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Java > Open Source Codes > org > xquark > extractor > oracle > OracleQueryFactory


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.extractor.oracle;
24
25 import org.xquark.extractor.algebra.*;
26 import org.xquark.extractor.metadata.MetaDataManager;
27 import org.xquark.extractor.runtime.QueryFactory;
28 import org.xquark.xml.xdbc.XMLDBCException;
29 import org.xquark.xquery.metadata.resolver.MetadataAccess;
30
31 public class OracleQueryFactory extends QueryFactory {
32     private static final String JavaDoc RCSRevision = "$Revision: 1.4 $";
33     private static final String JavaDoc RCSName = "$Name: $";
34
35     public OracleQueryFactory(MetaDataManager metadataManager, MetadataAccess metadata) throws XMLDBCException {
36         super(metadataManager, metadata);
37     }
38
39     protected void createVisitors() {
40         TypeInterpreter ti = new TypeInterpreter();
41         _genAlgebraVisitor = new GenAlgebraVisitor(ti, _metadataManager, _attIDProvider, _relIDProvider);
42
43         _algebraTypeVisitor = new AlgebraTypeVisitor();
44         _removeProjectVisitor = new RemoveIntermediateProjectVisitor();
45         _brav = new BuildReferredAttributes();
46         _apv = new AnalyzePredicateVisitor();
47
48         _genSqlVisitor = new org.xquark.extractor.oracle.OracleGenSqlVisitor(_relIDProvider);
49         _genSqlVisitor.setMetadataManager(_metadataManager);
50     }
51 }
52
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