/**------------------------------------------------------------------------------

MIT License

Copyright (c) 2022 JumperBot_

Permission is hereby granted, free of charge, to any person obtaining a copy

of this software and associated documentation files (the "Software"), to deal

in the Software without restriction, including without limitation the rights

to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

copies of the Software, and to permit persons to whom the Software is

furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all

copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

SOFTWARE.

*-----------------------------------------------------------------------------**/

package SomeUtils.Clock;

import java.util.ArrayList;

public class Stopwatch{

//For demo only!

public static void main(String[]a){

final Stopwatch stopwatch=new Stopwatch();

stopwatch.start();

try{

java.lang.Thread.sleep(1000);

}catch(Exception e){}

stopwatch.split();

System.out.println("Time elapsed in nanoseconds: "+stopwatch.getTimeElapsed());

System.out.println("Time elapsed in milliseconds: "+stopwatch.getTimeElapsed(Stopwatch.millis));

System.out.println("Time elapsed in seconds: "+stopwatch.getTimeElapsed(Stopwatch.seconds));

try{

java.lang.Thread.sleep(1000);

}catch(Exception e){}

stopwatch.split();

final long[][] laps=stopwatch.getLaps();

for(long[] lap:laps){

System.out.println(java.util.Arrays.toString(lap));

}

}

//The actual class!

long start=System.nanoTime();

public final static int millis=0;

public final static int seconds=1;

public final static int nanos=2;

public void start(){

start=System.nanoTime();

}

public long getTimeElapsed(){

return getTimeElapsed(nanos);

}

public long getTimeElapsed(final int unit){

final long timeElapsed=System.nanoTime()-start;

return (long)(

(unit==millis)?timeElapsed/1000000:

(unit==seconds)?(timeElapsed/1000000000):

timeElapsed

);

}

public void lap(){

split();

}

final ArrayList<long[]> laps=new ArrayList<>();

long lastSplit=-1;

public void split(){

final long elapsed=getTimeElapsed();

if(lastSplit==-1)

lastSplit=elapsed;

else

lastSplit=elapsed-lastSplit;

laps.add(new long[]{lastSplit, elapsed});

lastSplit=elapsed;

}

public long[][] getLaps(){

final int lapSize=laps.size();

final long[][] lapsArr=new long[lapSize][3];

for(int i=0;i<lapSize;i++){

final long[] curLap=laps.get(i);

lapsArr[i][0]=i;

lapsArr[i][1]=curLap[0];

lapsArr[i][2]=curLap[1];

}

return lapsArr;

}

}