has_many :containing_relation_members, :class_name => "RelationMember", :as => :member
has_many :containing_relations, :class_name => "Relation", :through => :containing_relation_members, :source => :relation, :extend => ObjectFinder
- # Atomic undelete support
- has_many :old_way_nodes
- has_many :ways_via_history, :class_name=> "Way", :through => :old_way_nodes, :source => :way
-
# Sanity check the latitude and longitude and add an error if it's broken
def validate_position
errors.add_to_base("Node is not in the world") unless in_world?