From 0c9ec9edf74cc2c930e39f3266e98a6f39157169 Mon Sep 17 00:00:00 2001
From: "Chris M. Hostetter" <hossman@apache.org>
Date: Thu, 18 May 2006 07:56:37 +0000
Subject: [PATCH] fix for LUCENE-572

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@407492 13f79535-47bb-0310-9956-ffa450edef68
---
 CHANGES.txt                                               | 4 ++++
 src/java/org/apache/lucene/search/spans/SpanNotQuery.java | 2 +-
 2 files changed, 5 insertions(+), 1 deletion(-)

diff --git a/CHANGES.txt b/CHANGES.txt
index a1b609d8d0c..894bc902c85 100644
--- a/CHANGES.txt
+++ b/CHANGES.txt
@@ -56,7 +56,11 @@ Bug fixes
 
 11. LUCENE-352: Fixed bug in SpanNotQuery that manifested as
     NullPointerException when "exclude" query was not a SpanTermQuery.
+    (Chris Hostetter)
 
+12. LUCENE-572: Fixed bug in hashCode, was ignoring exclude clause
+    (Chris Hostetter)
+    
 1.9.1
 
 Bug fixes
diff --git a/src/java/org/apache/lucene/search/spans/SpanNotQuery.java b/src/java/org/apache/lucene/search/spans/SpanNotQuery.java
index e30250476e1..bfbc0a5925e 100644
--- a/src/java/org/apache/lucene/search/spans/SpanNotQuery.java
+++ b/src/java/org/apache/lucene/search/spans/SpanNotQuery.java
@@ -172,7 +172,7 @@ public class SpanNotQuery extends SpanQuery {
   public int hashCode() {
     int h = include.hashCode();
     h = (h<<1) | (h >>> 31);  // rotate left
-    h ^= include.hashCode();
+    h ^= exclude.hashCode();
     h = (h<<1) | (h >>> 31);  // rotate left
     h ^= Float.floatToRawIntBits(getBoost());
     return h;