68 lines
1.9 KiB
C++
68 lines
1.9 KiB
C++
#ifndef QUERY_KEY_VALUE_GENERATOR_HPP
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#define QUERY_KEY_VALUE_GENERATOR_HPP
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#include "matador/sql/fk_value_extractor.hpp"
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#include "matador/sql/key_value_pair.hpp"
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#include <vector>
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namespace matador::utils {
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class identifiable;
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}
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namespace matador::sql {
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class key_value_generator
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{
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private:
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public:
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explicit key_value_generator(std::vector<key_value_pair> &result) : result_(result) {}
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public:
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template < class Type >
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static std::vector<key_value_pair> generate(const Type &obj)
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{
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std::vector<key_value_pair> result;
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key_value_generator generator(result);
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matador::utils::access::process(generator, obj);
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return std::move(result);
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}
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template < class V >
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void on_primary_key(const char *id, V &x, typename std::enable_if<std::is_integral<V>::value && !std::is_same<bool, V>::value>::type* = 0)
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{
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result_.emplace_back(id, x);
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}
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void on_primary_key(const char *id, std::string &, size_t);
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void on_revision(const char *id, unsigned long long &/*rev*/);
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template<typename Type>
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void on_attribute(const char *id, Type &x, const utils::field_attributes &/*attr*/ = utils::null_attributes)
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{
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result_.emplace_back(id, x);
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}
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template<class Type, template < class ... > class Pointer>
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void on_belongs_to(const char *id, Pointer<Type> &x, utils::cascade_type)
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{
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result_.emplace_back(id, fk_value_extractor_.extract(*x));
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}
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template<class Type, template < class ... > class Pointer>
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void on_has_one(const char *id, Pointer<Type> &x, utils::cascade_type)
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{
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result_.emplace_back(id, fk_value_extractor_.extract(*x));
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}
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template<class ContainerType>
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void on_has_many(const char *, ContainerType &, const char *, const char *, utils::cascade_type) {}
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template<class ContainerType>
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void on_has_many(const char *, ContainerType &, utils::cascade_type) {}
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private:
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detail::fk_value_extractor fk_value_extractor_;
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std::vector<key_value_pair> &result_;
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};
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}
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#endif //QUERY_KEY_VALUE_GENERATOR_HPP
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