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+// file      : odb/semantics/relational/model.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license   : GNU GPL v3; see accompanying LICENSE file
+
+#ifndef ODB_SEMANTICS_RELATIONAL_MODEL_HXX
+#define ODB_SEMANTICS_RELATIONAL_MODEL_HXX
+
+#include <odb/semantics/relational/elements.hxx>
+
+namespace semantics
+{
+  namespace relational
+  {
+    class model: public graph<node, edge>, public scope
+    {
+    public:
+      model ()
+      {
+      }
+
+      virtual string
+      kind () const
+      {
+        return "model";
+      }
+
+    public:
+      using scope::add_edge_left;
+      using scope::add_edge_right;
+
+    private:
+      model (model const&);
+      model& operator= (model const&);
+    };
+  }
+}
+
+#endif // ODB_SEMANTICS_RELATIONAL_MODEL_HXX