Merge "Reviewer suggestion cache: refresh instead of expire"

gerrit-server/src/main/java/com/google/gerrit/server/change/ReviewerSuggestionCache.java

diff --git a/gerrit-server/src/main/java/com/google/gerrit/server/change/ReviewerSuggestionCache.java b/gerrit-server/src/main/java/com/google/gerrit/server/change/ReviewerSuggestionCache.java
index 9e243b0..093506c 100644
--- a/gerrit-server/src/main/java/com/google/gerrit/server/change/ReviewerSuggestionCache.java
+++ b/gerrit-server/src/main/java/com/google/gerrit/server/change/ReviewerSuggestionCache.java
@@ -90,7 +90,7 @@
         TimeUnit.MILLISECONDS);
     this.cache =
         CacheBuilder.newBuilder().maximumSize(1)
-            .expireAfterWrite(expiration, TimeUnit.MILLISECONDS)
+            .refreshAfterWrite(expiration, TimeUnit.MILLISECONDS)
             .build(new CacheLoader<Boolean, IndexSearcher>() {
               @Override
               public IndexSearcher load(Boolean key) throws Exception {