Add example for optimistic concurrency support

1 files changed, 68 insertions, 0 deletions

diff --git a/optimistic/person.hxx b/optimistic/person.hxx
new file mode 100644
index 0000000..60f3082
--- /dev/null
+++ b/optimistic/person.hxx
@@ -0,0 +1,68 @@
+// file      : optimistic/person.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : not copyrighted - public domain
+
+#ifndef PERSON_HXX
+#define PERSON_HXX
+
+#include <string>
+
+#include <odb/core.hxx>
+
+#pragma db object optimistic
+class person
+{
+public:
+  person () {}
+  person (const std::string& first,
+          const std::string& last,
+          unsigned short age)
+      : first_ (first), last_ (last), age_ (age)
+  {
+  }
+
+  const std::string&
+  first () const
+  {
+    return first_;
+  }
+
+  const std::string&
+  last () const
+  {
+    return last_;
+  }
+
+  unsigned short
+  age () const
+  {
+    return age_;
+  }
+
+  void
+  age (unsigned short age)
+  {
+    age_ = age;
+  }
+
+  unsigned long
+  version () const
+  {
+    return version_;
+  }
+
+private:
+  friend class odb::access;
+
+  #pragma db id auto
+  unsigned long id_;
+
+  #pragma db version
+  unsigned long version_;
+
+  std::string first_;
+  std::string last_;
+  unsigned short age_;
+};
+
+#endif // PERSON_HXX