From 46014bc96298080ff7ce4736e69b08d0d66d8e67 Mon Sep 17 00:00:00 2001
From: Jan Hentschel <jan.hentschel@ultratendency.com>
Date: Sat, 7 Jul 2018 20:58:37 +0200
Subject: [PATCH] NIFI-1305 Extended JavaDoc on
 DistributedMapCacheClient.getAndPutIfAbsent

This closes #2857

Signed-off-by: Mike Thomsen <mikerthomsen@gmail.com>
---
 .../distributed/cache/client/DistributedMapCacheClient.java    | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/nifi-nar-bundles/nifi-standard-services/nifi-distributed-cache-client-service-api/src/main/java/org/apache/nifi/distributed/cache/client/DistributedMapCacheClient.java b/nifi-nar-bundles/nifi-standard-services/nifi-distributed-cache-client-service-api/src/main/java/org/apache/nifi/distributed/cache/client/DistributedMapCacheClient.java
index 7fa6a6148b..6ab2e3b90d 100644
--- a/nifi-nar-bundles/nifi-standard-services/nifi-distributed-cache-client-service-api/src/main/java/org/apache/nifi/distributed/cache/client/DistributedMapCacheClient.java
+++ b/nifi-nar-bundles/nifi-standard-services/nifi-distributed-cache-client-service-api/src/main/java/org/apache/nifi/distributed/cache/client/DistributedMapCacheClient.java
@@ -69,7 +69,8 @@ public interface DistributedMapCacheClient extends ControllerService {
      * @param valueDeserializer value deserializer
      * @return If a value already exists in the cache for the given
      * key, the value associated with the key is returned, after being
-     * deserialized with the given valueDeserializer
+     * deserialized with the given {@code valueDeserializer}. If the key does not
+     * exist, the key and its value will be added to the cache.
      * @throws IOException ex
      */
     <K, V> V getAndPutIfAbsent(K key, V value, Serializer<K> keySerializer, Serializer<V> valueSerializer, Deserializer<V> valueDeserializer) throws IOException;