lib/dependor/instantiator.rb in dependor-1.0.0 vs lib/dependor/instantiator.rb in dependor-1.0.1

@@ -1,24 +1,15 @@
 module Dependor
   class Instantiator
-    def initialize(injector)
+    attr_reader :dependency_names
+
+    def initialize(injector, dependency_names)
       @injector = injector
-      @constructor_params = {}
+      @dependency_names = dependency_names
     end
 
     def instantiate(klass)
-      dependencies = dependecy_names_for(klass).map{|name| @injector.get(name)}
+      dependencies = dependency_names.for_class(klass).map{|name| @injector.get(name)}
       return klass.new(*dependencies)
-    end
-
-    private
-
-    def dependecy_names_for(klass)
-      @constructor_params[klass] ||= get_constructor_params(klass)
-    end
-
-    def get_constructor_params(klass)
-      params = klass.instance_method(:initialize).parameters
-      params.select{|type, name| type == :req}.map{|type, name| name}
     end
   end
 end