From 5b4056e1b2b4b0465657426bb9943b52643fd240 Mon Sep 17 00:00:00 2001
From: Sukhwinder Dhillon <sukhwinder33445@gmail.com>
Date: Tue, 4 Oct 2022 10:23:55 +0200
Subject: [PATCH] ServiceNode: `getAlias()` returns null if host or service
 alias is null

---
 library/Businessprocess/ServiceNode.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/library/Businessprocess/ServiceNode.php b/library/Businessprocess/ServiceNode.php
index 6160bce..53cef21 100644
--- a/library/Businessprocess/ServiceNode.php
+++ b/library/Businessprocess/ServiceNode.php
@@ -65,6 +65,10 @@ class ServiceNode extends MonitoredNode
 
     public function getAlias()
     {
+        if ($this->getHostAlias() === null || $this->alias === null) {
+            return null;
+        }
+
         return $this->getHostAlias() . ': ' . $this->alias;
     }