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Java > Open Source Codes > org > xquark > mediator > plan > OperatorVisitor


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 package org.xquark.mediator.plan;
24
25 import org.xquark.mediator.runtime.MediatorException;
26
27 public interface OperatorVisitor {
28     
29     public void visit(OpAggregateFunc arg) throws MediatorException;
30     public void visit(OpBin arg) throws MediatorException;
31     public void visit(OpCartesian arg) throws MediatorException;
32     public void visit(Operator arg) throws MediatorException;
33     public void visit(OpMerge arg) throws MediatorException;
34     public void visit(OpMult arg) throws MediatorException;
35     public void visit(OpNotSource arg) throws MediatorException;
36     public void visit(OpRestrict arg) throws MediatorException;
37     public void visit(OpSimpleMerge arg) throws MediatorException;
38     public void visit(OpSort arg) throws MediatorException;
39     public void visit(OpSource arg) throws MediatorException;
40     public void visit(OpSubQuery arg) throws MediatorException;
41     public void visit(OpUnion arg) throws MediatorException;
42     public void visit(OpUnionSort arg) throws MediatorException;
43     public void visit(OpUn arg) throws MediatorException;
44     public void visit(OpValue arg) throws MediatorException;
45     public void visit(ZeroOp arg) throws MediatorException;
46
47 }
48
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