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Java > Open Source Codes > org > continuent > sequoia > common > jmx > monitoring > controller > ThreadsCountCollector


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.controller;
25
26 import org.continuent.sequoia.common.i18n.Translate;
27
28 /**
29  * Count the total number of threads in the jvm of the <code>Controller</code>
30  *
31  * @author <a HREF="mailto:Nicolas.Modrzyk@inrialpes.fr">Nicolas Modrzyk</a>
32  */

33 public class ThreadsCountCollector extends AbstractControllerDataCollector
34 {
35   private static final long serialVersionUID = 1878639394354661537L;
36
37   /**
38    * @see org.continuent.sequoia.common.jmx.monitoring.AbstractDataCollector#collectValue()
39    */

40   public long collectValue()
41   {
42     return Thread.activeCount();
43   }
44
45   /**
46    * @see org.continuent.sequoia.common.jmx.monitoring.AbstractDataCollector#getDescription()
47    */

48   public String JavaDoc getDescription()
49   {
50     return Translate.get("monitoring.controller.threads.number"); //$NON-NLS-1$
51
}
52
53   /**
54    * Creates a new <code>ThreadsCountCollector.java</code> object
55    *
56    * @param controller to collect data from
57    */

58   public ThreadsCountCollector(Object JavaDoc controller)
59   {
60     super(controller);
61   }
62 }
63
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