snippet.txt

      association = history.ticket.model.relationships.select { |key, value| 
        value.child_key.named?(field_name.to_sym) && value.child_key.length == 1 
      }
      
      unless association.empty? || association.first.length != 2
        self.belongs_to_class = association.first[1].parent_model.to_s
      end#of unless