TBasketSQL.h

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// @(#)root/tree:$Id$
// Author: Philippe Canal 2005
 
/*************************************************************************
 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers.               *
 * All rights reserved.                                                  *
 *                                                                       *
 * For the licensing terms see $ROOTSYS/LICENSE.                         *
 * For the list of contributors see $ROOTSYS/README/CREDITS.             *
 *************************************************************************/
 
#ifndef TBASKETSQL_H
#define TBASKETSQL_H
 
//////////////////////////////////////////////////////////////////////////
//                                                                      //
// TBasketSQL                                                           //
//                                                                      //
// Implement TBasket for a SQL backend                                  //
//                                                                      //
//////////////////////////////////////////////////////////////////////////
 
#include <vector>
#include "TBasket.h"
 
class TSQLResult;
class TSQLRow;
class TBufferSQL;
 
class TBasketSQL : public TBasket
{
 
private:
   TBasketSQL(const TBasketSQL&);            // TBasketSQL objects are not copiable.
   TBasketSQL& operator=(const TBasketSQL&); // TBasketSQL objects are not copiable.
 
protected:
   TSQLResult **fResultPtr;    //!
   TSQLRow    **fRowPtr;       //!
   TString      *fInsertQuery; //!
 
public:
   TBasketSQL();
   TBasketSQL(const char *name, const char *title,
              TBranch *branch, TSQLResult **rs,
              TString *insert_query, std::vector<Int_t> *vc, TSQLRow **row);
   ~TBasketSQL();
   void    PrepareBasket(Long64_t entry);
   virtual Int_t   ReadBasketBuffers(Long64_t pos, Int_t len, TFile *file);
   virtual Int_t   ReadBasketBytes(Long64_t pos, TFile *file);
 
   TSQLResult * GetResultSet() { return *fResultPtr;}
   void CreateBuffer(const char *name, TString title, std::vector<Int_t> * vc, TBranch *branch, TSQLResult ** rs);
 
   void Update(Int_t offset, Int_t skipped);
 
   ClassDef(TBasketSQL,1)  //the TBranch buffers
 
};
 
#endif