iter

Author: javanna

server/src/main/java/org/elasticsearch/action/search/CanMatchPreFilterSearchPhase.java

@@ -387,7 +387,7 @@ public CanMatchNodeRequest.Shard buildShardLevelRequest(SearchShardIterator shar
     }
 
     public void start() {
-        if (shardsIts.size() == 0) {
+        if (shardsIts.isEmpty()) {
             finishPhase();
             return;
         }

server/src/main/java/org/elasticsearch/action/search/SearchShardIterator.java

@@ -128,6 +128,9 @@ List<String> getTargetNodeIds() {
         return targetNodesIterator.asList();
     }
 
+    /**
+     * Resets the iterator to its initial state.
+     */
     void reset() {
         targetNodesIterator.reset();
     }