63 lines
1.9 KiB
C++
63 lines
1.9 KiB
C++
#ifndef QUERY_HAS_MANY_TO_MANY_RELATION_HPP
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#define QUERY_HAS_MANY_TO_MANY_RELATION_HPP
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#include "matador/object/object_ptr.hpp"
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#include "matador/utils/access.hpp"
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#include "matador/utils/foreign_attributes.hpp"
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namespace matador::object {
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template < class LocalType, class ForeignType >
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class many_to_many_relation {
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public:
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many_to_many_relation() = default;
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many_to_many_relation(std::string local_name, std::string remote_name)
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: local_name_(std::move(local_name))
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, remote_name_(std::move(remote_name)) {}
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template<class Operator>
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void process(Operator &op) {
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namespace field = matador::access;
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field::belongs_to(op, local_name_.c_str(), local_, utils::default_foreign_attributes);
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field::belongs_to(op, remote_name_.c_str(), remote_, utils::default_foreign_attributes);
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}
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object_ptr<LocalType> local() const { return local_; }
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object_ptr<LocalType> remote() const { return remote_; }
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private:
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std::string local_name_;
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std::string remote_name_;
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object_ptr<LocalType> local_;
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object_ptr<ForeignType> remote_;
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};
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template < class LocalType, class Type >
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class many_to_relation {
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public:
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many_to_relation() = default;
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many_to_relation(std::string local_name, std::string remote_name)
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: local_name_(std::move(local_name))
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, type_name_(std::move(remote_name)) {}
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template<class Operator>
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void process(Operator &op) {
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namespace field = matador::access;
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field::belongs_to(op, local_name_.c_str(), local_, utils::default_foreign_attributes);
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field::attribute(op, type_name_.c_str(), value_);
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}
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object_ptr<LocalType> local() const { return local_; }
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Type value() const { return value_; }
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private:
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std::string local_name_;
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std::string type_name_;
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object_ptr<LocalType> local_;
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Type value_;
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};
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}
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#endif //QUERY_HAS_MANY_TO_MANY_RELATION_HPP
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