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Java > Open Source Codes > db4ounit > extensions > fixtures > AbstractSoloDb4oFixture


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 db4ounit.extensions.fixtures;
22
23 import com.db4o.*;
24 import com.db4o.config.*;
25 import com.db4o.ext.*;
26
27 import db4ounit.Assert;
28
29 public abstract class AbstractSoloDb4oFixture extends AbstractDb4oFixture {
30
31     private ExtObjectContainer _db;
32     
33     protected AbstractSoloDb4oFixture(ConfigurationSource configSource) {
34         super(configSource);
35     }
36     
37     public final void open() {
38         Assert.isNull(_db);
39         _db=createDatabase(config()).ext();
40     }
41     
42     public void close() throws Exception JavaDoc {
43         if (null != _db) {
44             Assert.isTrue(db().close());
45             _db = null;
46         }
47     }
48
49     public ExtObjectContainer db() {
50         return _db;
51     }
52     
53     protected abstract ObjectContainer createDatabase(Configuration config);
54     
55     public YapFile fileSession() {
56         return (YapFile)_db;
57     }
58
59 }
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