properties.rb in odata4-0.8.2

- old
+ new

@@ -3,14 +3,16 @@
 
 # Implementations
 require 'odata4/properties/binary'
 require 'odata4/properties/boolean'
 require 'odata4/properties/collection'
+require 'odata4/properties/complex'
 require 'odata4/properties/date'
 require 'odata4/properties/date_time'
 require 'odata4/properties/date_time_offset'
 require 'odata4/properties/decimal'
+require 'odata4/properties/enum'
 require 'odata4/properties/float'
 require 'odata4/properties/geography'
 require 'odata4/properties/guid'
 require 'odata4/properties/integer'
 require 'odata4/properties/string'
@@ -18,9 +20,13 @@
 require 'odata4/properties/time_of_day'
 
 OData4::Properties.constants.each do |property_name|
   klass = OData4::Properties.const_get(property_name)
   if klass.is_a?(Class)
-    property = klass.new('test', nil)
-    OData4::PropertyRegistry.add(property.type, property.class)
+    begin
+      property = klass.new('test', nil)
+      OData4::PropertyRegistry.add(property.type, property.class)
+    rescue NotImplementedError
+      # Abstract type classes cannot be instantiated, ignore
+    end
   end
 end