IColumnarTool.h

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/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/

 
 
#ifndef COLUMNAR_INTERFACES_I_COLUMNAR_TOOL_H
#define COLUMNAR_INTERFACES_I_COLUMNAR_TOOL_H
 
#include <string>
#include <vector>
 
namespace columnar
{
  using ColumnarOffsetType = std::size_t;

  inline constexpr ColumnarOffsetType invalidObjectIndex = static_cast<ColumnarOffsetType>(-1);
 

  inline const std::string numberOfEventsName = "EventInfo";
 
 
  struct ColumnInfo;
 

 
  class IColumnarTool
  {
  public:
    virtual ~IColumnarTool() = default;
 

    virtual void callVoid (void** data) const = 0;
 

    [[nodiscard]] virtual std::vector<ColumnInfo> getColumnInfo () const = 0;
 

    virtual void renameColumn (const std::string& from, const std::string& to) = 0;
 

    virtual void setColumnIndex (const std::string& name, std::size_t index) = 0;
  };
}
 
#endif