/* * Copyright 2010-2015 Institut Pasteur. * * This file is part of Icy. * * Icy 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, either version 3 of the License, or * (at your option) any later version. * * Icy 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 Icy. If not, see <http://www.gnu.org/licenses/>. */ package icy.system.profile; /** * This class provide a simple chronometer using Calendar.getInstance().getTimeInMillis(); * * @author fab */ public class Chronometer { long startTimeInNs; String descriptionString; public Chronometer(String descriptionString) { this.descriptionString = descriptionString; startTimeInNs = System.nanoTime(); System.out.println(descriptionString + ": chrono Started"); } public long getNanos() { return System.nanoTime() - startTimeInNs; } public void displayMs() { System.out.println(descriptionString + "(ms): " + getNanos() / 1000000f); } public void displayInSeconds() { System.out.println(descriptionString + "(s): " + getNanos() / 1000000000f); } @Override public String toString() { return descriptionString + "(nanos): " + getNanos(); } }