DatabaseActivationCommand


1   /*
2    * HA-JDBC: High-Availability JDBC
3    * Copyright (c) 2004-2006 Paul Ferraro
4    * 
5    * This library is free software; you can redistribute it and/or modify it 
6    * under the terms of the GNU Lesser General Public License as published by the 
7    * Free Software Foundation; either version 2.1 of the License, or (at your 
8    * option) any later version.
9    * 
10   * This library is distributed in the hope that it will be useful, but WITHOUT
11   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 
12   * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 
13   * for more details.
14   * 
15   * You should have received a copy of the GNU Lesser General Public License
16   * along with this library; if not, write to the Free Software Foundation, 
17   * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18   * 
19   * Contact: ferraro@users.sourceforge.net
20   */
21  package net.sf.hajdbc.distributable;
22  
23  import net.sf.hajdbc.Database;
24  import net.sf.hajdbc.DatabaseCluster;
25  
26  
27  /**
28   * Command pattern object indicating that a database is to be activated.
29   * @author  Paul Ferraro
30   * @version $Revision: 1041 $
31   * @since   1.0
32   */
33  public class DatabaseActivationCommand extends DatabaseCommand
34  {
35      private static final long serialVersionUID = 3618141143175673655L;
36  
37      /**
38       * Constructs a new DatabaseActivationCommand.
39       */
40      public DatabaseActivationCommand()
41      {
42          // Do nothing
43      }
44      
45      /**
46       * Constructs a new DatabaseActivationCommand.
47       * @param database a database descriptor
48       */
49      public DatabaseActivationCommand(Database database)
50      {
51          super(database);
52      }
53  
54      /**
55       * @see net.sf.hajdbc.distributable.DatabaseCommand#execute(net.sf.hajdbc.DatabaseCluster)
56       */
57      @Override  
58      public void execute(DatabaseCluster databaseCluster)
59      {
60          databaseCluster.activate(databaseCluster.getDatabase(this.databaseId));
61      }
62  }
63
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