X-Git-Url: https://gerrit.simantics.org/r/gitweb?p=simantics%2Fplatform.git;a=blobdiff_plain;f=bundles%2Forg.simantics.objmap2%2Fsrc%2Forg%2Fsimantics%2Fobjmap%2Fgraph%2Frules%2FValueRule.java;h=2e2b81b191abe792826df445f55e548357df888c;hp=d40c44f2b3287975c1d9c12a2e791048a83be1d7;hb=0cb9829cf7fbee31bbc952c6313b01e195e8d010;hpb=aefd2e1032b23c86b153be48bcdfee9f8b4dd126

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 d40c44f2b..2e2b81b19 100644
--- 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
@@ -13,6 +13,9 @@ package org.simantics.objmap.graph.rules;
 
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
+
+import java.util.Objects;
+
 import org.simantics.db.ReadGraph;
 import org.simantics.db.WriteGraph;
 import org.simantics.objmap.backward.IBackwardMapping;
@@ -45,7 +48,7 @@ public class ValueRule<Domain, Range> implements IBidirectionalMappingRule<Domai
 	public boolean updateDomain(WriteGraph g, IBackwardMapping<Domain, Range> map,
 			Domain domainElement, Range rangeElement)
 			throws MappingException {
-        LOGGER.info("    ValueRule.updateDomain");	    
+        LOGGER.trace("    ValueRule.updateDomain");	    
 		Object value = rangeAccessor.get(rangeElement);
 		return domainAccessor.set(g, domainElement, value);
 	}
@@ -54,10 +57,17 @@ public class ValueRule<Domain, Range> implements IBidirectionalMappingRule<Domai
 	public boolean updateRange(ReadGraph g, IForwardMapping<Domain, Range> map,
 			Domain domainElement, Range rangeElement)
 			throws MappingException {
-        LOGGER.info("    ValueRule.updateRange");
+        LOGGER.trace("    ValueRule.updateRange");
 		Object value = domainAccessor.get(g, domainElement);
 		return rangeAccessor.set(rangeElement, value);
-	}	
+	}
+	
+	@Override
+	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));
+	}
 	
 	public void createDomain(WriteGraph g, IBackwardMapping<Domain,Range> map, Domain domainElement, Range rangeElement) throws MappingException {
 		updateDomain(g, map, domainElement, rangeElement);