# --------------------------------------------
class FMU::Model::Variable
# --------------------------------------------

  attr_reader :name, :reference, :input, :output, :description, :start

  def initialize(attributes)
    @name = attributes['name']
    @reference = attributes['valueReference'].to_i
    @input = !!(attributes['causality'] =~ /input/i) || (attributes['variability'] =~ /parameter/i)
    @output = !!(attributes['causality'] =~ /output/i)
    @description = attributes['description']
  end

  define_method("<=>".to_sym) do |other|
    @reference <=> other.reference
  end

  # jrubyc doesn't like the =
  # def <=>(other)
  #   @reference <=> other.reference
  # end
end