From 3b457daf6b252ef31ec0611e7375aa4badd8e63d Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Mon, 18 Mar 2013 13:10:41 +0200
Subject: Add support for copying database models

---
 odb/semantics/relational/elements.hxx | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

(limited to 'odb/semantics/relational/elements.hxx')

diff --git a/odb/semantics/relational/elements.hxx b/odb/semantics/relational/elements.hxx
index 8dde6bc..2321e1a 100644
--- a/odb/semantics/relational/elements.hxx
+++ b/odb/semantics/relational/elements.hxx
@@ -196,7 +196,12 @@ namespace semantics
       //
       nameable (string const& id): id_ (id), named_ (0) {}
 
-      void
+      virtual nameable&
+      clone (scope_type&, graph&) const = 0;
+
+      // Virtual because we call it via nameable interface (e.g., in copy).
+      //
+      virtual void
       add_edge_right (names_type& e)
       {
         assert (named_ == 0);
@@ -206,6 +211,7 @@ namespace semantics
       using node::add_edge_right;
 
     protected:
+      nameable (nameable const&, graph& g);
       nameable (xml::parser&, graph& g);
 
       void
@@ -313,10 +319,13 @@ namespace semantics
     public:
       scope (): first_key_ (names_.end ()) {}
 
-      void
+      // Virtual because we call it via scope interface (e.g., in copy).
+      //
+      virtual void
       add_edge_left (names_type&);
 
     protected:
+      scope (scope const&, graph&);
       scope (xml::parser&, graph&);
 
       void
@@ -330,6 +339,10 @@ namespace semantics
       typename names_list::iterator first_key_;
     };
 
+    template <>
+    void scope<uname>::
+    add_edge_left (names_type&);
+
     typedef scope<uname> uscope;
     typedef scope<qname> qscope;
   }
-- 
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