diff --git a/apps/route-service/api/src/main/java/org/onosproject/routeservice/RouteStore.java b/apps/route-service/api/src/main/java/org/onosproject/routeservice/RouteStore.java
index 6866762..5eaa898 100644
--- a/apps/route-service/api/src/main/java/org/onosproject/routeservice/RouteStore.java
+++ b/apps/route-service/api/src/main/java/org/onosproject/routeservice/RouteStore.java
@@ -17,6 +17,7 @@
 package org.onosproject.routeservice;
 
 import com.google.common.annotations.Beta;
+import org.apache.commons.lang3.NotImplementedException;
 import org.onlab.packet.IpAddress;
 import org.onlab.packet.IpPrefix;
 import org.onosproject.store.Store;
@@ -44,6 +45,16 @@
     void removeRoute(Route route);
 
     /**
+     * Replaces the all the routes for a prefix
+     * with the given route.
+     *
+     * @param route route
+     */
+    default void replaceRoute(Route route) {
+        throw new NotImplementedException("replaceRoute is not implemented");
+    }
+
+    /**
      * Returns the IDs for all route tables in the store.
      *
      * @return route table IDs
diff --git a/apps/route-service/api/src/test/java/org/onosproject/routeservice/RouteStoreAdapter.java b/apps/route-service/api/src/test/java/org/onosproject/routeservice/RouteStoreAdapter.java
index bf9e527..117a98b 100644
--- a/apps/route-service/api/src/test/java/org/onosproject/routeservice/RouteStoreAdapter.java
+++ b/apps/route-service/api/src/test/java/org/onosproject/routeservice/RouteStoreAdapter.java
@@ -36,6 +36,11 @@
     }
 
     @Override
+    public void replaceRoute(Route route) {
+
+    }
+
+    @Override
     public Set<RouteTableId> getRouteTables() {
         return null;
     }