LUCENE-1324: add TokenFilter.reset()

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@673990 13f79535-47bb-0310-9956-ffa450edef68

CHANGES.txt

@@ -86,6 +86,9 @@ API Changes
 12. LUCENE-1325: Added IndexCommit.isOptimized().  (Shalin Shekhar
     Mangar via Mike McCandless)
 
+13. LUCENE-1324: Added TokenFilter.reset(). (Shai Erera via Mike
+    McCandless)
+
 Bug fixes
     
  1. LUCENE-1134: Fixed BooleanQuery.rewrite to only optimize a single 

src/java/org/apache/lucene/analysis/TokenFilter.java

@@ -39,4 +39,9 @@ public abstract class TokenFilter extends TokenStream {
     input.close();
   }
 
+  /** Reset the filter as well as the input TokenStream. */
+  public void reset() throws IOException {
+    super.reset();
+    input.reset();
+  }
 }