add the FunctionalInterface annotation

add the FunctionalInterface annotation

Issue-ID: AAF-876
Change-Id: I9d1335de238a16644800e4f5bf1a642f005af53a
Signed-off-by: Thugutla sailakshmi <tsaila10@in.ibm.com>

diff --git a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cacheable.java b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cacheable.java
index 3632aa1..818ae14 100644 (file)
--- a/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cacheable.java
+++ b/auth/auth-cass/src/main/java/org/onap/aaf/auth/dao/Cacheable.java
@@ -3,6 +3,7 @@
  * org.onap.aaf
  * ===========================================================================
  * Copyright (c) 2018 AT&T Intellectual Property. All rights reserved.
+ * Modifications Copyright (C) 2019 IBM.
  * ===========================================================================
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -29,6 +30,7 @@ package org.onap.aaf.auth.dao;
  * @author Jonathan
  *
  */
+@FunctionalInterface
 public interface Cacheable {
     public int[] invalidate(Cached<?,?> cache);
 }