package dev.ozudo.volatile_atomic;

public class VolatileExample
{
    private  boolean active;

    public  void prepare() throws  InterruptedException{
        new Thread(()->{
            System.out.println("application preparing");
            System.out.println("name = "+Thread.currentThread().getName());
            sleep(5);
            active = true;
        }).start();
    }

    public  void start() throws Exception{
        new Thread(()->{
            long time = System.currentTimeMillis();
            while (!active){
               // System.out.println("application started");
            }
            if(active){
                System.out.println("name = "+Thread.currentThread().getName());
                System.out.println("stop app = "+(System.currentTimeMillis()-time));
            }
        }).start();
    }
    public  void start2() throws Exception{
        new Thread(()->{
            long time = System.currentTimeMillis();
            while (!active){
                // System.out.println("application started");
            }
            if(active){
                System.out.println("name = "+Thread.currentThread().getName());
                System.out.println("stop app 2222 = "+(System.currentTimeMillis()-time));
            }
        }).start();
    }

    private  static  void  sleep(int seconds){
        try {
            Thread.sleep(seconds*1000);
        } catch (InterruptedException e){
            e.printStackTrace();
        }
    }

    public static void main(String[] args) throws  Exception {
        VolatileExample example  = new VolatileExample();
        example.prepare();
        example.start();
        example.start2();
        sleep(1);
    }
}