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+// file : boost/employee.hxx
+// copyright : not copyrighted - public domain
+
+#ifndef EMPLOYEE_HXX
+#define EMPLOYEE_HXX
+
+#include <vector>
+#include <string>
+
+#include <boost/shared_ptr.hpp>
+#include <boost/weak_ptr.hpp>
+#include <boost/optional.hpp>
+#include <boost/unordered_set.hpp>
+#include <boost/uuid/uuid.hpp>
+#include <boost/uuid/uuid_generators.hpp>
+#include <boost/date_time/gregorian/gregorian.hpp>
+
+#include <odb/core.hxx>
+
+#include <odb/boost/lazy-ptr.hxx>
+
+using boost::shared_ptr;
+using boost::weak_ptr;
+
+using odb::boost::lazy_shared_ptr;
+using odb::boost::lazy_weak_ptr;
+
+using boost::uuids::uuid;
+using boost::gregorian::date;
+
+// Forward declarations.
+//
+class employer;
+class employee;
+
+typedef boost::unordered_set<std::string> emails;
+typedef std::vector<lazy_weak_ptr<employee> > employees;
+
+#pragma db object
+class employer
+{
+public:
+ employer (const std::string& name)
+ : name_ (name)
+ {
+ }
+
+ const std::string&
+ name () const
+ {
+ return name_;
+ }
+
+ // Employees of this employer.
+ //
+ typedef ::employees employees_type;
+
+ const employees_type&
+ employees () const
+ {
+ return employees_;
+ }
+
+ employees_type&
+ employees ()
+ {
+ return employees_;
+ }
+
+private:
+ friend class odb::access;
+
+ employer () {}
+
+ #pragma db id
+ std::string name_;
+
+ #pragma db value_not_null inverse(employer_)
+ employees_type employees_;
+};
+
+#pragma db object
+class employee
+{
+public:
+ typedef ::employer employer_type;
+
+ employee (const std::string& first,
+ const std::string& last,
+ const date& born,
+ shared_ptr<employer_type> employer)
+ : id_ (boost::uuids::random_generator () ()),
+ first_ (first), last_ (last),
+ born_ (born),
+ employer_ (employer)
+ {
+ }
+
+ employee (const std::string& first,
+ const std::string& middle,
+ const std::string& last,
+ const date& born,
+ shared_ptr<employer_type> employer)
+ : id_ (boost::uuids::random_generator () ()),
+ first_ (first), middle_ (middle), last_ (last),
+ born_ (born),
+ employer_ (employer)
+ {
+ }
+
+ // Id.
+ //
+ const uuid&
+ id () const
+ {
+ return id_;
+ }
+
+ // Name.
+ //
+ const std::string&
+ first () const
+ {
+ return first_;
+ }
+
+ const boost::optional<std::string>&
+ middle () const
+ {
+ return middle_;
+ }
+
+ const std::string&
+ last () const
+ {
+ return last_;
+ }
+
+ // Date of birth.
+ //
+ const date&
+ born () const
+ {
+ return born_;
+ }
+
+ // Emails.
+ //
+ typedef ::emails emails_type;
+
+ const emails_type&
+ emails () const
+ {
+ return emails_;
+ }
+
+ emails_type&
+ emails ()
+ {
+ return emails_;
+ }
+
+ // Employer.
+ //
+ shared_ptr<employer_type>
+ employer () const
+ {
+ return employer_;
+ }
+
+ void
+ employer (shared_ptr<employer_type> employer)
+ {
+ employer_ = employer;
+ }
+
+private:
+ friend class odb::access;
+
+ employee () {}
+
+ #pragma db id
+ uuid id_;
+
+ std::string first_;
+ boost::optional<std::string> middle_;
+ std::string last_;
+
+ date born_;
+ emails_type emails_;
+
+ #pragma db not_null
+ shared_ptr<employer_type> employer_;
+};
+
+#endif // EMPLOYEE_HXX