/*
* JacORB - a free Java ORB
*
* Copyright (C) 1997-2014 Gerald Brose / The JacORB Team.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.jacorb.orb.giop;
/**
* @author Nicolas Noffke
*/
public class LFUStatisticsProviderImpl
implements StatisticsProvider
{
private final long lifetime_begin;
private long invocations = 0;
public LFUStatisticsProviderImpl()
{
lifetime_begin = System.currentTimeMillis();
}
/**
* A message chunk with the given size has been sent over the associated
* Transport.
*/
public void messageChunkSent( int size )
{
// no operation
}
/**
* The transport has been flushed. This means that sending of a
* message is complete.
*/
public void flushed()
{
++invocations;
}
/**
* A message with the given size has been received by the
* associated Transport.
*/
public void messageReceived( int size )
{
++invocations;
}
public double getFrequency()
{
double lifetime = System.currentTimeMillis() - lifetime_begin;
return invocations / lifetime;
}
}