diff --git a/AlgebraicDataflowArchitectureModel/src/models/controlFlowModel/CallGraph.java b/AlgebraicDataflowArchitectureModel/src/models/controlFlowModel/CallGraph.java
index 1e5e8f7..7c82b70 100644
--- a/AlgebraicDataflowArchitectureModel/src/models/controlFlowModel/CallGraph.java
+++ b/AlgebraicDataflowArchitectureModel/src/models/controlFlowModel/CallGraph.java
@@ -75,6 +75,19 @@
 		dstObjNode.addInEdge(edge);
 	}
 	
+	public void addAncestorNodes(ResourceNode node) {
+		addNode(node);
+		
+		ResourceNode parent = node.getParent();
+		StatefulObjectNode statefulObjectNode = statefulObjMap.get(node);
+		if (parent != null) {
+			addAncestorNodes(parent);
+			
+			StatefulObjectNode parentStatefulObjectNode = statefulObjMap.get(parent);
+			parentStatefulObjectNode.addChild(statefulObjectNode);
+		}
+	}
+	
 	public StatefulObjectNode getStatefulObjectNode(ResourceNode resNode) {
 		return statefulObjMap.get(resNode);
 	}