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Java > Open Source Codes > org > objectweb > cjdbc > common > monitor > backend > WriteRequestsCollector


1 /**
2  * C-JDBC: Clustered JDBC.
3  * Copyright (C) 2002-2005 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.common.monitor.backend;
26
27 import org.objectweb.cjdbc.common.i18n.Translate;
28 import org.objectweb.cjdbc.controller.backend.DatabaseBackend;
29
30 /**
31  * Return total of currently write requests made on this backend
32  *
33  * @author <a HREF="mailto:Nicolas.Modrzyk@inrialpes.fr">Nicolas Modrzyk</a>
34  */
35 public class WriteRequestsCollector extends AbstractBackendDataCollector
36 {
37   private static final long serialVersionUID = 8347993732101304835L;
38
39   /**
40    * create new collector
41    *
42    * @param backendName to collect data from
43    * @param virtualDatabaseName that contains this backend
44    */
45   public WriteRequestsCollector(String JavaDoc backendName, String JavaDoc virtualDatabaseName)
46   {
47     super(backendName, virtualDatabaseName);
48   }
49
50   /**
51    * @see org.objectweb.cjdbc.common.monitor.AbstractDataCollector#collectValue()
52    */
53   public long getValue(Object JavaDoc backend)
54   {
55     return ((DatabaseBackend) backend).getTotalWriteRequest();
56   }
57
58   /**
59    * @see org.objectweb.cjdbc.common.monitor.AbstractDataCollector#getDescription()
60    */
61   public String JavaDoc getDescription()
62   {
63     return Translate.get("monitoring.backend.total.write.requests");
64   }
65 }
66
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