# File lib/taskjuggler/Attributes.rb, line 248
    def initialize(property, type, container)
      super
    end

# File lib/taskjuggler/Attributes.rb, line 252
    def DurationAttribute::tjpId
      'duration'
    end

# File lib/taskjuggler/Attributes.rb, line 260
    def to_s(query = nil)
      query ? query.scaleDuration(query.project.slotsToDays(get)) :
              get.to_s
    end

# File lib/taskjuggler/Attributes.rb, line 256
    def to_tjp
      @type.id + ' ' + get.to_s + 'h'
    end