Fix change comparison expressions in mapping rules

[simantics/platform.git] / bundles / org.simantics.objmap2 / src / org / simantics / objmap / graph / rules / MappedElementRule.java

diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/MappedElementRule.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/MappedElementRule.java
index a0b7befed3951850a64c7816ad0902f13ca75058..251895ad72a1aedc7aac9966b5f51b5bc83aa08b 100644 (file)
--- a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/MappedElementRule.java
+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/MappedElementRule.java
@@ -67,7 +67,7 @@ public class MappedElementRule<Domain, Range> implements IBidirectionalMappingRu
        public boolean checkChanges(ReadGraph g, IForwardMapping<Domain, Range> map, Domain domainElement, Range rangeElement) throws MappingException {
            Domain value = domainAccessor.get(g, domainElement);
            Range mappedValue = value == null ? null : map.map(g, value);
-           return mappedValue == rangeAccessor.get(rangeElement);
+           return mappedValue != rangeAccessor.get(rangeElement);
        }
        
     @Override