From f9f61be7aa454afda474bd61969b6bb20ca2b031 Mon Sep 17 00:00:00 2001
From: Markus Frosch <markus.frosch@icinga.com>
Date: Thu, 27 Oct 2016 15:39:39 +0200
Subject: [PATCH] IcingaObject: Allow replaceWith on non-apply Objects

This broke with assign_filter changes, we should not throw an error when
the filter is actually null.

replaceWith() re-sets all vars.

refs #12033
---
 library/Director/Objects/IcingaObject.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/library/Director/Objects/IcingaObject.php b/library/Director/Objects/IcingaObject.php
index 438eceb7..f0eb1b56 100644
--- a/library/Director/Objects/IcingaObject.php
+++ b/library/Director/Objects/IcingaObject.php
@@ -396,7 +396,7 @@ abstract class IcingaObject extends DbObject implements IcingaConfigRenderer
      */
     public function setAssign_filter($filter)
     {
-        if (! $this->supportsAssignments()) {
+        if (! $this->supportsAssignments() && $filter !== null) {
             if ($this->hasProperty('object_type')) {
                 $type = $this->object_type;
             } else {