Annotate the "Data" interface with the @FunctionalInterface annotation

[aaf/authz.git] / auth / auth-batch / src / main / java / org / onap / aaf / auth / batch / helpers / CacheChange.java

diff --git a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/helpers/CacheChange.java b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/helpers/CacheChange.java
index a4cfcbe..84d7b5a 100644 (file)
--- a/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/helpers/CacheChange.java
+++ b/auth/auth-batch/src/main/java/org/onap/aaf/auth/batch/helpers/CacheChange.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.
@@ -31,6 +32,7 @@ public class CacheChange<T extends CacheChange.Data> {
         removed = new ArrayList<>();
     }
     
+    @FunctionalInterface 
     interface Data {
         public abstract void expunge();
     }