[WIP][ONOS-3722] Augment TableModel with Annotations Mechanism

Change-Id: I815ce0b0fde254dd730153c34905d9454f019d9a
diff --git a/web/gui/src/main/java/org/onosproject/ui/impl/LinkViewMessageHandler.java b/web/gui/src/main/java/org/onosproject/ui/impl/LinkViewMessageHandler.java
index 7de6d62..9b8750e 100644
--- a/web/gui/src/main/java/org/onosproject/ui/impl/LinkViewMessageHandler.java
+++ b/web/gui/src/main/java/org/onosproject/ui/impl/LinkViewMessageHandler.java
@@ -65,6 +65,8 @@
 
     // handler for link table requests
     private final class LinkDataRequest extends TableRequestHandler {
+        private static final String NO_ROWS_MESSAGE = "No links found";
+
         private LinkDataRequest() {
             super(LINK_DATA_REQ, LINK_DATA_RESP, LINKS);
         }
@@ -75,6 +77,11 @@
         }
 
         @Override
+        protected String noRowsMessage() {
+            return NO_ROWS_MESSAGE;
+        }
+
+        @Override
         protected String defaultColumnId() {
             return ONE;
         }