From 93392ca601a0cab8517a4ca8d163df4b41dd3e49 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov 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-vector-traits.hxx | 69 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 69 insertions(+) create mode 100644 odb/std-vector-traits.hxx (limited to 'odb/std-vector-traits.hxx') diff --git a/odb/std-vector-traits.hxx b/odb/std-vector-traits.hxx new file mode 100644 index 0000000..6c439c8 --- /dev/null +++ b/odb/std-vector-traits.hxx @@ -0,0 +1,69 @@ +// file : odb/std-vector-traits.hxx +// author : Boris Kolpackov +// copyright : Copyright (c) 2009-2010 Code Synthesis Tools CC +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_STD_VECTOR_TRAITS_HXX +#define ODB_STD_VECTOR_TRAITS_HXX + +#include + +#include + +#include + +namespace odb +{ + template + class access::container_traits > + { + public: + static container_kind const kind = ck_ordered; + + typedef V value_type; + typedef typename std::vector::size_type index_type; + typedef std::vector container_type; + + typedef ordered_functions functions; + + public: + static void + persist (const container_type& c, const functions& f) + { + for (index_type i (0), n (c.size ()); i < n; ++i) + f.insert_one (i, c[i]); + } + + 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 (); + + for (index_type i (0), n (c.size ()); i < n; ++i) + f.insert_one (i, c[i]); + } + + static void + erase (const functions& f) + { + f.delete_all (); + } + }; +} + +#include + +#endif // ODB_STD_VECTOR_TRAITS_HXX -- cgit v1.1