ids.h

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/////////////////////////////////////////////////////////////////////////////
//
// This code was automatically generated by the joedb compiler
// https://www.joedb.org/
//
// Path to compiler: /home/rcoulom/repos/joedb/doc/source/tutorial/build/joedbc
// Version: 10.4.3
// joedbc compilation time: Jul 14 2026 13:07:22
// Generation of this file: 2026-07-14 11:07:28 GMT
//
/////////////////////////////////////////////////////////////////////////////
#ifndef tutorial_ids_declared
#define tutorial_ids_declared
 
#include "joedb/index_types.h"
 
namespace tutorial
{
 using joedb::Record_Id;
 using joedb::Table_Id;
 using joedb::Field_Id;
 
 /// Strongly-typed wrapper around an integer representing a row of the city table
 class id_of_city
 {
  private:
   Record_Id id;
 
  public:
   constexpr explicit id_of_city(joedb::index_t id): id(Record_Id(id)) {}
   constexpr explicit id_of_city(Record_Id id): id(id) {}
   constexpr id_of_city(): id(joedb::Record_Id::null) {}
   constexpr bool is_null() const {return id.is_null();}
   constexpr bool is_not_null() const {return id.is_not_null();}
   constexpr auto get_id() const {return to_underlying(id);}
   constexpr Record_Id get_record_id() const {return id;}
   constexpr bool operator==(id_of_city x) const {return id == x.id;}
   constexpr bool operator!=(id_of_city x) const {return id != x.id;}
   constexpr bool operator<(id_of_city x) const {return id < x.id;}
   constexpr bool operator>(id_of_city x) const {return id > x.id;}
   constexpr bool operator<=(id_of_city x) const {return id <= x.id;}
   constexpr bool operator>=(id_of_city x) const {return id >= x.id;}
   constexpr id_of_city operator[](size_t i) const {return id_of_city(id + i);}
 };
 
 /// Strongly-typed wrapper around an integer representing a row of the person table
 class id_of_person
 {
  private:
   Record_Id id;
 
  public:
   constexpr explicit id_of_person(joedb::index_t id): id(Record_Id(id)) {}
   constexpr explicit id_of_person(Record_Id id): id(id) {}
   constexpr id_of_person(): id(joedb::Record_Id::null) {}
   constexpr bool is_null() const {return id.is_null();}
   constexpr bool is_not_null() const {return id.is_not_null();}
   constexpr auto get_id() const {return to_underlying(id);}
   constexpr Record_Id get_record_id() const {return id;}
   constexpr bool operator==(id_of_person x) const {return id == x.id;}
   constexpr bool operator!=(id_of_person x) const {return id != x.id;}
   constexpr bool operator<(id_of_person x) const {return id < x.id;}
   constexpr bool operator>(id_of_person x) const {return id > x.id;}
   constexpr bool operator<=(id_of_person x) const {return id <= x.id;}
   constexpr bool operator>=(id_of_person x) const {return id >= x.id;}
   constexpr id_of_person operator[](size_t i) const {return id_of_person(id + i);}
 };
}
 
#include <functional>
 
namespace std
{
 template<>
 struct hash<tutorial::id_of_city>
 {
  size_t operator()(tutorial::id_of_city x) const noexcept
  {
   return hash<joedb::index_t>{}(x.get_id());
  }
 };
 template<>
 struct hash<tutorial::id_of_person>
 {
  size_t operator()(tutorial::id_of_person x) const noexcept
  {
   return hash<joedb::index_t>{}(x.get_id());
  }
 };
}
 
 
#endif