From 57704e2a7c574a45f79a783bc125f90b7543034e Mon Sep 17 00:00:00 2001
From: lempinen <lempinen@ac1ea38d-2e2b-0410-8846-a27921b304fc>
Date: Thu, 21 Mar 2013 11:36:14 +0000
Subject: [PATCH] OBJMap update to support recognizing if something has changed
 (refs #4183)

git-svn-id: https://www.simantics.org/svn/simantics/sysdyn/trunk@27185 ac1ea38d-2e2b-0410-8846-a27921b304fc
---
 .../src/org/simantics/objmap/impl/Mapping.java            | 8 +++++---
 .../src/org/simantics/objmap/impl/RangeUpdateRequest.java | 4 ++--
 2 files changed, 7 insertions(+), 5 deletions(-)

diff --git a/org.simantics.objmap/src/org/simantics/objmap/impl/Mapping.java b/org.simantics.objmap/src/org/simantics/objmap/impl/Mapping.java
index cf4c33c9..abb726e7 100644
--- a/org.simantics.objmap/src/org/simantics/objmap/impl/Mapping.java
+++ b/org.simantics.objmap/src/org/simantics/objmap/impl/Mapping.java
@@ -275,12 +275,14 @@ public class Mapping implements IMapping {
 			if(listensDomain) {
 			    RangeUpdateRequest request = new RangeUpdateRequest(link, map, this);
 			    try {
-                    g.syncRequest(request, request);
+                    boolean modified = g.syncRequest(request, request);
+                    if(modified) {
+                        updated.add(link.rangeElement);
+                    }
                 } catch (DatabaseException e) {
                     throw new MappingException(e);
                 }
-			    // TODO check if really modified
-			    updated.add(link.rangeElement);
+
 			}
 			else
 			    if(link.type.updateRange(g, map, link.domainElement, link.rangeElement))
diff --git a/org.simantics.objmap/src/org/simantics/objmap/impl/RangeUpdateRequest.java b/org.simantics.objmap/src/org/simantics/objmap/impl/RangeUpdateRequest.java
index 3268d9e2..4c190658 100644
--- a/org.simantics.objmap/src/org/simantics/objmap/impl/RangeUpdateRequest.java
+++ b/org.simantics.objmap/src/org/simantics/objmap/impl/RangeUpdateRequest.java
@@ -38,9 +38,9 @@ public class RangeUpdateRequest implements Read<Boolean>, SyncListener<Boolean>
     @Override
     public Boolean perform(ReadGraph g) throws DatabaseException {
         if(map != null) {
-            link.type.updateRange(g, map, link.domainElement, link.rangeElement);
+            boolean updated = link.type.updateRange(g, map, link.domainElement, link.rangeElement);
             map = null;
-            return Boolean.TRUE;
+            return updated;
         }
         else if(mapping != null) {
             mapping.domainModified(link);
-- 
2.47.1