source.rb in activewarehouse-etl-0.5.0

- old
+ new

@@ -1,13 +1,24 @@
 module ETL #:nodoc:
   module Control #:nodoc:
     # ETL source. Subclasses must implement the <tt>each</tt> method.
     class Source
       include Enumerable
-      attr_accessor :control, :configuration, :definition
       
+      # The control object
+      attr_accessor :control
+      
+      # The configuration Hash
+      attr_accessor :configuration
+      
+      # The definition Hash
+      attr_accessor :definition
+      
       class << self
+        # Convert the name to a Source class.
+        # 
+        # For example if name is :database then this will return a DatabaseSource class
         def class_for_name(name)
           ETL::Control.const_get("#{name.to_s.classify}Source")
         end
       end
       
@@ -17,9 +28,13 @@
       # * <tt>definition</tt>: The source layout definition
       def initialize(control, configuration, definition)
         @control = control
         @configuration = configuration
         @definition = definition
+      end
+      
+      def errors
+        @errors ||= []
       end
     end
   end
 end
 
\ No newline at end of file