implemented lazy loading for object_ptr and belongs_to

source/core/utils/identifier_to_value_converter.cpp

@@ -0,0 +1,53 @@
+#include "matador/utils/identifier_to_value_converter.hpp"
+
+namespace matador::utils {
+value identifier_to_value_converter::convert(const identifier &id) {
+  id.serialize(*this);
+
+  return value_;
+}
+
+void identifier_to_value_converter::serialize(int8_t &x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(int16_t &x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(int32_t &x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(int64_t &x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(uint8_t &x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(uint16_t &x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(uint32_t &x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(uint64_t &x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(const char *x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(std::string &x, const field_attributes &) {
+  value_ = x;
+}
+
+void identifier_to_value_converter::serialize(null_type_t &/*x*/, const field_attributes &) {
+  value_.type(basic_type::Null);
+}
+}

source/core/utils/value.cpp

@@ -39,6 +39,14 @@ value &value::operator=(value &&x) noexcept {
   return *this;
 }
 
+bool value::operator==(const value &rhs) const {
+  return type_ == rhs.type_ && value_ == rhs.value_;
+}
+
+bool value::operator!=(const value &rhs) const {
+  return !operator==(rhs);
+}
+
 std::string value::str() const {
   return as<std::string>().value_or("");
 }