X-Git-Url: https://gerrit.simantics.org/r/gitweb?a=blobdiff_plain;f=org.simantics.interop%2Fsrc%2Forg%2Fsimantics%2Finterop%2Ftest%2FTypeComparator.java;h=1417588f10f7ac828386176d8edaace5d55a1196;hb=499167aa0bcc2cab0066b87ef4a690c16ea92754;hp=fc0268ec6372a4258d05ea43c902a0b52ebc43b6;hpb=4399a40e11996b9a373f522af995a19a05493dd3;p=simantics%2Finterop.git

diff --git a/org.simantics.interop/src/org/simantics/interop/test/TypeComparator.java b/org.simantics.interop/src/org/simantics/interop/test/TypeComparator.java
index fc0268e..1417588 100644
--- a/org.simantics.interop/src/org/simantics/interop/test/TypeComparator.java
+++ b/org.simantics.interop/src/org/simantics/interop/test/TypeComparator.java
@@ -16,12 +16,13 @@ import org.simantics.layer0.Layer0;
 /**
  * Object comparator that uses type of objects to check if objects are comparable. 
  * 
- * Difference value is amount of properties that have different values.
+ * Difference value is amount of properties that have different values. If objects have no properties, the result is 0 (unreliable).
+ * 
  * 
  * @author Marko Luukkainen <marko.luukkainen@vtt.fi>
  *
  */
-public class TypeComparator extends ObjectComparator {
+public class TypeComparator extends ResourceComparator {
 
 	
 	ArrayList<Resource> rs1 = new ArrayList<Resource>();
@@ -69,11 +70,14 @@ public class TypeComparator extends ObjectComparator {
 		ss1.addAll(g.getStatements(r1, l0.HasProperty));
 		ss2.addAll(g.getStatements(r2, l0.HasProperty));
 		
+		if (ss1.size() == 0 && ss2.size() == 0)
+			return 0;
+		
 		Comparator<Statement> scomp = getComparator().getStatementComparator();
 		
 		getComparator().sortStatement(ss1, ss2);
 		
-		int count = 0;
+		int count = 1;
 		
 		int i1 = 0; 
 		int i2 = 0;