Protection added in case no ESD files have been chained.

[u/mrichter/AliRoot.git] / STEER / AliCDBHandler.h

#ifndef ALICDBHANDLER_H
#define ALICDBHANDLER_H
/* Copyright(c) 1998-1999, ALICE Experiment at CERN, All rights reserved. *
 * * See cxx source for full Copyright notice */
/* $Id$ */

////////////////////////////////////////////////////////////////////////////
//                                                                        //
//  The SAX XML file handler used by the OCDB Manager                     //
//  get the OCDB Folder <-> Run Range correspondance                      //
//                                                                        //
//  Chiara.Zampolli (Chiara.Zampolli@cern.ch)                             //
//                                                                        //
////////////////////////////////////////////////////////////////////////////

#include <TObject.h>
class TString;

class AliCDBHandler : public TObject {

public:

  AliCDBHandler();
  AliCDBHandler(Int_t run);
  AliCDBHandler(const AliCDBHandler &sh);
  virtual ~AliCDBHandler();
  AliCDBHandler &operator=(const AliCDBHandler &sh);

  // functions to interface to TSAXHandler
  void          OnStartDocument();
  void          OnEndDocument();
  void          OnStartElement(const char *name, const TList *attributes);
  void          OnEndElement(const char *name);
  void          OnCharacters(const char *name);
  void          OnComment(const char *name);
  void          OnWarning(const char *name);
  void          OnError(const char *name);
  void          OnFatalError(const char *name);
  void          OnCdataBlock(const char *name, Int_t len);

  Int_t GetStartRunRange() const {return fStartRunRange;}
  Int_t GetEndRunRange() const {return fEndRunRange;}
  TString GetOCDBFolder() const {return fOCDBFolder;}
  void SetRun(Int_t run) {fRun=run;}

 private:
  Int_t fRun;              // run for which the LHC Period Folder has to be found 
  Int_t fStartRunRange;    // start run corresponding to the request 
  Int_t fEndRunRange;      // end run corresponding to the request 
  TString fOCDBFolder;     // OCDB folder corresponding to the request 

  ClassDef(AliCDBHandler,0);    // The XML file handler for the OCDB
};
#endif