+ def save_with_dependencies!
+ save!
+ #not sure whats going on here
+ clear_aggregation_cache
+ clear_association_cache
+ #ok from here
+ @attributes.update(OldNode.where(:node_id => self.node_id, :timestamp => self.timestamp, :version => self.version).first.instance_variable_get('@attributes'))
+
+ self.tags.each do |k,v|
+ tag = OldNodeTag.new
+ tag.k = k
+ tag.v = v
+ tag.node_id = self.node_id
+ tag.version = self.version
+ tag.save!
+ end