object_id.hpp: Add is<T>() and as<T>() template functions to object_id_type

2015-09-24 12:55:10 -04:00 · 2015-09-24 12:55:10 -04:00 · 1fb327f6a0
commit 1fb327f6a0
parent 83b4edf870
1 changed files with 13 additions and 0 deletions
--- a/libraries/db/include/graphene/db/object_id.hpp
+++ b/libraries/db/include/graphene/db/object_id.hpp
@ -67,6 +67,19 @@ namespace graphene { namespace db {
         return a.number < b.number;
      }

+      template< typename T >
+      bool is() const
+      {
+         return (number >> 48) == ((T::space_id << 8) | (T::type_id));
+      }
+
+      template< typename T >
+      T as() const
+      {
+         FC_ASSERT( is<T>() );
+         return T( *this );
+      }
+
      uint64_t                   number;
   };