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Java > Open Source Codes > com > db4o > db4ounit > jre11 > assorted > UUIDMigrationTestCase


1 /* Copyright (C) 2004 - 2006 db4objects Inc. http://www.db4o.com
2
3 This file is part of the db4o open source object database.
4
5 db4o is free software; you can redistribute it and/or modify it under
6 the terms of version 2 of the GNU General Public License as published
7 by the Free Software Foundation and as clarified by db4objects' GPL
8 interpretation policy, available at
9 http://www.db4o.com/about/company/legalpolicies/gplinterpretation/
10 Alternatively you can write to db4objects, Inc., 1900 S Norfolk Street,
11 Suite 350, San Mateo, CA 94403, USA.
12
13 db4o is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
16 for more details.
17
18 You should have received a copy of the GNU General Public License along
19 with this program; if not, write to the Free Software Foundation, Inc.,
20 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */

21 package com.db4o.db4ounit.jre11.assorted;
22
23 import java.io.IOException JavaDoc;
24 import java.net.URL JavaDoc;
25
26 import com.db4o.*;
27 import com.db4o.db4ounit.common.assorted.UUIDTestItem;
28 import com.db4o.foundation.Hashtable4;
29 import com.db4o.foundation.io.*;
30
31 import db4ounit.*;
32
33 /**
34  * @exclude
35  */

36 public class UUIDMigrationTestCase implements TestCase {
37     
38     public static void main(String JavaDoc[] args) {
39         new TestRunner(UUIDMigrationTestCase.class).run();
40     }
41     
42     public void test() throws Exception JavaDoc {
43         configure();
44         try {
45             final ObjectContainer container = Db4o.openFile(getUUIDMigrationSourcePath());
46             try {
47                 Assert.isNotNull(container);
48                 
49                 final Hashtable4 uuidCache = new Hashtable4();
50                 
51                 UUIDTestItem.assertItemsCanBeRetrievedByUUID(container.ext(), uuidCache);
52                 Assert.areEqual(2, uuidCache.size());
53                 
54                 UUIDTestItem.assertItemsCanBeRetrievedByUUID(container.ext(), uuidCache);
55             } finally {
56                 if (null != container) container.close();
57             }
58             
59         } finally {
60             restoreConfiguration();
61         }
62     }
63     
64     private String JavaDoc getUUIDMigrationSourcePath() throws IOException JavaDoc {
65         final URL JavaDoc resource = getClass().getResource("./UUIDMigrationSource-db4o-5.5.yap");
66         String JavaDoc targetFile = resource.getFile()+".work";
67         File4.copy(resource.getFile(), targetFile);
68         return targetFile;
69     }
70
71     private void restoreConfiguration() {
72         Db4o.configure().allowVersionUpdates(false);
73         Db4o.configure().generateUUIDs(-1);
74     }
75
76     private void configure() {
77         Db4o.configure().allowVersionUpdates(true);
78         Db4o.configure().generateUUIDs(Integer.MAX_VALUE);
79     }
80 }
81
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