diff options
author | Boris Kolpackov <boris@codesynthesis.com> | 2012-02-29 10:57:43 +0200 |
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committer | Boris Kolpackov <boris@codesynthesis.com> | 2012-02-29 10:57:43 +0200 |
commit | 40466e02c3ab7ef31183158103e3ef7536248753 (patch) | |
tree | db4d542aae19b94e9be00636e9cf5b75c5c8cd7a /odb/lazy-ptr.txx | |
parent | 35a2460893ddfd006d9d85dcc6ab7a01c1ab9848 (diff) |
Support for C++11 std::unique_ptr as object pointer
This includes the odb::lazy_unique_ptr implementation.
Diffstat (limited to 'odb/lazy-ptr.txx')
-rw-r--r-- | odb/lazy-ptr.txx | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/odb/lazy-ptr.txx b/odb/lazy-ptr.txx index 2265fec..fdc304b 100644 --- a/odb/lazy-ptr.txx +++ b/odb/lazy-ptr.txx @@ -42,6 +42,41 @@ namespace odb #ifdef ODB_CXX11 // + // lazy_unique_ptr + // + + template <class T, class D> + template <class T1, class D1> + bool lazy_unique_ptr<T, D>:: + equal (const lazy_unique_ptr<T1, D1>& r) const + { + bool t1 (!p_ == loaded ()); + bool t2 (!r.p_ == r.loaded ()); + + // If both are transient, then compare the underlying pointers. + // + if (t1 && t2) + return p_ == r.p_; + + // If one is transient and the other is persistent, then compare + // the underlying pointers but only if they are non NULL. Note + // that an unloaded persistent object is always unequal to a + // transient object. + // + if (t1 || t2) + return p_ == r.p_ && p_; + + // If both objects are persistent, then we compare databases and + // object ids. + // + typedef typename object_traits<T>::object_type object_type1; + typedef typename object_traits<T1>::object_type object_type2; + + return i_.database () == r.i_.database () && + object_id<object_type1> () == r.object_id<object_type2> (); + } + + // // lazy_shared_ptr // |