55 lines
1.1 KiB
C++
55 lines
1.1 KiB
C++
#ifndef QUERY_FOREIGN_HPP
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#define QUERY_FOREIGN_HPP
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#include "matador/utils/identifiable.hpp"
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namespace matador::sql {
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template < class Type >
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class foreign : public utils::identifiable
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{
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public:
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foreign() = default;
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explicit foreign(Type *obj)
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: obj_(obj) {}
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void reset(const utils::identifier &id) override {
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id_ = id;
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}
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[[nodiscard]] bool has_primary_key() const override {
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return true;
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}
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[[nodiscard]] const utils::identifier &primary_key() const override {
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return id_;
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}
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utils::identifier &primary_key() override {
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return id_;
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}
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[[nodiscard]] utils::identifier create_identifier() const override {
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return {id_};
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}
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Type* operator->() { return obj_.get(); }
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const Type* operator->() const { return obj_.get(); }
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Type& operator*() { return *obj_; }
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const Type& operator*() const { return *obj_; }
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private:
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utils::identifier id_;
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std::unique_ptr<Type> obj_;
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};
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template<class Type, typename... Args>
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[[maybe_unused]] foreign<Type> make_foreign(Args&&... args)
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{
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return foreign(new Type(std::forward<Args>(args)...));
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}
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}
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#endif //QUERY_FOREIGN_HPP
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