lib/etl/generator/surrogate_key_generator.rb in activewarehouse-etl-0.5.2 vs lib/etl/generator/surrogate_key_generator.rb in activewarehouse-etl-0.6.0

@@ -1,8 +1,9 @@
 module ETL #:nodoc:
   module Generator #:nodoc:
     # Surrogate key generator.
     class SurrogateKeyGenerator < Generator
+      # Get the next surrogate key
       def next
         @surrogate_key ||= 0
         @surrogate_key += 1
       end
     end
\ No newline at end of file