diff --git a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/UniqueIDUtils.java b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/UniqueIDUtils.java
index 77ef138fe77f9e0db5540eb226641405703dfc1b..7051d73509034b23551cfbfb1cc4f437ee2285af 100644
--- a/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/UniqueIDUtils.java
+++ b/org.fortiss.tooling.kernel/trunk/src/org/fortiss/tooling/kernel/utils/UniqueIDUtils.java
@@ -33,7 +33,7 @@ import org.fortiss.tooling.kernel.model.IIdLabeled;
  * @author hoelzl
  * @author $Author$
  * @version $Rev$
- * @ConQAT.Rating YELLOW Hash: 8A4299022B07F32CEED5A061DC03FBD2
+ * @ConQAT.Rating YELLOW Hash: 20798F4B379821E393B1CC36691662EA
  */
 public class UniqueIDUtils {
 
@@ -58,6 +58,23 @@ public class UniqueIDUtils {
 		return currentMaxId;
 	}
 
+	/**
+	 * Generates all IDs of the given model. Already existing IDs are
+	 * overwritten.
+	 * 
+	 * @param existingModel
+	 *            the model to be updated
+	 */
+	public static void generateAllIDs(EObject existingModel) {
+		int currentId = 0;
+		for (Iterator<EObject> i = existingModel.eAllContents(); i.hasNext();) {
+			EObject eo = i.next();
+			if (eo instanceof IIdLabeled) {
+				((IIdLabeled) eo).setId((++currentId));
+			}
+		}
+	}
+
 	/**
 	 * Assigns unique IDs to the given object and its content.
 	 *