+
+ /**
+ * Announces this hub to the upper (bootstrap or list) hubs. After this is
+ * successfully done the given task is unregistered from the handler.
+ *
+ * @param $taskInstance The task instance running this announcement
+ * @return void
+ * @throws HubAlreadyAnnouncedException If this hub is already announced
+ */
+ function announceSelfToUpperNodes (Taskable $taskInstance);
+
+ /**
+ * Does a self-connect attempt on the public IP address. This should make
+ * it sure, we are reachable from outside world.
+ *
+ * @param $taskInstance The task instance running this announcement
+ * @return void
+ */
+ function doSelfConnection (Taskable $taskInstance);
+
+ /**
+ * "Getter for address:port combination
+ *
+ * @param $handlerInstance A valid Networkable instance
+ * @return $addressPort A address:port combination for this node
+ */
+ function getAddressPort (Networkable $handlerInstance);
+
+ /**
+ * Adds hub data elements to a given dataset instance
+ *
+ * @param $criteriaInstance An instance of a storeable criteria
+ * @param $requestInstance An instance of a Requestable class
+ * @return void
+ */
+ function addElementsToDataSet (StoreableCriteria $criteriaInstance, Requestable $requestInstance);
+
+ /**
+ * Updates/refreshes node data (e.g. state).
+ *
+ * @return void
+ */
+ function updateNodeData ();