diff --git a/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java b/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java
index 29c0dda..d947583 100644
--- a/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java
+++ b/AlgebraicDataflowArchitectureModel/src/application/editor/Editor.java
@@ -375,17 +375,17 @@
 
 			Map<DataTransferChannel, Object> channelsIn = new HashMap<>();
 			Map<DataTransferChannel, Object> channelsOut = new HashMap<>();
-			Map<Integer, Object> resources = new HashMap<>();
+			Map<ResourceNode, Object> resources = new HashMap<>();
 
 			// create resource vertices
 			for (ResourceNode resNode: dataFlowGraph.getRootResourceNodes()) {
 				int w = 80;
 				int h = 30;
-				ResourcePath res = resNode.getOutSideResource();
+				ResourcePath res = resNode.getOutSideResources().iterator().next();
 				Object resource = graph.insertVertex(parent, null,
 						res.getResourceName(), 20, 20, w, h,
 						"shape=ellipse;perimeter=ellipsePerimeter"); // insert a resource as a vertex
-				resources.put(System.identityHashCode(res), resource);
+				resources.put(resNode, resource);
 				getChildResource(resource, resNode, resources, w, h);
 			}
 			
@@ -395,7 +395,7 @@
 				if (channel.getInputResources().size() > 0) {
 					// Normal channel
 					if (channelsIn.get(channel) == null || channelsOut.get(channel) == null) {
-						if(channel.getSelectors().toString() == "[]") {
+						if (channel.getSelectors().toString() == "[]") {
 							Object chCell = graph.insertVertex(parent, null, channel.getChannelName(), 150, 20, 30, 30); // insert a channel as a vertex
 							mxCell port_in = new mxCell(null, geo1, "shape=ellipse;perimter=ellipsePerimeter");
 							port_in.setVertex(true);
@@ -405,8 +405,7 @@
 							graph.addCell(port_out, chCell);		// insert the output port of a channel
 							channelsIn.put(channel, port_in);
 							channelsOut.put(channel, port_out);
-						}else {
-
+						} else {
 							for (Selector s: channel.getSelectors()) {
 								Expression exp = s.getExpression();
 								String selName = exp.toString();	
@@ -465,20 +464,20 @@
 				if (dfEdge.isChannelToResource()) {
 					// output edge
 					DataTransferChannel channel = ((ChannelNode) dfEdge.getSource()).getChannel();
-					ResourcePath dstRes = ((ResourceNode) dfEdge.getDestination()).getOutSideResource();
-					graph.insertEdge(parent, null, new SrcDstAttribute(channel, dstRes), channelsOut.get(channel), resources.get(System.identityHashCode(dstRes)), "movable=false");
+					ResourcePath dstRes = ((ResourceNode) dfEdge.getDestination()).getOutSideResource(channel);
+					graph.insertEdge(parent, null, new SrcDstAttribute(channel, dstRes), channelsOut.get(channel), resources.get((ResourceNode) dfEdge.getDestination()), "movable=false");
 				} else {
 					// input edge
-					ResourcePath srcRes = ((ResourceNode) dfEdge.getSource()).getOutSideResource();
 					DataTransferChannel channel = ((ChannelNode) dfEdge.getDestination()).getChannel();	
+					ResourcePath srcRes = ((ResourceNode) dfEdge.getSource()).getOutSideResource(channel);
 					Set<Map.Entry<ResourceNode,ResourceNode>> toRes = getResourceDependencyForChannel(channel, model, dataFlowGraph);
-					for(Map.Entry<ResourceNode, ResourceNode> RtoR :  toRes) {
+					for(Map.Entry<ResourceNode, ResourceNode> RtoR: toRes) {
 						graph.insertEdge(parent, null, null,
-								resources.get(System.identityHashCode(RtoR.getValue().getOutSideResource())), 
-								resources.get(System.identityHashCode(RtoR.getKey().getOutSideResource())), "dashed=true;movable=false");
+								resources.get(RtoR.getValue()), 
+								resources.get(RtoR.getKey()), "dashed=true;movable=false");
 					}
 					
-					graph.insertEdge(parent, null, new SrcDstAttribute(srcRes, channel), resources.get(System.identityHashCode(srcRes)), channelsIn.get(channel), "movable=false");
+					graph.insertEdge(parent, null, new SrcDstAttribute(srcRes, channel), resources.get((ResourceNode) dfEdge.getSource()), channelsIn.get(channel), "movable=false");
 				}
 			}
 			
@@ -486,7 +485,7 @@
 				// reference edges
 				DataTransferChannel channel = (DataTransferChannel) ch;
 				for (ResourcePath refRes: channel.getReferenceResources()) {
-					graph.insertEdge(parent, null, null, resources.get(System.identityHashCode(refRes)), channelsIn.get(channel), "dashed=true;movable=false");
+					graph.insertEdge(parent, null, null, resources.get(dataFlowGraph.getResourceNode(refRes)), channelsIn.get(channel), "dashed=true;movable=false");
 				}
 			}
 		} finally {
@@ -498,14 +497,14 @@
 		return graph;
 	}
 
-	public void getChildResource(Object resource, ResourceNode resNode, Map<Integer, Object> resources, int w, int h) {
+	public void getChildResource(Object resource, ResourceNode resNode, Map<ResourceNode, Object> resources, int w, int h) {
 		
 		for (ResourceNode c: resNode.getChildren()) {
-			ResourcePath chRes = c.getOutSideResource();
+			ResourcePath chRes = c.getOutSideResources().iterator().next();
 			Object chResource = graph.insertVertex(resource, null,
 					chRes.getName(), 0, 0, w, h,
 					"shape=ellipse;perimeter=ellipsePerimeter"); // insert a resource as a vertex
-			resources.put(System.identityHashCode(chRes), chResource);
+			resources.put(c, chResource);
 			getChildResource(chResource, c, resources, w, h);
 		}
 	}
@@ -537,7 +536,7 @@
 							mxCell edgeCell = (mxCell) edge;
 							if (edgeCell.getValue() instanceof SrcDstAttribute) {
 								SrcDstAttribute edgeAttr = (SrcDstAttribute) edgeCell.getValue();
-								if (srcRes.getOutSideResource().equals(edgeAttr.getSource())  && channel.equals(edgeAttr.getDestination())) {
+								if (srcRes.getOutSideResources().iterator().next().equals(edgeAttr.getSource())  && channel.equals(edgeAttr.getDestination())) {
 									edgeCell.setValue(dataFlow.getAttribute());
 									break;
 								}