GetConnectionThread


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): Mathieu Peltier.
22   * Contributor(s): ______________________________________.
23   */
24  
25  package org.objectweb.cjdbc.scenario.tools.util;
26  
27  import java.sql.Connection  ;
28  
29  import junit.framework.Assert;
30  
31  import org.objectweb.cjdbc.common.exceptions.UnreachableBackendException;
32  import org.objectweb.cjdbc.controller.connection.AbstractPoolConnectionManager;
33  
34  /**
35   * This thread gets a connection during a given time and releases it after.
36   * 
37   * @author <a HREF="mailto:Mathieu.Peltier@inrialpes.fr">Mathieu Peltier </a>
38   */
39  public class GetConnectionThread extends Thread  
40  {
41    /** Pool connection manager. */
42    private AbstractPoolConnectionManager pool;
43  
44    /** Time in milliseconds the thread is using the connection. */
45    private long                          time;
46  
47    /**
48     * Creates a new <code>GetConnectionThread</code> instance.
49     * 
50     * @param name thread name.
51     * @param pool pool connection manager.
52     * @param time time in milliseconds the thread is using the connection.
53     */
54    public GetConnectionThread(String   name, AbstractPoolConnectionManager pool,
55        long time)
56    {
57      super(name);
58      this.pool = pool;
59      this.time = time;
60    }
61  
62    /**
63     * @see java.lang.Runnable#run()
64     */
65    public void run()
66    {
67      Connection   c = null;
68      try
69      {
70        c = pool.getConnection();
71      }
72      catch (UnreachableBackendException e1)
73      {
74        Assert.fail("Backend unreachable during test.");
75      }
76      try
77      {
78        Thread.sleep(time);
79      }
80      catch (InterruptedException   e)
81      {
82        Assert.fail("Exception thrown: " + e);
83      }
84      pool.releaseConnection(c);
85    }
86  }
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags