lib/surrounded/context/role_map.rb in surrounded-0.9.1 vs lib/surrounded/context/role_map.rb in surrounded-0.9.2

@@ -1,9 +1,29 @@
 require 'triad'
 require 'surrounded/context_errors'
 module Surrounded
   module Context
-    class RoleMap < Triad
+    class RoleMap
+
+      class << self
+        def from_base(klass=::Triad)
+          role_mapper = Class.new(::Surrounded::Context::RoleMap)
+          num = __LINE__; role_mapper.class_eval %{
+            def container
+              @container ||= #{klass}.new
+            end
+          }, __FILE__, num
+          %w{ update each values keys }.each do |meth|
+            num = __LINE__; role_mapper.class_eval %{
+              def #{meth}(*args, &block)
+                container.send(:#{meth}, *args, &block)
+              end
+            }, __FILE__, num
+          end
+          role_mapper
+        end
+      end
+
       def role?(role)
         keys.include?(role)
       end
 
       def role_player?(object)
\ No newline at end of file