01: /*
02: * Copyright 1999-2004 The Apache Software Foundation.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
10: * Unless required by applicable law or agreed to in writing, software
11: * distributed under the License is distributed on an "AS IS" BASIS,
12: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13: * See the License for the specific language governing permissions and
14: * limitations under the License.
15: */
16: /*
17: * $Id: ExpressionOwner.java,v 1.3 2004/02/17 04:30:02 minchau Exp $
18: */
19: package org.apache.xpath;
20:
21: /**
22: * Classes that implement this interface own an expression, which
23: * can be rewritten.
24: */
25: public interface ExpressionOwner {
26: /**
27: * Get the raw Expression object that this class wraps.
28: *
29: * @return the raw Expression object, which should not normally be null.
30: */
31: public Expression getExpression();
32:
33: /**
34: * Set the raw expression object for this object.
35: *
36: * @param exp the raw Expression object, which should not normally be null.
37: */
38: public void setExpression(Expression exp);
39:
40: }
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