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authorKaren Arutyunov <karen@codesynthesis.com>2024-02-01 20:51:20 +0300
committerKaren Arutyunov <karen@codesynthesis.com>2024-02-01 20:51:20 +0300
commit78c1908129fd940dbbc9da08f52657e26fe22e34 (patch)
tree33e5dbcaecb924e93160e6927e6c7dd863dd3ca9 /libodb-qt/odb/qt/smart-ptr/lazy-pointer-traits.hxx
parent158bd7a1dd011b1ec0d7e99b9d22439ddec3eadb (diff)
parent5f1cd97b9727fe10df79e1eb316ff493d9dfc2a9 (diff)
Merge branch 'libodb-qt' into multi-package
Diffstat (limited to 'libodb-qt/odb/qt/smart-ptr/lazy-pointer-traits.hxx')
-rw-r--r--libodb-qt/odb/qt/smart-ptr/lazy-pointer-traits.hxx61
1 files changed, 61 insertions, 0 deletions
diff --git a/libodb-qt/odb/qt/smart-ptr/lazy-pointer-traits.hxx b/libodb-qt/odb/qt/smart-ptr/lazy-pointer-traits.hxx
new file mode 100644
index 0000000..6c7aa38
--- /dev/null
+++ b/libodb-qt/odb/qt/smart-ptr/lazy-pointer-traits.hxx
@@ -0,0 +1,61 @@
+// file : odb/qt/smart-ptr/lazy-pointer-traits.hxx
+// license : GNU GPL v2; see accompanying LICENSE file
+
+#ifndef ODB_QT_SMART_PTR_LAZY_POINTER_TRAITS_HXX
+#define ODB_QT_SMART_PTR_LAZY_POINTER_TRAITS_HXX
+
+#include <odb/pre.hxx>
+
+#include <odb/pointer-traits.hxx>
+#include <odb/qt/smart-ptr/lazy-ptr.hxx>
+
+namespace odb
+{
+ template <typename T>
+ class pointer_traits<QLazySharedPointer<T> >
+ {
+ public:
+ static const pointer_kind kind = pk_shared;
+ static const bool lazy = true;
+
+ typedef T element_type;
+ typedef QLazySharedPointer<element_type> pointer_type;
+ typedef QSharedPointer<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.template objectId<O> ();
+ }
+ };
+
+ template <typename T>
+ class pointer_traits<QLazyWeakPointer<T> >
+ {
+ public:
+ static const pointer_kind kind = pk_weak;
+ static const bool lazy = true;
+
+ typedef T element_type;
+ typedef QLazyWeakPointer<element_type> pointer_type;
+ typedef QLazySharedPointer<element_type> strong_pointer_type;
+ typedef QWeakPointer<element_type> eager_pointer_type;
+
+ static strong_pointer_type
+ lock (const pointer_type& p)
+ {
+ return p.toStrongRef ();
+ }
+ };
+}
+
+#include <odb/post.hxx>
+
+#endif // ODB_QT_SMART_PTR_LAZY_POINTER_TRAITS_HXX