb.h"
#endif
#ifndef BRAT_BrRootDb
#include "BrRootDb.h"
#endif

class BrRootCalibrationsDb : public BrCalibrationsDb
{
private:
  TObjArray* fRevision;       // Cache 
  TObjArray* fRevisionType;   // Cache
  TObjArray* fParameter;      // Cache

  void RevisionSort(TObjArray& a, Bool_t asc, Int_t which);
public:
  BrRootCalibrationsDb(const Char_t* name="", const Char_t* title="");
  
  static BrCalibrationsDb* Instance(void);

  Bool_t            Connect(Option_t* option);

  void              AddRevision(BrDbRevision* revision);
  void              AddRevisionType(BrDbRevisionType* type);
  void              AddParameter(BrDbParameter* param);

  BrDbParameter*    GetParameter(const Char_t* condition);
  BrDbRevision*     GetRevision(const Char_t* condition);
  BrDbRevisionType* GetRevisionType(const Char_t* condition);

  TObjArray*        GetXParameter(const Char_t* condition);
  TObjArray*        GetXRevision(const Char_t* condition);
  TObjArray*        GetXRevisionType(const Char_t* condition);

  // Specific Queries
  BrDbParameter*    GetParameter(const Char_t* name, Int_t detectorId);
  BrDbRevision*     GetRevision(Int_t parameterId, Int_t start, 
				Int_t stop=-1, Int_t typeId=-1,
				Int_t parameterPolicy=0);
  BrDbRevisionType* GetRevisionType(const Char_t* name, 
				    const Char_t* inComment);
  

  ClassDef(BrRootCalibrationsDb,0) // Calibration Database connection (ROOT)
}
;

#endif