Pull up components() method as an abstract method

Change-Id: I80aecb74958b697fb18336bbe39853dd5cb67578
diff --git a/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResourceId.java b/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResourceId.java
index 4dadacf..fb213ef 100644
--- a/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResourceId.java
+++ b/core/api/src/main/java/org/onosproject/net/newresource/ContinuousResourceId.java
@@ -45,6 +45,7 @@
         this.name = "";
     }
 
+    @Override
     ImmutableList<Object> components() {
         return components;
     }