Fix change comparison expressions in mapping rules

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

diff --git a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/ValueRule.java b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/ValueRule.java
index cbea3253a9135fd403d81c016eacd2cae8ad2377..2e2b81b191abe792826df445f55e548357df888c 100644 (file)
--- a/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/ValueRule.java
+++ b/bundles/org.simantics.objmap2/src/org/simantics/objmap/graph/rules/ValueRule.java
@@ -66,7 +66,7 @@ public class ValueRule<Domain, Range> implements IBidirectionalMappingRule<Domai
        public boolean checkChanges(ReadGraph g, IForwardMapping<Domain, Range> map, Domain domainElement,
                        Range rangeElement) throws MappingException {
                Object value = rangeAccessor.get(rangeElement);
-               return Objects.equals(value, domainAccessor.get(g, domainElement));
+               return !Objects.equals(value, domainAccessor.get(g, domainElement));
        }
        
        public void createDomain(WriteGraph g, IBackwardMapping<Domain,Range> map, Domain domainElement, Range rangeElement) throws MappingException {