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Java > Open Source Codes > org > xquark > xquery > parser > ListOpCompExpression


1 /*
2  * This file belongs to the XQuark distribution.
3  * Copyright (C) 2003 Universite de Versailles Saint-Quentin.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * You should have received a copy of the GNU Lesser General Public
16  * License along with this program; if not, write to the Free Software
17  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307.
18  * You can also get it at http://www.gnu.org/licenses/lgpl.html
19  *
20  * For more information on this software, see http://www.xquark.org.
21  */
22
23
24 package org.xquark.xquery.parser;
25
26 import org.xquark.xquery.parser.util.Constants;
27 import org.xquark.xquery.typing.TypeException;
28
29 public class ListOpCompExpression extends XQueryListBinaryOperatorExpression implements Cloneable JavaDoc {
30     
31     private static final String JavaDoc RCSRevision = "$Revision: 1.6 $";
32     private static final String JavaDoc RCSName = "$Name: $";
33     
34     // cannot be -1
35 protected int operator = -1;
36     
37     // #############################################################################
38 // VISITOR STUFF
39 // #############################################################################
40
41     public void accept(ParserVisitor visitor) throws XQueryException {
42         visitor.visit(this);
43     }
44     
45     // #############################################################################
46 // CONSTRUCTOR STUFF
47 // #############################################################################
48
49     public ListOpCompExpression(XQueryExpression expression1, XQueryExpression expression2, int operator, XQueryModule parentModule) throws TypeException, XQueryException {
50         super(expression1,expression2);
51         this.operator = operator;
52         setParentModule(parentModule);
53         if (parentModule != null && parentModule.getStaticContext().getTypeVisitor() != null)
54             accept(parentModule.getStaticContext().getTypeVisitor());
55     }
56     
57     // #############################################################################
58 // ATTRIBUTE ACCESS STUFF
59 // #############################################################################
60
61     public int getOperator() { return operator; }
62     public void setOperator(int operator) throws XQueryException {
63         if (operator == -1 || operator > Constants.MAX_COMPOP)
64             throw new XQueryException("operator of ListOpCompExpression has incorrect value " + operator);
65         this.operator = operator ;
66     }
67         
68 }
69
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