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


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 com.db4o.*;
24 import com.db4o.ext.*;
25
26 public class Semaphores extends AllTestsConfAll{
27     
28     public void test(){
29         
30         ExtObjectContainer eoc = Test.objectContainer();
31         eoc.setSemaphore("SEM", 0);
32         
33         Test.ensure(eoc.setSemaphore("SEM", 0) == true);
34         
35         if(Test.clientServer){
36             ExtObjectContainer client2 = null;
37             try {
38                 client2 =
39                     Db4o.openClient(SERVER_HOSTNAME, SERVER_PORT, DB4O_USER, DB4O_PASSWORD).ext();
40                 Test.ensure(client2.setSemaphore("SEM", 0) == false);
41                 eoc.releaseSemaphore("SEM");
42                 Test.ensure(client2.setSemaphore("SEM", 0) == true);
43             } catch (Exception JavaDoc e) {
44                 e.printStackTrace();
45                 return ;
46             }
47         }else{
48             eoc.releaseSemaphore("SEM");
49         }
50     }
51
52 }
53
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