From 56b3f8b1fcbcac5177ced2c22ce7eaa770f6d4dd Mon Sep 17 00:00:00 2001
From: Adrien Grand <jpountz@apache.org>
Date: Tue, 16 Dec 2014 18:46:25 +0000
Subject: [PATCH] LUCENE-6116: Simplify RoaringDocIdSet.Iterator constructor.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1646041 13f79535-47bb-0310-9956-ffa450edef68
---
 .../src/java/org/apache/lucene/util/RoaringDocIdSet.java   | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/lucene/core/src/java/org/apache/lucene/util/RoaringDocIdSet.java b/lucene/core/src/java/org/apache/lucene/util/RoaringDocIdSet.java
index 4ee409b7706..7d1e877474a 100644
--- a/lucene/core/src/java/org/apache/lucene/util/RoaringDocIdSet.java
+++ b/lucene/core/src/java/org/apache/lucene/util/RoaringDocIdSet.java
@@ -268,11 +268,8 @@ public class RoaringDocIdSet extends DocIdSet {
 
     Iterator() throws IOException {
       doc = -1;
-      block = 0;
-      while (docIdSets[block] == null) {
-        block += 1;
-      }
-      sub = docIdSets[block].iterator();
+      block = -1;
+      sub = DocIdSetIterator.empty();
     }
 
     @Override