/*
* JBoss, Home of Professional Open Source.
* Copyright 2008, Red Hat Middleware LLC, and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.management.j2ee.statistics;
import javax.management.j2ee.statistics.CountStatistic;
/**
* This class is the JBoss specific Counter Statistics class
*
* @author <a href="mailto:marc.fleury@jboss.org">Marc Fleury</a>
* @author <a href="mailto:andreas@jboss.com">Andreas Schaefer</a>
* @version $Revision: 81025 $
*/
public class CountStatisticImpl
extends StatisticImpl
implements CountStatistic
{
// -------------------------------------------------------------------------
// Constants
// -------------------------------------------------------------------------
/** @since 4.0.2 */
private static final long serialVersionUID = 8087661344599547469L;
// -------------------------------------------------------------------------
// Members
// -------------------------------------------------------------------------
protected long count;
// -------------------------------------------------------------------------
// Constructors
// -------------------------------------------------------------------------
/**
* Create a CountStatistic
*
* @param name the name of the state
* @param units the units of the stat
* @param description a description of the stat
*/
public CountStatisticImpl(String name, String units, String description)
{
super(name, units, description);
}
// -------------------------------------------------------------------------
// CountStatistic Implementation
// -------------------------------------------------------------------------
/**
* @return The value of Count
*/
public long getCount()
{
return count;
}
/**
* @return Debug Information about this Instance
*/
public String toString()
{
return "[ " + getCount() + ":" + super.toString() + " ]";
}
// -------------------------------------------------------------------------
// Methods
// -------------------------------------------------------------------------
/**
* Adds a hit to this counter
*/
public void add()
{
set(++count);
}
/**
* Removes a hit to this counter
*/
public void remove()
{
if (count > 0)
{
set(--count);
}
}
/**
* Resets the statistics to the initial values
*/
public void reset()
{
count = 0;
super.reset();
}
/**
* Set the current value of the count
*
* @param count the new count
*/
public void set(long count)
{
this.count = count;
super.set();
}
}