after_update :maybe_invalidate_permissions_cache
after_create :maybe_invalidate_permissions_cache
after_destroy :maybe_invalidate_permissions_cache
- attr_accessor :head_kind, :tail_kind
validate :name_links_are_obsolete
api_accessible :user, extend: :common do |t|
t.add :properties
end
- def properties
- @properties ||= Hash.new
- super
- end
-
def head_kind
if k = ArvadosModel::resource_class_for_uuid(head_uuid)
k.kind