+ private void updateProdEdge(Edge edge, Set<Property> props) {
+ NodeConnector edgePort = edge.getHeadNodeConnector();
+
+ /* Do not update in case there is an existing OpenFlow link */
+ if (edgeMap.get(edgePort) != null) {
+ logger.trace("Discarded edge {} since there is an existing OF link {}",
+ edge, edgeMap.get(edgePort));
+ return;
+ }
+
+ /* Look for any existing Production Edge */
+ Edge oldEdge = prodMap.get(edgePort);
+ if (oldEdge == null) {
+ /* Let's add a new one */
+ addEdge(edge, props);
+ } else if (!edge.equals(oldEdge)) {
+ /* Remove the old one first */
+ removeProdEdge(oldEdge.getHeadNodeConnector());
+ /* Then add the new one */
+ addEdge(edge, props);
+ } else {
+ /* o/w, just reset the aging timer */
+ NodeConnector dst = edge.getHeadNodeConnector();
+ agingMap.put(dst, 0);
+ }
+ }
+
+ /**
+ * Remove Production Edge for a given edge port
+ *
+ * @param edgePort The OF edge port
+ */
+ private void removeProdEdge(NodeConnector edgePort) {
+ agingMap.remove(edgePort);