model_class

# File activerecord/lib/active_record/fixtures.rb, line 646
    def model_class
      unless defined?(@model_class)
        @model_class =
          if @class_name.nil? || @class_name.is_a?(Class)
            @class_name
          else
            @class_name.constantize rescue nil
          end
      end

      @model_class
    end