BasicRecoveryScenario


1   /**
2    * C-JDBC: Clustered JDBC.
3    * Copyright (C) 2002-2004 French National Institute For Research In Computer
4    * Science And Control (INRIA).
5    * Contact: c-jdbc@objectweb.org
6    * 
7    * This library is free software; you can redistribute it and/or modify it
8    * under the terms of the GNU Lesser General Public License as published by the
9    * Free Software Foundation; either version 2.1 of the License, or any later
10   * version.
11   * 
12   * This library is distributed in the hope that it will be useful, but WITHOUT
13   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
14   * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
15   * for more details.
16   * 
17   * You should have received a copy of the GNU Lesser General Public License
18   * along with this library; if not, write to the Free Software Foundation,
19   * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
20   *
21   * Initial developer(s): Nicolas Modrzyk.
22   * Contributor(s): ______________________.
23   */
24  
25  package org.objectweb.cjdbc.scenario.raidb1.recoverylog;
26  
27  import org.objectweb.cjdbc.controller.backend.DatabaseBackend;
28  import org.objectweb.cjdbc.controller.virtualdatabase.VirtualDatabase;
29  import org.objectweb.cjdbc.scenario.templates.Raidb1RecoveryTemplate;
30  
31  /**
32   * If a backend is disable from a checkpoint, the other backends receive
33   * updates, and then we enable the backend again, the recovery log should replay
34   * all the missing requests.
35   * 
36   * @author <a HREF="mailto:Nicolas.Modrzyk@inrialpes.fr">Nicolas Modrzyk </a>
37   * @version 1.0
38   */
39  public class BasicRecoveryScenario extends Raidb1RecoveryTemplate
40  {
41  
42    /**
43     * Test the last known checkpoint is properly set after a disable
44     * 
45     * @throws Exception if fails
46     */
47    public void testLastKnownCheckpoint() throws Exception  
48    {
49      String   backend = "localhost2";
50      String   checkpoint = "check" + System.currentTimeMillis();
51      mainVdb.disableBackendWithCheckpoint(backend);
52      DatabaseBackend db = mainVdb.getAndCheckBackend(backend,
53          VirtualDatabase.NO_CHECK_BACKEND);
54      assertEquals("Invalid checkpoint", db.getLastKnownCheckpoint(), checkpoint);
55    }
56  }
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