/**
* (C) Copyright IBM Corp. 2010, 2015
*
* Licensed 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.ibm.bi.dml.utils;
public class Timer
{
long start;
double sofar;
public Timer() {
start = 0 ;
sofar = 0.0;
}
public void start() {
start = System.nanoTime();
sofar = 0.0;
}
public double stop() {
double duration = sofar + (System.nanoTime()-start)*1e-6;
sofar = 0.0;
start = 0;
return duration;
}
public double nanostop() {
double duration = sofar + (System.nanoTime()-start);
sofar = 0.0;
start = 0;
return duration;
}
public double pause() {
sofar += (System.nanoTime()-start)*1e-6;
return sofar;
}
public void resume() {
start = System.nanoTime();
}
}