class method self.new

# File actionpack/lib/action_controller/session/active_record_store.rb, line 286
      def initialize(session, option = nil)
        session_id = session.session_id
        unless @session = ActiveRecord::Base.silence { @@session_class.find_by_session_id(session_id) }
          unless session.new_session
            raise CGI::Session::NoSession, 'uninitialized session'
          end
          @session = @@session_class.new(:session_id => session_id, :data => {})
          # session saving can be lazy again, because of improved component implementation
          # therefore next line gets commented out:
          # @session.save
        end
      end