ColumnAccessorDataArray.h

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

 
 
#ifndef COLUMNAR_CORE_COLUMN_ACCESSOR_DATA_ARRAY_H
#define COLUMNAR_CORE_COLUMN_ACCESSOR_DATA_ARRAY_H
 
#include <ColumnarCore/ColumnarDef.h>
#include <ColumnarInterfaces/ColumnInfo.h>
#include <memory>
 
namespace columnar
{
  template<typename CM> class ColumnarTool;
  struct ColumnDataArray;

  struct ColumnAccessorDataArray final
  {
    unsigned *dataIndexPtr = nullptr;

    std::unique_ptr<ColumnAccessorDataArray> *selfPtr = nullptr;

    ColumnDataArray *dataRef = nullptr;

    const std::type_info *type = nullptr;

    ColumnAccessMode accessMode = {};

    ColumnAccessorDataArray (unsigned *val_dataIndexPtr, std::unique_ptr<ColumnAccessorDataArray> *val_selfPtr, const std::type_info *val_type, ColumnAccessMode val_accessMode) noexcept
      : dataIndexPtr (val_dataIndexPtr), selfPtr (val_selfPtr), type (val_type), accessMode (val_accessMode) {}

    ~ColumnAccessorDataArray () noexcept;
  };
 
  void moveAccessor (unsigned& dataIndex, std::unique_ptr<ColumnAccessorDataArray>& accessorData, unsigned& sourceIndex, std::unique_ptr<ColumnAccessorDataArray>& sourceData);
}
 
#endif