ONOS-2184 - Implemented Virtual Network DeviceService and LinkService to use
VirtualNetwork service.

Change-Id: I695af440bc2fc5d688f8b9cf5201375bacd02e8a
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkStore.java b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkStore.java
index 663c208..11bcc7b 100644
--- a/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkStore.java
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/virtual/VirtualNetworkStore.java
@@ -145,6 +145,14 @@
     Set<VirtualNetwork> getNetworks(TenantId tenantId);
 
     /**
+     * Returns the virtual network for the given network identifier.
+     *
+     * @param networkId  network identifier
+     * @return the virtual network
+     */
+    VirtualNetwork getNetwork(NetworkId networkId);
+
+    /**
      * Returns the list of devices in the specified virtual network.
      *
      * @param networkId network identifier