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// 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
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