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Java > Open Source Codes > com > db4o > test > SwitchingFilesFromClient


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.test;
22
23 import java.io.*;
24
25 import com.db4o.*;
26 import com.db4o.ext.*;
27 import com.db4o.query.*;
28
29 public class SwitchingFilesFromClient {
30     
31     static final String JavaDoc DB_FILE = "switchedToTest.yap";
32     
33     public String JavaDoc name;
34     
35     void storeOne(){
36         name = "helo";
37         new File(DB_FILE).delete();
38     }
39     
40     void testOne(){
41         
42         if(Test.isClientServer()){
43             Test.ensure(name.equals("helo"));
44             
45             ExtClient client = (ExtClient)Test.objectContainer();
46             client.switchToFile(DB_FILE);
47             name = "hohoho";
48             client.set(this);
49             Query q = client.query();
50             q.constrain(this.getClass());
51             ObjectSet results = q.execute();
52             Test.ensure(results.size() == 1);
53             SwitchingFilesFromClient sffc = (SwitchingFilesFromClient) results.next();
54             Test.ensure(sffc.name.equals("hohoho"));
55             client.switchToMainFile();
56             sffc = (SwitchingFilesFromClient)Test.getOne(this);
57             Test.ensure(sffc.name.equals("helo"));
58         }
59         
60         
61     }
62
63 }
64
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