From 1fb327f6a0470a548def002506cf5fe5ea7be43d Mon Sep 17 00:00:00 2001
From: theoreticalbts <theoreticalbts@users.noreply.github.com>
Date: Thu, 24 Sep 2015 12:55:10 -0400
Subject: [PATCH] object_id.hpp:  Add is<T>() and as<T>() template functions to
 object_id_type

---
 libraries/db/include/graphene/db/object_id.hpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/libraries/db/include/graphene/db/object_id.hpp b/libraries/db/include/graphene/db/object_id.hpp
index eb784f90..00a616e6 100644
--- 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;
    };