Inter-connect k8s and openstack intg bridge, kbr-ex and kbr-router

Change-Id: Id7d3c874e8b267252ca387b1ca6f67b9f9bc5116
diff --git a/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sTunnelBridge.java b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sTunnelBridge.java
index 50d155e..510c9b7 100644
--- a/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sTunnelBridge.java
+++ b/apps/k8s-node/api/src/main/java/org/onosproject/k8snode/api/K8sTunnelBridge.java
@@ -29,7 +29,7 @@
 /**
  * K8s tunnel bridge.
  */
-public class K8sTunnelBridge {
+public class K8sTunnelBridge implements K8sBridge {
 
     private static final String OF_PREFIX = "of:";
 
@@ -44,11 +44,7 @@
         this.tunnelId = tunnelId;
     }
 
-    /**
-     * Returns device identifier.
-     *
-     * @return device identifier
-     */
+    @Override
     public DeviceId deviceId() {
         return DeviceId.deviceId(dpid());
     }
@@ -62,20 +58,12 @@
         return tunnelId;
     }
 
-    /**
-     * Return the datapath identifier.
-     *
-     * @return datapath identifier
-     */
+    @Override
     public String dpid() {
         return genDpidFromName(name());
     }
 
-    /**
-     * Returns bridge name.
-     *
-     * @return bridge name
-     */
+    @Override
     public String name() {
         return TUNNEL_BRIDGE + "-" + tunnelId;
     }