Gaudi Framework, version v20r2
	Generated: 18 Jul 2008

HNTupleCnv.h

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// $Header: /local/reps/Gaudi/HbookCnv/src/HNTupleCnv.h,v 1.1.1.1 2000/11/23 11:34:55 ranjard Exp $
#ifndef HBOOKCNV_HNTUPLECNV_H
#define HBOOKCNV_HNTUPLECNV_H 1


// Include files
#include "HConverter.h"


// Forward declarations
class ISvcLocator;
class NTUPLEINFO;
class INTupleItem;
class INTupleSvc;
class INTuple;


//====================================================================
//  NTuple converter class definition
//--------------------------------------------------------------------
//
//  Package    : HbookCnv ( The LHCb Offline System)
//  Author     : M.Frank
//
//====================================================================


namespace HbookCnv {

  class HNTupleCnv : public HConverter   {

  public:
    virtual StatusCode initialize();
    virtual StatusCode finalize();
    virtual StatusCode createObj(IOpaqueAddress* pAddress, DataObject*& refpObject);
    virtual StatusCode updateObj( IOpaqueAddress* pAddress, DataObject* refpObject );
    virtual StatusCode createRep( DataObject* pObject, IOpaqueAddress*& refpAddress );
    virtual StatusCode updateRep( IOpaqueAddress* pAddress, DataObject* pObject );

  protected:
    HNTupleCnv( ISvcLocator* svc, const CLID& clid );
    virtual ~HNTupleCnv();
    virtual StatusCode load( long id, INTuple*& refpObject ) = 0;
    virtual StatusCode book( long idh, const std::string& loc, INTuple* pObject) = 0;
    virtual StatusCode writeData(long idh, INTuple* pObject) = 0;
    virtual StatusCode readData(long idh, INTuple* pObject, long ievt) = 0;


  protected:
    INTupleSvc*  m_ntupleSvc;

  };

  template<class TYP>
  INTupleItem* createNTupleItem(NTUPLEINFO& tags, long i, INTuple* tuple, TYP minimum, TYP maximum, long& size);

  bool parseName(std::string full, std::string &blk, std::string &var);
 
}    // namespace HbookCnv


#endif    // HBOOKCNV_HNTUPLECNV_H

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