# File lib/merb-core/dispatch/session/store_container.rb, line 148
    def finalize(request)
      if @_destroy
        store.delete_session(self.session_id)
        request.destroy_session_cookie
      else
        if _fingerprint != Marshal.dump(data = self.to_hash).hash
          begin
            store.store_session(request.session(self.class.session_store_type).session_id, data)
          rescue => err
            Merb.logger.warn!("Could not persist session to #{self.class.name}: #{err.message}")
          end
        end
        if needs_new_cookie || Merb::SessionMixin.needs_new_cookie?
          request.set_session_id_cookie(self.session_id)
        end
      end
    end