/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hp.hpl.jena.sparql.util.graph;
import java.util.Date ;
import com.hp.hpl.jena.sparql.util.StringUtils ;
import com.hp.hpl.jena.sparql.util.Timer ;
// To be retired.
// Use a sink instead.
public class GraphLoadMonitor extends GraphListenerCounter
{
Timer timer = null ;
private long lastTime = 0 ;
private boolean displayMemory = false ;
String label = null ;
String summaryLabel = null ;
public GraphLoadMonitor(int addNotePoint, boolean displayMemory)
{
super(addNotePoint) ;
this.displayMemory = displayMemory ;
resetTimer() ;
}
public void setLabel(String label) { this.label = label ; }
public void setSummaryLabel(String label) { this.summaryLabel = label ; }
public void startMonitor()
{
resetTimer() ;
}
public void finishMonitor()
{
if ( timer != null )
timer.endTimer() ;
}
public void resetTimer()
{
if ( timer != null )
timer.endTimer() ;
timer = new Timer() ;
timer.startTimer();
}
public long triplesLoaded() { return getAddCount() ; }
@Override
protected void addTick()
{
long soFar = timer.readTimer() ;
long thisTime = soFar - lastTime ;
long count = getAddCount() ;
long ticks = getAddTicks() ;
// *1000L is milli to second conversion
// addNotePoint/ (thisTime/1000L)
long tpsBatch = (getAddTickSize() * 1000L) / thisTime;
long tpsAvg = (count * 1000L) / soFar;
String msg = "Add: "+num(count)+" triples (Batch: "+num(tpsBatch)+" / Run: "+num(tpsAvg)+")" ;
if ( label != null )
msg = msg+label ;
if ( displayMemory )
{
long mem = Runtime.getRuntime().totalMemory() ;
long free = Runtime.getRuntime().freeMemory() ;
msg = msg+" [M:"+num(mem)+"/F:"+num(free)+"]" ;
}
println(label, msg) ;
if ( ticks > 0 && (ticks%10) == 0 )
{
String x = num(soFar/1000F) ;
String timestamp = StringUtils.str(new Date()) ;
println(label, " Elapsed: "+x+" seconds ["+timestamp+"]") ;
}
lastTime = soFar ;
}
private static String num(long v)
{
return StringUtils.str(v) ;
}
private static String num(float value)
{
return StringUtils.str(value) ;
}
@Override
protected void deleteTick()
{}
@Override
protected void startRead()
{ startMonitor() ; }
@Override
protected void finishRead()
{
finishMonitor() ;
printAtEnd() ;
}
private void printAtEnd()
{
long timeMilli = timer.getTimeInterval() ;
println(summaryLabel, num(getAddCount())+
" triples: loaded in "+
num(timeMilli/1000.0F)+
" seconds ["+
num(1000F*getAddCount()/timeMilli)+
" triples/s]") ;
}
private static void println(String label, String line)
{
if ( label != null )
System.out.print(label) ;
System.out.println(line) ;
}
}