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+// file : common/session/custom/test.hxx
+// copyright : Copyright (c) 2009-2012 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef TEST_HXX
+#define TEST_HXX
+
+#include <string>
+#include <memory>
+#include <vector>
+
+#include <odb/core.hxx>
+#include <odb/lazy-ptr.hxx>
+
+class employee;
+
+#pragma db object pointer(std::shared_ptr) session
+class employer
+{
+public:
+ employer (const std::string& name, const std::string& symbol)
+ : name_ (name), symbol_ (symbol) {}
+
+ const std::string&
+ name () const {return name_;}
+
+ const std::string&
+ symbol () const {return symbol_;}
+
+ void
+ symbol (const std::string& symbol) {symbol_ = symbol;}
+
+ // Employees of this employer.
+ //
+ typedef std::vector<odb::lazy_weak_ptr<employee>> employees_type;
+
+ const employees_type&
+ employees () const {return employees_;}
+
+ employees_type&
+ employees () {return employees_;}
+
+ // Change tracking.
+ //
+public:
+ bool
+ changed (const employer& orig) const
+ {
+ // Note that we don't need to track object ids, inverse pointers, nor
+ // readonly/const data members.
+ //
+ return symbol_ != orig.symbol_;
+ }
+
+private:
+ friend class odb::access;
+ employer () {}
+
+ #pragma db id
+ std::string name_;
+
+ std::string symbol_;
+
+ #pragma db value_not_null inverse(employer_)
+ employees_type employees_;
+};
+
+#pragma db object pointer(std::shared_ptr) session
+class employee
+{
+public:
+ typedef ::employer employer_type;
+
+ employee (const std::string& first,
+ const std::string& last,
+ std::shared_ptr<employer_type> employer)
+ : first_ (first), last_ (last), employer_ (employer) {}
+
+ // Name.
+ //
+ const std::string&
+ first () const {return first_;}
+
+ const std::string&
+ last () const {return last_;}
+
+ // Employer.
+ //
+ std::shared_ptr<employer_type>
+ employer () const {return employer_;}
+
+ void
+ employer (std::shared_ptr<employer_type> e) {employer_ = e;}
+
+ // Change tracking.
+ //
+public:
+ bool
+ changed (const employee& orig) const
+ {
+ return first_ != orig.first_ || last_ != orig.last_ ||
+ employer_ != orig.employer_;
+ }
+
+private:
+ friend class odb::access;
+ employee () {}
+
+ #pragma db id auto
+ unsigned long id_;
+
+ std::string first_;
+ std::string last_;
+
+ #pragma db not_null
+ std::shared_ptr<employer_type> employer_;
+};
+
+#endif // TEST_HXX