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authorBoris Kolpackov <boris@codesynthesis.com>2011-02-04 13:56:09 +0200
committerBoris Kolpackov <boris@codesynthesis.com>2011-02-04 13:56:09 +0200
commitf1c2a621ac2695dfe4a3bc71dbc9ce3079008d2f (patch)
treed0c45ecd5489cd1b4beb57fc5afda3263ad0d2b2 /odb/boost/smart-ptr/lazy-pointer-traits.hxx
parent6a07b88cdf6419440b19e7b7dbc9231519c32c62 (diff)
Add support for smart-ptr, unordered, and date_time (basic)
Diffstat (limited to 'odb/boost/smart-ptr/lazy-pointer-traits.hxx')
-rw-r--r--odb/boost/smart-ptr/lazy-pointer-traits.hxx63
1 files changed, 63 insertions, 0 deletions
diff --git a/odb/boost/smart-ptr/lazy-pointer-traits.hxx b/odb/boost/smart-ptr/lazy-pointer-traits.hxx
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+// file : odb/boost/smart-ptr/lazy-pointer-traits.hxx
+// author : Boris Kolpackov <boris@codesynthesis.com>
+// copyright : Copyright (c) 2009-2011 Code Synthesis Tools CC
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_BOOST_SMART_PTR_LAZY_POINTER_TRAITS_HXX
+#define ODB_BOOST_SMART_PTR_LAZY_POINTER_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <odb/pointer-traits.hxx>
+#include <odb/boost/smart-ptr/lazy-ptr.hxx>
+
+namespace odb
+{
+ template <typename T>
+ class pointer_traits<boost::lazy_shared_ptr<T> >
+ {
+ public:
+ static pointer_kind const kind = pk_shared;
+ static bool const lazy = true;
+
+ typedef T element_type;
+ typedef boost::lazy_shared_ptr<element_type> pointer_type;
+ typedef ::boost::shared_ptr<element_type> eager_pointer_type;
+
+ static bool
+ null_ptr (const pointer_type& p)
+ {
+ return !p;
+ }
+
+ template <class O /* = T */>
+ static typename object_traits<O>::id_type
+ object_id (const pointer_type& p)
+ {
+ return p.object_id<O> ();
+ }
+ };
+
+ template <typename T>
+ class pointer_traits<boost::lazy_weak_ptr<T> >
+ {
+ public:
+ static pointer_kind const kind = pk_weak;
+ static bool const lazy = true;
+
+ typedef T element_type;
+ typedef boost::lazy_weak_ptr<element_type> pointer_type;
+ typedef boost::lazy_shared_ptr<element_type> strong_pointer_type;
+ typedef ::boost::weak_ptr<element_type> eager_pointer_type;
+
+ static strong_pointer_type
+ lock (const pointer_type& p)
+ {
+ return p.lock ();
+ }
+ };
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_BOOST_SMART_PTR_LAZY_POINTER_TRAITS_HXX