class ActiveFedora::Associations::Builder::IndirectlyContains

def self.define_readers(mixin, name)
  super
  mixin.redefine_method("#{name.to_s.singularize}_ids") do
    association(name).ids_reader
  end
end

def self.macro
  :indirectly_contains
end

def self.valid_options(options)
  super + [:has_member_relation, :is_member_of_relation, :inserted_content_relation, :foreign_key, :through] - [:predicate]
end

def self.validate_options(options)
  super
  raise ArgumentError, "You must specify a predicate for #{name}" if !options[:has_member_relation] && !options[:is_member_of_relation]
  raise ArgumentError, "Predicate must be a kind of RDF::URI" if !options[:has_member_relation].is_a?(RDF::URI) && !options[:is_member_of_relation].is_a?(RDF::URI)
  raise ArgumentError, "Missing :through option" unless options[:through]
  raise ArgumentError, "Missing :foreign_key option" unless options[:foreign_key]
end