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