79 lines
1.9 KiB
C++
79 lines
1.9 KiB
C++
#ifndef MATADOR_FIELD_ATTRIBUTES_HPP
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#define MATADOR_FIELD_ATTRIBUTES_HPP
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#include "matador/utils/constraints.hpp"
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namespace matador::utils {
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/**
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* This class represents field attributes in
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* form of size and constraints for a database
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* field (column)
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*
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* Currently the size is only applied
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* to a field of type string leading
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* to VARCHAR(size).
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*/
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class field_attributes
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{
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public:
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/**
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* Creates field_attributes instance
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* with size 0 (zero) and no constraints.
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*/
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field_attributes() = default;
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/**
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* Creates field_attributes instance
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* with given size and no constraints.
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*
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* @param size Size of the attribute
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*/
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field_attributes(size_t size); // NOLINT(*-explicit-constructor)
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/**
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* Creates field_attributes instance
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* with size 0 (zero) and given constraints.
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*
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* @param options Constraints to apply to field
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*/
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field_attributes(constraints options); // NOLINT(*-explicit-constructor)
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/**
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* Creates field_attributes instance
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* with given size and constraints.
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*
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* @param size Size of the attribute
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* @param options Constraints to apply to field
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*/
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field_attributes(size_t size, constraints options);
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~field_attributes() = default;
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field_attributes(const field_attributes &) = default;
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field_attributes(field_attributes &&) = default;
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field_attributes &operator=(const field_attributes &) = default;
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field_attributes &operator=(field_attributes &&) = default;
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field_attributes& operator=(size_t size);
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field_attributes& operator=(constraints opt);
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/**
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* Returns the size of the field
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*
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* @return Size of the field
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*/
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[[nodiscard]] size_t size() const;
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/**
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* Returns the constraints of the field
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*
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* @return Constraints of the field
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*/
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[[nodiscard]] constraints options() const;
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private:
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size_t size_ = 0;
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constraints options_ = constraints::NONE;
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};
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const field_attributes null_attributes {};
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}
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#endif //MATADOR_FIELD_ATTRIBUTES_HPP
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