LUCENE-4778: Add a getter for the delegate in RateLimitedDirectoryWrapper.

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1446729 13f79535-47bb-0310-9956-ffa450edef68

lucene/CHANGES.txt

@@ -168,6 +168,9 @@ New Features
   is faster than others, however consumes much more RAM.
   (Michael McCandless, Shai Erera)
   
+* LUCENE-4778: Add a getter for the delegate in RateLimitedDirectoryWrapper.
+  (Mark Miller)
+ 
 API Changes
 
 * LUCENE-4709: FacetResultNode no longer has a residue field. (Shai Erera)

lucene/core/src/java/org/apache/lucene/store/RateLimitedDirectoryWrapper.java

@@ -40,6 +40,10 @@ public final class RateLimitedDirectoryWrapper extends Directory {
     this.delegate = wrapped;
   }
   
+  public Directory getDelegate() {
+    return delegate;
+  }
+  
   @Override
   public String[] listAll() throws IOException {
     ensureOpen();