From 93392ca601a0cab8517a4ca8d163df4b41dd3e49 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Sat, 6 Nov 2010 17:57:02 +0200
Subject: Add container traits interface and implementation

Implementation is provided for the standard C++ containers.
---
 odb/std-list-traits.hxx | 73 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 73 insertions(+)
 create mode 100644 odb/std-list-traits.hxx

(limited to 'odb/std-list-traits.hxx')

diff --git a/odb/std-list-traits.hxx b/odb/std-list-traits.hxx
new file mode 100644
index 0000000..2f6ec96
--- /dev/null
+++ b/odb/std-list-traits.hxx
@@ -0,0 +1,73 @@
+// file      : odb/std-list-traits.hxx
+// author    : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC
+// license   : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_STD_LIST_TRAITS_HXX
+#define ODB_STD_LIST_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <list>
+
+#include <odb/container-traits.hxx>
+
+namespace odb
+{
+  template <typename V>
+  class access::container_traits<std::list<V> >
+  {
+  public:
+    static container_kind const kind = ck_ordered;
+
+    typedef V value_type;
+    typedef typename std::list<V>::size_type index_type;
+    typedef std::list<V> container_type;
+
+    typedef ordered_functions<index_type, value_type> functions;
+
+  public:
+    static void
+    persist (const container_type& c, const functions& f)
+    {
+      index_type i (0);
+      for (typename container_type::const_iterator j (c.begin ()),
+             e (c.end ()); j != e; ++j)
+        f.insert_one (i++, *j);
+    }
+
+    static void
+    load (container_type& c, bool more, const functions& f)
+    {
+      c.clear ();
+
+      while (more)
+      {
+        index_type dummy;
+        c.push_back (value_type ());
+        more = f.load_all (dummy, c.back ());
+      }
+    }
+
+    static void
+    update (const container_type& c, const functions& f)
+    {
+      f.delete_all ();
+
+      index_type i (0);
+      for (typename container_type::const_iterator j (c.begin ()),
+             e (c.end ()); j != e; ++j)
+        f.insert_one (i++, *j);
+    }
+
+    static void
+    erase (const functions& f)
+    {
+      f.delete_all ();
+    }
+  };
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_STD_LIST_TRAITS_HXX
-- 
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