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 */ 21 package org.apache.xpath; 22 23 /** 24 * Classes that implement this interface own an expression, which 25 * can be rewritten. 26 */ 27 public 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 */ getExpression()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 */ setExpression(Expression exp)41 public void setExpression(Expression exp); 42 43 44 } 45 46