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Java > Open Source Codes > org > continuent > sequoia > common > jmx > monitoring > client > ClientActiveTimeCollector


1 /**
2  * Sequoia: Database clustering technology.
3  * Copyright (C) 2002-2004 French National Institute For Research In Computer
4  * Science And Control (INRIA).
5  * Copyright (C) 2005 AmicoSoft, Inc. dba Emic Networks
6  * Contact: sequoia@continuent.org
7  *
8  * Licensed under the Apache License, Version 2.0 (the "License");
9  * you may not use this file except in compliance with the License.
10  * You may obtain a copy of the License at
11  *
12  * http://www.apache.org/licenses/LICENSE-2.0
13  *
14  * Unless required by applicable law or agreed to in writing, software
15  * distributed under the License is distributed on an "AS IS" BASIS,
16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17  * See the License for the specific language governing permissions and
18  * limitations under the License.
19  *
20  * Initial developer(s): Nicolas Modrzyk.
21  * Contributor(s):
22  */
23
24 package org.continuent.sequoia.common.jmx.monitoring.client;
25
26 import org.continuent.sequoia.common.exceptions.DataCollectorException;
27 import org.continuent.sequoia.common.i18n.Translate;
28 import org.continuent.sequoia.controller.virtualdatabase.VirtualDatabaseWorkerThread;
29
30 /**
31  * Return active time for this client
32  *
33  * @author <a HREF="mailto:Nicolas.Modrzyk@inrialpes.fr">Nicolas Modrzyk</a>
34  */
35 public class ClientActiveTimeCollector extends AbstractClientDataCollector
36 {
37   private static final long serialVersionUID = -8518220945483984065L;
38
39   /**
40    * create new collector
41    *
42    * @param clientId user name of the client
43    * @param virtualDatabaseName that contains this backend
44    * @throws DataCollectorException if cannot access client
45    */
46   public ClientActiveTimeCollector(String JavaDoc clientId, String JavaDoc virtualDatabaseName)
47       throws DataCollectorException
48   {
49     super(clientId, virtualDatabaseName);
50   }
51
52   /**
53    * @see org.continuent.sequoia.common.jmx.monitoring.AbstractDataCollector#collectValue()
54    */
55   public long getValue(Object JavaDoc client)
56   {
57     return ((VirtualDatabaseWorkerThread) client).getTimeActive();
58   }
59
60   /**
61    * @see org.continuent.sequoia.common.jmx.monitoring.AbstractDataCollector#getDescription()
62    */
63   public String JavaDoc getDescription()
64   {
65     return Translate.get("monitoring.client.active.time"); //$NON-NLS-1$
66 }
67 }
68
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