From b5207e4bd61cccb247948d7c8d475dca53506cf6 Mon Sep 17 00:00:00 2001
From: lempinen <lempinen@ac1ea38d-2e2b-0410-8846-a27921b304fc>
Date: Mon, 28 Oct 2013 11:03:48 +0000
Subject: [PATCH] diagramRuntime is checked for null before it is used refs
 #4504

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@28137 ac1ea38d-2e2b-0410-8846-a27921b304fc
---
 .../ui/editor/participant/SelectionUpdaterParticipant.java   | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/editor/participant/SelectionUpdaterParticipant.java b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/editor/participant/SelectionUpdaterParticipant.java
index f6101015..023c78ce 100644
--- a/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/editor/participant/SelectionUpdaterParticipant.java
+++ b/org.simantics.sysdyn.ui/src/org/simantics/sysdyn/ui/editor/participant/SelectionUpdaterParticipant.java
@@ -73,6 +73,11 @@ public class SelectionUpdaterParticipant extends AbstractDiagramParticipant {
         @Override
         public void perform(WriteGraph graph) throws DatabaseException {
             Resource diagramRuntime = diagram.getHint(DiagramModelHints.KEY_DIAGRAM_RUNTIME_RESOURCE);
+            
+            if(diagramRuntime == null) {
+                return;
+            }
+            
             SysdynResource SR = SysdynResource.getInstance(graph);
             DiagramResource DR = DiagramResource.getInstance(graph);
 
-- 
2.47.1