From 43af17b7b46f2a4a79ffc916acc6558431ccc81a Mon Sep 17 00:00:00 2001
From: Adrien Grand <jpountz@apache.org>
Date: Fri, 23 Aug 2013 09:21:21 +0000
Subject: [PATCH] LUCENE-5186: Added CachingWrapperFilter.getFilter.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1516773 13f79535-47bb-0310-9956-ffa450edef68
---
 lucene/CHANGES.txt                                        | 3 +++
 .../org/apache/lucene/search/CachingWrapperFilter.java    | 8 ++++++++
 2 files changed, 11 insertions(+)

diff --git a/lucene/CHANGES.txt b/lucene/CHANGES.txt
index a4df19cded5..1f4935575d8 100644
--- a/lucene/CHANGES.txt
+++ b/lucene/CHANGES.txt
@@ -104,6 +104,9 @@ New features
 * LUCENE-2750: Added PForDeltaDocIdSet, an in-memory doc id set implementation
   based on the PFOR encoding. (Adrien Grand)
 
+* LUCENE-5186: Added CachingWrapperFilter.getFilter in order to be able to get
+  the wrapped filter. (Trejkaz via Adrien Grand)
+
 Bug Fixes
 
 * LUCENE-5116: IndexWriter.addIndexes(IndexReader...) should drop empty (or all
diff --git a/lucene/core/src/java/org/apache/lucene/search/CachingWrapperFilter.java b/lucene/core/src/java/org/apache/lucene/search/CachingWrapperFilter.java
index 94750c07001..a1382181fc9 100644
--- a/lucene/core/src/java/org/apache/lucene/search/CachingWrapperFilter.java
+++ b/lucene/core/src/java/org/apache/lucene/search/CachingWrapperFilter.java
@@ -49,6 +49,14 @@ public class CachingWrapperFilter extends Filter {
     this.filter = filter;
   }
 
+  /**
+   * Gets the contained filter.
+   * @return the contained filter.
+   */
+  public Filter getFilter() {
+    return filter;
+  }
+
   /** 
    *  Provide the DocIdSet to be cached, using the DocIdSet provided
    *  by the wrapped Filter. <p>This implementation returns the given {@link DocIdSet},