00001 /** 00002 * C-JDBC: Clustered JDBC. 00003 * Copyright (C) 2002-2004 French National Institute For Research In Computer 00004 * Science And Control (INRIA). 00005 * Contact: c-jdbc@objectweb.org 00006 * 00007 * This library is free software; you can redistribute it and/or modify it 00008 * under the terms of the GNU Lesser General Public License as published by the 00009 * Free Software Foundation; either version 2.1 of the License, or any later 00010 * version. 00011 * 00012 * This library is distributed in the hope that it will be useful, but WITHOUT 00013 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00014 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License 00015 * for more details. 00016 * 00017 * You should have received a copy of the GNU Lesser General Public License 00018 * along with this library; if not, write to the Free Software Foundation, 00019 * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. 00020 * 00021 * Initial developer(s): Nicolas Modrzyk. 00022 * Contributor(s): 00023 */ 00024 package org.objectweb.cjdbc.common.monitor.controller; 00025 00026 import org.objectweb.cjdbc.common.i18n.Translate; 00027 00028 /** 00029 * Count the total number of threads in the jvm of the <code>Controller</code> 00030 * 00031 * @author <a href="mailto:Nicolas.Modrzyk@inrialpes.fr">Nicolas Modrzyk</a> 00032 */ 00033 public class ThreadsCountCollector extends AbstractControllerDataCollector 00034 { 00035 00036 /** 00037 * @see org.objectweb.cjdbc.common.monitor.AbstractDataCollector#collectValue() 00038 */ 00039 public long collectValue() 00040 { 00041 return Thread.activeCount(); 00042 } 00043 00044 /** 00045 * @see org.objectweb.cjdbc.common.monitor.AbstractDataCollector#getDescription() 00046 */ 00047 public String getDescription() 00048 { 00049 return Translate.get("monitoring.controller.threads.number"); 00050 } 00051 00052 /** 00053 * Creates a new <code>ThreadsCountCollector.java</code> object 00054 * 00055 * @param controller to collect data from 00056 */ 00057 public ThreadsCountCollector(Object controller) 00058 { 00059 super(controller); 00060 } 00061 }