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: ExpressionOwner.java 468655 2006-10-28 07:12:06Z minchau $
20 */
21package org.apache.xpath;
22
23/**
24 * Classes that implement this interface own an expression, which
25 * can be rewritten.
26 */
27public interface ExpressionOwner
28{
29  /**
30   * Get the raw Expression object that this class wraps.
31   *
32   * @return the raw Expression object, which should not normally be null.
33   */
34  public Expression getExpression();
35
36  /**
37   * Set the raw expression object for this object.
38   *
39   * @param exp the raw Expression object, which should not normally be null.
40   */
41  public void setExpression(Expression exp);
42
43
44}
45
46