Change buildRoute() to use only RouteId as the only parameter as srcId and...

Change buildRoute() to use only RouteId as the only parameter as srcId and dstId are included in it.

src/main/java/net/floodlightcontroller/topology/TopologyInstance.java

@@ -567,8 +567,10 @@ public class TopologyInstance {
         }
     }
 
-    protected Route buildroute(RouteId id, long srcId, long dstId) {
+    protected Route buildroute(RouteId id) {
         NodePortTuple npt;
+        long srcId = id.getSrc();
+        long dstId = id.getDst();
 
         LinkedList<NodePortTuple> switchPorts =
                 new LinkedList<NodePortTuple>();
@@ -668,7 +670,7 @@ public class TopologyInstance {
         if (pathcache.containsKey(id)) {
             result = pathcache.get(id);
         } else {
-            result = buildroute(id, srcId, dstId);
+            result = buildroute(id);
             pathcache.put(id, result);
         }
         if (log.isTraceEnabled()) {