add getter for Query

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@150366 13f79535-47bb-0310-9956-ffa450edef68

src/java/org/apache/lucene/search/FilteredQuery.java

@@ -112,6 +112,10 @@ extends Query {
     }
   }
 
+  public Query getQuery() {
+    return query;
+  }
+
   /** Prints a user-readable version of this query. */
   public String toString (String s) {
     return "filtered("+query.toString(s)+")->"+filter;