class ActsAsJoinable::Relationship < ActiveRecord::Base
  acts_as_relationship
  
  def swap_parent_and_child
    old_parent_type   = self.parent_type
    old_parent_id     = self.parent_id
    old_child_type    = self.child_type
    old_child_id      = self.child_id

    self.parent_type  = old_child_type
    self.parent_id    = old_child_id
    self.child_type   = old_parent_type
    self.child_id     = old_parent_id

    self.save!
  end
end