diff --git a/apps/routing-api/src/main/java/org/onosproject/routing/RoutingService.java b/apps/routing-api/src/main/java/org/onosproject/routing/RoutingService.java
index 7774082..5706211 100644
--- a/apps/routing-api/src/main/java/org/onosproject/routing/RoutingService.java
+++ b/apps/routing-api/src/main/java/org/onosproject/routing/RoutingService.java
@@ -15,21 +15,23 @@
  */
 package org.onosproject.routing;
 
-import java.util.Collection;
-
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.MacAddress;
 import org.onosproject.net.ConnectPoint;
 
+import java.util.Collection;
+
 /**
  * Provides a way of interacting with the RIB management component.
  */
 public interface RoutingService {
 
+    String ROUTER_APP_ID = "org.onosproject.router";
+
     /**
      * Specifies the type of an IP address or an IP prefix location.
      */
-    static enum LocationType {
+    enum LocationType {
         /**
          * The location of an IP address or an IP prefix is in local SDN network.
          */