Module: DataMapper::Model::Relationship

Defined in:
lib/associations.rb

Instance Method Summary collapse

Instance Method Details

#has(cardinality, name, *args) ⇒ Object 



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# File 'lib/associations.rb', line 7

def has(cardinality, name, *args)
  opts = args.extract_options!
  if interface = opts.delete(:polymorphically)
    # get the child model
    child_model_name =  opts.fetch(:class_name, Extlib::Inflection.classify(name))
    child_klass =       Extlib::Inflection.constantize(child_model_name)
    belongs_to_name =   Extlib::Inflection.underscore(Extlib::Inflection.demodulize(self.name))
    
    # Setup the has with the right stuff
    has_without_polymorphism cardinality, name,   :child_key => [:"#{interface}_id"], :"#{interface}_class" => self
    child_klass.belongs_to :"#{belongs_to_name}", :child_key => [:"#{interface}_id"], :"#{interface}_class" => self
  else
    has_without_polymorphism(cardinality, name, *(args + [opts]))
  end
end

#has_without_polymorphism ⇒ Object 



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# File 'lib/associations.rb', line 5

alias_method :has_without_polymorphism, :has