01: /**
02: * Speedo: an implementation of JDO compliant personality on top of JORM generic
03: * I/O sub-system.
04: * Copyright (C) 2001-2004 France Telecom R&D
05: *
06: * This library is free software; you can redistribute it and/or
07: * modify it under the terms of the GNU Lesser General Public
08: * License as published by the Free Software Foundation; either
09: * version 2 of the License, or (at your option) any later version.
10: *
11: * This library is distributed in the hope that it will be useful,
12: * but WITHOUT ANY WARRANTY; without even the implied warranty of
13: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14: * Lesser General Public License for more details.
15: *
16: * You should have received a copy of the GNU Lesser General Public
17: * License along with this library; if not, write to the Free Software
18: * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
19: *
20: *
21: *
22: * Contact: speedo@objectweb.org
23: *
24: */package org.objectweb.speedo.tutorial;
25:
26: import java.io.FileInputStream;
27: import java.io.IOException;
28: import java.util.Properties;
29:
30: import javax.jdo.JDOHelper;
31: import javax.jdo.PersistenceManagerFactory;
32:
33: /**
34: * This class enables to get a persistence manager factory from the speedo.properties file.
35: * @author Y.Bersihand
36: */
37: public class TutorialHelper {
38:
39: protected static PersistenceManagerFactory pmf = null;
40:
41: public TutorialHelper(String propertiesFileName) throws IOException {
42: Properties p = new Properties();
43: p.load(new FileInputStream(propertiesFileName));
44: p.setProperty("org.objectweb.speedo.mappingStructure",
45: "DELETE_DATA");
46: pmf = JDOHelper.getPersistenceManagerFactory(p);
47: System.out.println("PersistenceManagerFactory instanciated ("
48: + pmf.getConnectionURL() + ")");
49: }
50:
51: public PersistenceManagerFactory getPMF() {
52: return pmf;
53: }
54: }
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