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  */
21 package 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  */
29 public 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 	 */
callVisitors(ExpressionOwner owner, XPathVisitor visitor)40 	public void callVisitors(ExpressionOwner owner, XPathVisitor visitor);
41 }
42 
43