/**
  * Get the subscriptions for this notification event
  *
  * The return array is of the form:
  *
  * array(
  *     <user guid> => array('email', 'sms', 'ajax'),
  * );
  *
  * @param Elgg_Notifications_Event $event Notification event
  * @return array
  */
 public function getSubscriptions(Elgg_Notifications_Event $event)
 {
     $subscriptions = array();
     if (!$this->methods) {
         return $subscriptions;
     }
     $object = $event->getObject();
     if (!$object) {
         return $subscriptions;
     }
     $prefixLength = strlen(self::RELATIONSHIP_PREFIX);
     $records = $this->getSubscriptionRecords($object->getContainerGUID());
     foreach ($records as $record) {
         $deliveryMethods = explode(',', $record->methods);
         $subscriptions[$record->guid] = substr_replace($deliveryMethods, '', 0, $prefixLength);
     }
     $params = array('event' => $event);
     return elgg_trigger_plugin_hook('get', 'subscriptions', $params, $subscriptions);
 }
 /**
  * Is someone using the deprecated override
  * 
  * @param Elgg_Notifications_Event $event Event
  * @return boolean
  */
 protected function existsDeprecatedNotificationOverride(Elgg_Notifications_Event $event)
 {
     $entity = $event->getObject();
     if (!elgg_instanceof($entity)) {
         return false;
     }
     $params = array('event' => $event->getAction(), 'object_type' => $entity->getType(), 'object' => $entity);
     $hookresult = $this->hooks->trigger('object:notifications', $entity->getType(), $params, false);
     if ($hookresult === true) {
         elgg_deprecated_notice("Using the plugin hook 'object:notifications' has been deprecated by the hook 'send:before', 'notifications'", 1.9);
         return true;
     } else {
         return false;
     }
 }