/*
* RHQ Management Platform
* Copyright (C) 2005-2014 Red Hat, Inc.
* All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation version 2 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
package org.rhq.modules.plugins.jbossas7;
import java.util.concurrent.atomic.AtomicLong;
/**
* Singleton that keeps track of some statistics of this plugin.
*
* @author Heiko W. Rupp
*/
public class PluginStats {
private static PluginStats ourInstance = new PluginStats();
AtomicLong requestCount = new AtomicLong();
AtomicLong requestTime = new AtomicLong();
AtomicLong maxTime = new AtomicLong();
public static PluginStats getInstance() {
return ourInstance;
}
private PluginStats() {
}
public void incrementRequestCount() {
requestCount.incrementAndGet();
}
public void addRequestTime(long time) {
requestTime.addAndGet(time);
long currentMax;
do {
currentMax = maxTime.get();
} while (currentMax < time && !maxTime.compareAndSet(currentMax, time));
}
public long getRequestCount() {
return requestCount.get();
}
public long getRequestTime() {
return requestTime.get();
}
public long getMaxTime() {
return maxTime.getAndSet(0);
}
}