lib/transitions/state_transition.rb in transitions-0.0.9 vs lib/transitions/state_transition.rb in transitions-0.0.10

@@ -44,9 +44,18 @@
       case @on_transition
       when Symbol, String
         obj.send(@on_transition, *args)
       when Proc
         @on_transition.call(obj, *args)
+      when Array
+        @on_transition.each do |callback|
+          # Yes, we're passing always the same parameters for each callback in here.
+          # We should probably drop args altogether in case we get an array.
+          obj.send(callback, *args)
+        end
+      else
+        # TODO We probably should check for this in the constructor and not that late.
+        raise ArgumentError, "You can only pass a Symbol, a String, a Proc or an Array to 'on_transition' - got #{@on_transition.class}." unless @on_transition.nil?
       end
     end
 
     def ==(obj)
       @from == obj.from && @to == obj.to