Implementation of the route service

Change-Id: I4e905cf868ad69c426e4f4155dfd83e1f8b00335
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/routing/RouteService.java b/incubator/api/src/main/java/org/onosproject/incubator/net/routing/RouteService.java
index 3fd9e69..d4d6892 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/routing/RouteService.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/routing/RouteService.java
@@ -20,47 +20,28 @@
 import org.onosproject.event.ListenerService;
 
 import java.util.Collection;
+import java.util.Map;
 
 /**
- * IP unicast routing service.
+ * Unicast IP route service.
  */
 public interface RouteService extends ListenerService<RouteEvent, RouteListener> {
 
     /**
-     * Gets all routes.
+     * Returns all routes for all route tables in the system.
      *
-     * @return collection of all routes
+     * @return map of route table name to routes in that table
      */
-    Collection<Route> getRoutes();
+    Map<RouteTableId, Collection<Route>> getAllRoutes();
 
     /**
-     * Gets routes learnt from a particular source.
+     * Performs a longest prefix match on the given IP address. The call will
+     * return the route with the most specific prefix that contains the given
+     * IP address.
      *
-     * @param source route source
-     * @return collection of routes
-     */
-    Collection<Route> getRoutesFromSource(Route.Source source);
-
-    /**
-     * Gets the longest prefix route that matches the given IP address.
-     *
-     * @param ip IP addres
+     * @param ip IP address
      * @return longest prefix matched route
      */
     Route longestPrefixMatch(IpAddress ip);
 
-    //TODO should mutation methods be pushed to a different interface?
-    /**
-     * Updates the given routes in the route service.
-     *
-     * @param routes collection of routes to update
-     */
-    void update(Collection<Route> routes);
-
-    /**
-     * Withdraws the given routes from the route service.
-     *
-     * @param routes collection of routes to withdraw
-     */
-    void withdraw(Collection<Route> routes);
 }