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Java > Open Source Codes > org > apache > slide > search > basic > IBasicExpressionCompiler


1 /*
2  * $Header: /home/cvs/jakarta-slide/src/share/org/apache/slide/search/basic/IBasicExpressionCompiler.java,v 1.3 2004/07/28 09:35:01 ib Exp $
3  * $Revision: 1.3 $
4  * $Date: 2004/07/28 09:35:01 $
5  *
6  * ====================================================================
7  *
8  * Copyright 1999 The Apache Software Foundation
9  *
10  * Licensed under the Apache License, Version 2.0 (the "License");
11  * you may not use this file except in compliance with the License.
12  * You may obtain a copy of the License at
13  *
14  * http://www.apache.org/licenses/LICENSE-2.0
15  *
16  * Unless required by applicable law or agreed to in writing, software
17  * distributed under the License is distributed on an "AS IS" BASIS,
18  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
19  * See the License for the specific language governing permissions and
20  * limitations under the License.
21  *
22  */

23 package org.apache.slide.search.basic;
24
25 // import list
26
import org.apache.slide.search.BadQueryException;
27
28 import org.jdom.Element;
29
30 /**
31  * Compiles an expression represented by a JDOM Element (-tree) into an
32  * IBasicExpression (-tree).
33  *
34  * @version $Revision: 1.3 $
35  *
36  **/

37 public interface IBasicExpressionCompiler {
38     
39     /**
40      * Compiles an IBasicExpression (-tree) from the given <code>expressionElement</code>.
41      *
42      * @param expressionElement the (root) expression Element to compile
43      * into an IBasicExpression.
44      *
45      * @return the compiled IBasicExpression.
46      *
47      * @throws BadQueryException if compiling the expression failed.
48      */

49     public IBasicExpression compile(Element expressionElement) throws BadQueryException;
50     
51 }
52
53
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