/**
* File: $HeadURL: https://hdt-java.googlecode.com/svn/trunk/hdt-java/src/org/rdfhdt/hdt/util/StopWatch.java $
* Revision: $Rev: 191 $
* Last modified: $Date: 2013-03-03 11:41:43 +0000 (dom, 03 mar 2013) $
* Last modified by: $Author: mario.arias $
*
* This library 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 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* Contacting the authors:
* Mario Arias: mario.arias@deri.org
*
*/
package org.rdfhdt.hdt.util;
public class StopWatch {
protected long ini, end;
public StopWatch() {
reset();
}
public void reset() {
ini = end = System.nanoTime();
}
public void stop() {
end = System.nanoTime();
}
public long getMeasure() {
return end-ini;
}
public long stopAndGet() {
stop();
return getMeasure();
}
public String stopAndShow() {
stop();
return toString();
}
@Override
public String toString() {
return usToString(getMeasure()/1000);
}
private String usToString(long us) {
long totalSecs = us/1000000;
int hours = (int) (totalSecs / 3600);
int mins = (int) (totalSecs / 60) % 60;
int secs = (int) (totalSecs % 60);
int ms = (int) (us%1000000)/1000;
us = us % 1000;
StringBuilder out= new StringBuilder();
if(hours>0) {
out.append(hours).append(" hour ");
}
if(mins>0) {
out.append(mins).append(" min ");
}
if(secs>0) {
out.append(secs).append(" sec ");
}
if(ms>0){
out.append(ms).append(" ms ");
}
if(us>0) {
out.append(us).append(" us ");
}
return out.toString().trim();
}
}