From 24827f8f9b30dcf4477d977097ef0fe223745c63 Mon Sep 17 00:00:00 2001
From: Radoslaw Karabowicz <r.karabowicz@gsi.de>
Date: Wed, 21 Sep 2022 15:01:50 +0200
Subject: [PATCH] Make FairRunOnline::AddObject virtual

Addresses issue #1226.
---
 base/steer/FairRunOnline.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/base/steer/FairRunOnline.h b/base/steer/FairRunOnline.h
index e4d9c26f97..3fdf9773ff 100644
--- a/base/steer/FairRunOnline.h
+++ b/base/steer/FairRunOnline.h
@@ -65,7 +65,7 @@ class FairRunOnline : public FairRun
     Bool_t GetContainerStatic() { return fStatic; };
 
     /** Add histogram to be displayed using THttpServer.*/
-    void AddObject(TObject* object);
+    virtual void AddObject(TObject* object);
 
     /** Activate http server on defined host port. To be called before Init.
      * @param refreshRate an interval in number of events for server update.
@@ -108,7 +108,7 @@ class FairRunOnline : public FairRun
 
     virtual void Fill();
 
-    ClassDef(FairRunOnline, 0);
+    ClassDef(FairRunOnline, 1);
 };
 
 #endif   // FAIRRUNONLINE_H