diff options
author | Karen Arutyunov <karen@codesynthesis.com> | 2021-04-22 21:57:13 +0300 |
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committer | Karen Arutyunov <karen@codesynthesis.com> | 2021-07-09 14:06:57 +0300 |
commit | 5d513688ae07d96910dd1eef83bdad4e9d780373 (patch) | |
tree | 402a87bbdb79a5a2392b714553e567465c3415c1 /bpkg/pointer-traits.hxx | |
parent | 50a5c7b14250dab7941e8b0a67dfe6c442d2c5a9 (diff) |
Add support for linked configurations
Diffstat (limited to 'bpkg/pointer-traits.hxx')
-rw-r--r-- | bpkg/pointer-traits.hxx | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/bpkg/pointer-traits.hxx b/bpkg/pointer-traits.hxx new file mode 100644 index 0000000..a63b289 --- /dev/null +++ b/bpkg/pointer-traits.hxx @@ -0,0 +1,58 @@ +// file : bpkg/pointer-traits.hxx -*- C++ -*- +// license : MIT; see accompanying LICENSE file + +#ifndef BPKG_POINTER_TRAITS_HXX +#define BPKG_POINTER_TRAITS_HXX + +#include <bpkg/types.hxx> + +#include <odb/pointer-traits.hxx> + +namespace odb +{ + template <typename T> + class pointer_traits<bpkg::lazy_shared_ptr<T>> + { + public: + static const pointer_kind kind = pk_shared; + static const bool lazy = true; + + typedef T element_type; + typedef bpkg::lazy_shared_ptr<element_type> pointer_type; + typedef bpkg::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.template object_id<O> (); + } + }; + + template <typename T> + class pointer_traits<bpkg::lazy_weak_ptr<T>> + { + public: + static const pointer_kind kind = pk_weak; + static const bool lazy = true; + + typedef T element_type; + typedef bpkg::lazy_weak_ptr<element_type> pointer_type; + typedef bpkg::lazy_shared_ptr<element_type> strong_pointer_type; + typedef bpkg::weak_ptr<element_type> eager_pointer_type; + + static strong_pointer_type + lock (const pointer_type& p) + { + return p.lock (); + } + }; +} + +#endif // BPKG_POINTER_TRAITS_HXX |