1/*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the  "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18/*
19 * $Id: XPathVisitable.java 468655 2006-10-28 07:12:06Z minchau $
20 */
21package org.apache.xpath;
22
23/**
24 * A class that implements this interface will call a XPathVisitor
25 * for itself and members within it's heararchy.  If the XPathVisitor's
26 * method returns false, the sub-member heararchy will not be
27 * traversed.
28 */
29public interface XPathVisitable
30{
31	/**
32	 * This will traverse the heararchy, calling the visitor for
33	 * each member.  If the called visitor method returns
34	 * false, the subtree should not be called.
35	 *
36	 * @param owner The owner of the visitor, where that path may be
37	 *              rewritten if needed.
38	 * @param visitor The visitor whose appropriate method will be called.
39	 */
40	public void callVisitors(ExpressionOwner owner, XPathVisitor visitor);
41}
42
43