From 7c3ed5867ee817a6089bf8250fffd349fb8c2670 Mon Sep 17 00:00:00 2001
From: Simon Willnauer <simonw@apache.org>
Date: Mon, 28 Dec 2009 14:27:14 +0000
Subject: [PATCH] LUCENE-2162: Allow ExtendableQueryParser extensions accessing
 the toplevel parser and its properties

git-svn-id: https://svn.apache.org/repos/asf/lucene/java/trunk@894180 13f79535-47bb-0310-9956-ffa450edef68
---
 .../queryParser/ext/ExtendableQueryParser.java     |  2 +-
 .../lucene/queryParser/ext/ExtensionQuery.java     | 14 +++++++++++++-
 2 files changed, 14 insertions(+), 2 deletions(-)

diff --git a/contrib/misc/src/java/org/apache/lucene/queryParser/ext/ExtendableQueryParser.java b/contrib/misc/src/java/org/apache/lucene/queryParser/ext/ExtendableQueryParser.java
index 680e35d2271..1533d11d5bd 100644
--- a/contrib/misc/src/java/org/apache/lucene/queryParser/ext/ExtendableQueryParser.java
+++ b/contrib/misc/src/java/org/apache/lucene/queryParser/ext/ExtendableQueryParser.java
@@ -133,7 +133,7 @@ public class ExtendableQueryParser extends QueryParser {
     final ParserExtension extension = this.extensions
         .getExtension(splitExtensionField.cud);
     if (extension != null) {
-      return extension.parse(new ExtensionQuery(splitExtensionField.cur,
+      return extension.parse(new ExtensionQuery(this, splitExtensionField.cur,
           queryText));
     }
     return super.getFieldQuery(field, queryText);
diff --git a/contrib/misc/src/java/org/apache/lucene/queryParser/ext/ExtensionQuery.java b/contrib/misc/src/java/org/apache/lucene/queryParser/ext/ExtensionQuery.java
index ae68682915d..f84faf85b83 100644
--- a/contrib/misc/src/java/org/apache/lucene/queryParser/ext/ExtensionQuery.java
+++ b/contrib/misc/src/java/org/apache/lucene/queryParser/ext/ExtensionQuery.java
@@ -1,5 +1,7 @@
 package org.apache.lucene.queryParser.ext;
 
+import org.apache.lucene.queryParser.QueryParser;
+
 /**
  * Licensed to the Apache Software Foundation (ASF) under one or more
  * contributor license agreements.  See the NOTICE file distributed with
@@ -29,6 +31,7 @@ public class ExtensionQuery {
 
   private final String field;
   private final String rawQueryString;
+  private final QueryParser topLevelParser;
 
   /**
    * Creates a new {@link ExtensionQuery}
@@ -38,9 +41,10 @@ public class ExtensionQuery {
    * @param rawQueryString
    *          the raw extension query string
    */
-  public ExtensionQuery(String field, String rawQueryString) {
+  public ExtensionQuery(QueryParser topLevelParser, String field, String rawQueryString) {
     this.field = field;
     this.rawQueryString = rawQueryString;
+    this.topLevelParser = topLevelParser;
   }
 
   /**
@@ -60,4 +64,12 @@ public class ExtensionQuery {
   public String getRawQueryString() {
     return rawQueryString;
   }
+  
+  /**
+   * Returns the top level parser which created this {@link ExtensionQuery} 
+   * @return the top level parser which created this {@link ExtensionQuery}
+   */
+  public QueryParser getTopLevelParser() {
+    return topLevelParser;
+  }
 }