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Diffstat (limited to 'libodb/odb/std-set-traits.hxx')
-rw-r--r-- | libodb/odb/std-set-traits.hxx | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/libodb/odb/std-set-traits.hxx b/libodb/odb/std-set-traits.hxx new file mode 100644 index 0000000..45a5dcc --- /dev/null +++ b/libodb/odb/std-set-traits.hxx @@ -0,0 +1,134 @@ +// file : odb/std-set-traits.hxx +// license : GNU GPL v2; see accompanying LICENSE file + +#ifndef ODB_STD_SET_TRAITS_HXX +#define ODB_STD_SET_TRAITS_HXX + +#include <odb/pre.hxx> + +#include <set> +#include <utility> // std::move + +#include <odb/container-traits.hxx> +#include <odb/details/config.hxx> // ODB_CXX11 + +namespace odb +{ + template <typename V, typename C, typename A> + class access::container_traits<std::set<V, C, A> > + { + public: + static const container_kind kind = ck_set; + static const bool smart = false; + + typedef std::set<V, C, A> container_type; + typedef V value_type; + + typedef set_functions<value_type> functions; + + public: + static void + persist (const container_type& c, const functions& f) + { + for (typename container_type::const_iterator i (c.begin ()), + e (c.end ()); i != e; ++i) + f.insert (*i); + } + + static void + load (container_type& c, bool more, const functions& f) + { + c.clear (); + + while (more) + { + value_type v; + more = f.select (v); +#ifdef ODB_CXX11 + c.insert (std::move (v)); +#else + c.insert (v); +#endif + } + } + + static void + update (const container_type& c, const functions& f) + { + f.delete_ (); + + for (typename container_type::const_iterator i (c.begin ()), + e (c.end ()); i != e; ++i) + f.insert (*i); + } + + static void + erase (const functions& f) + { + f.delete_ (); + } + }; + + // C++03 does not guarantee insertion order of equal values but C++11 + // changes that. The current implementation in the generated code does + // not guarantee this either. + // + template <typename V, typename C, typename A> + class access::container_traits<std::multiset<V, C, A> > + { + public: + static const container_kind kind = ck_multiset; + static const bool smart = false; + + typedef std::multiset<V, C, A> container_type; + typedef V value_type; + + typedef set_functions<value_type> functions; + + public: + static void + persist (const container_type& c, const functions& f) + { + for (typename container_type::const_iterator i (c.begin ()), + e (c.end ()); i != e; ++i) + f.insert (*i); + } + + static void + load (container_type& c, bool more, const functions& f) + { + c.clear (); + + while (more) + { + value_type v; + more = f.select (v); +#ifdef ODB_CXX11 + c.insert (std::move (v)); +#else + c.insert (v); +#endif + } + } + + static void + update (const container_type& c, const functions& f) + { + f.delete_ (); + + for (typename container_type::const_iterator i (c.begin ()), + e (c.end ()); i != e; ++i) + f.insert (*i); + } + + static void + erase (const functions& f) + { + f.delete_ (); + } + }; +} + +#include <odb/post.hxx> + +#endif // ODB_STD_SET_TRAITS_HXX |