From 6455445730d5f238ef777e3b696f381b1b7c5f5d Mon Sep 17 00:00:00 2001
From: Michael McCandless <mikemccand@apache.org>
Date: Thu, 24 Oct 2013 00:04:45 +0000
Subject: [PATCH] LUCENE-5303: clear cache before each test

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1535215 13f79535-47bb-0310-9956-ffa450edef68
---
 .../java/org/apache/lucene/facet/search/OrdinalsCache.java | 7 ++++++-
 .../org/apache/lucene/facet/search/OrdinalsCacheTest.java  | 4 +++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/lucene/facet/src/java/org/apache/lucene/facet/search/OrdinalsCache.java b/lucene/facet/src/java/org/apache/lucene/facet/search/OrdinalsCache.java
index 3dd5d401e1d..8b423fbc3da 100644
--- a/lucene/facet/src/java/org/apache/lucene/facet/search/OrdinalsCache.java
+++ b/lucene/facet/src/java/org/apache/lucene/facet/search/OrdinalsCache.java
@@ -100,7 +100,7 @@ public class OrdinalsCache {
   // reference. When it's no longer referenced, the entire inner map can be
   // evicted.
   private static final Map<Object,Map<String,CachedOrds>> ordsCache = new WeakHashMap<Object,Map<String,CachedOrds>>();
-  
+
   /**
    * Returns the {@link CachedOrds} relevant to the given
    * {@link AtomicReaderContext}, or {@code null} if there is no
@@ -141,4 +141,9 @@ public class OrdinalsCache {
     }
     return size;
   }
+
+  /** Clears all entries from the cache. */
+  public synchronized static void clear() {
+    ordsCache.clear();
+  }
 }
diff --git a/lucene/facet/src/test/org/apache/lucene/facet/search/OrdinalsCacheTest.java b/lucene/facet/src/test/org/apache/lucene/facet/search/OrdinalsCacheTest.java
index 80a2537dd8d..1473debb470 100644
--- a/lucene/facet/src/test/org/apache/lucene/facet/search/OrdinalsCacheTest.java
+++ b/lucene/facet/src/test/org/apache/lucene/facet/search/OrdinalsCacheTest.java
@@ -72,7 +72,9 @@ public class OrdinalsCacheTest extends FacetTestCase {
         }
       };
     }
-    
+
+    OrdinalsCache.clear();
+
     long ramBytesUsed = 0;
     for (Thread t : threads) {
       t.start();