INTuple.h

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/***********************************************************************************\
* (c) Copyright 1998-2025 CERN for the benefit of the LHCb and ATLAS collaborations *
*                                                                                   *
* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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#pragma once
 
#include <GaudiKernel/Kernel.h>
#include <GaudiKernel/StatusCode.h>
#include <string>
#include <typeinfo>
#include <vector>
 
class INTuple;
class INTupleItem;
class ISelectStatement;

class GAUDI_API INTupleItem {
protected:
  virtual void setType( long typ ) = 0;
 
public:
  virtual ~INTupleItem() = default;

  virtual void release() = 0;
  virtual const std::type_info& typeID() const = 0;
  virtual std::string typeName() const = 0;
  virtual const void* buffer() const = 0;
  virtual bool hasIndex() const = 0;
  virtual const std::string& index() const = 0;
  virtual const std::string& name() const = 0;
  virtual long type() const = 0;
  virtual long length() const = 0;
  virtual void reset() = 0;
  virtual long ndim() const = 0;
  virtual long dim( long i ) const = 0;
  virtual long size() const = 0;
  virtual long filled() const = 0;
  virtual INTupleItem* indexItem() = 0;
  virtual const INTupleItem* indexItem() const = 0;
  virtual INTuple* tuple() = 0;
};

class GAUDI_API INTuple {
protected:
  virtual INTupleItem* i_find( const std::string& name ) const = 0;
 
public:
  // Definition of _Item container
  typedef std::vector<INTupleItem*> ItemContainer;
  virtual ItemContainer& items() = 0;
  virtual const ItemContainer& items() const = 0;
  virtual char* setBuffer( char* buff ) = 0;
  virtual const char* buffer() const = 0;
  virtual char* buffer() = 0;
  virtual const std::string& title() const = 0;
  virtual void reset() = 0;
  virtual const INTupleItem* find( const std::string& name ) const = 0;
  virtual INTupleItem* find( const std::string& name ) = 0;
  virtual StatusCode add( INTupleItem* item ) = 0;
  virtual StatusCode remove( INTupleItem* item ) = 0;
  virtual StatusCode remove( const std::string& name ) = 0;
  virtual StatusCode attachSelector( ISelectStatement* sel ) = 0;
  virtual ISelectStatement* selector() = 0;
  virtual StatusCode write() = 0;
  virtual StatusCode writeRecord() = 0;
  virtual StatusCode read() = 0;
  virtual StatusCode readRecord() = 0;
  virtual StatusCode save() = 0;
  virtual ~INTuple()        = default;
};