gistfile1.rb

[:id, :tag, :type, :type_name].each { |y| 
  define_method "#{object_type}_#{y}" do |id|
    @object_ids ||= {}
    @object_ids[[$Ot.currentVariant, object_type]] ||= self.send("get_x_to_#{y}_hash", object_type.to_sym)
    if [:type,:type_name].include?(y)
      rv = @object_types[object_type][nr][serie.to_serie]
      return (rv.is_a?(Fixnum) || rv.is_a?(String)) ? rv : nil
    else
      return @object_ids[object_type][id]
    end
  end
}