include/DataView.hpp


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#pragma once

#include "types.hpp"
#include "Hash.hpp"
#include <unordered_map>

namespace odhtdb
{
    class DataView
    {
    public:
        DataView() : data(nullptr), size(0) {}
        DataView(void *_data, usize _size) : data(_data), size(_size) {}
        bool operator == (const DataView &other) const;

        void *data;
        usize size;
    };
    
    struct DataViewHasher
    {
        size_t operator()(const DataView &dataView) const
        {
            return fnvHash((const unsigned char*)dataView.data, dataView.size);
        }
    };
    
    template <typename ValueType>
    using DataViewMap = std::unordered_map<DataView, ValueType, DataViewHasher>;
}