ken_usage_new.rb

resource.attributes.each do |attribute|
  puts attribute.property.name
  puts "--------------------------------"

  # there are 4 possible variants
  #######################################
  # non-unique value type
  # non-unique object type
  # unique value type
  # unique object type
  
  if attribute.unique? #unique
    if attribute.object_type? # unique object
      puts attribute.name if attribute.name
    else # unique value
      puts attribute
    end
  else # non-unique
    if attribute.object_type? # non-unique object type
      attribute.each do |resource|
        puts resource.name if resource.name
      end
    else # non-unique value type
      attribute.each do |resource|
        puts resource if resource
      end
    end
  end
  puts # empty line
end