TickToc.java

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package com.neuronrobotics.sdk.common;
 
import java.text.DecimalFormat;
import java.util.ArrayList;
 
public class TickToc {
    private static final DecimalFormat df = new DecimalFormat(".000");
    private static boolean enabled=false;
    
    public static class Pair {
        public long integer;
 
        public String message;
        public Pair(long timestamp,String message) {
            integer=timestamp;
            this.message=message;
        }
        public void print(Pair start,Pair previous) {
            double tookms = integer-start.integer;
            String m=" took "+df.format(tookms/1000.0)+" seconds ";
            if(previous!=null) {
                double diffms = integer-previous.integer;
                m=m+" from last event "+df.format(diffms/1000.0)+" seconds ";
            }
            m=m+" "+message;
            System.out.println(m);
        }
    }
 
    private static ArrayList<Pair> events = new ArrayList<>();
 
    public static void tic(String message) {
        if(!isEnabled())
            return;
        events.add(new Pair(System.currentTimeMillis(), message));
    }
    
    
    public static void clear() {
        events.clear();
    }
    public static void toc() {
        if(!isEnabled())
            return;
        events.add(new Pair(System.currentTimeMillis(), "Toc end event"));
        Pair start = events.remove(0);
        Pair previous=null;
        System.out.println("\n\n");
        for (int i = 0; i < events.size(); i++) {
            Pair p = events.get(i);
            p.print(start,previous);
            previous=p;
        }
        clear();
    }
 
 
    public static boolean isEnabled() {
        return enabled;
    }
 
 
    public static void setEnabled(boolean enabled) {
        TickToc.enabled = enabled;
        if(!enabled)
            clear();
        else {
            System.out.println("Start TickToc");
            tic("Tick Tock start");
        }
    }
}