public class Sito implements Runnable {

    int id;


    public Sito(int id) {
        this.id = id;
        System.out.println("Witam, jestem watek nr: " + id );
    }

    @Override
    public void run() {


            int i = 1;
            try {

                while(i<Main.maximum)
                {


                    Main.semaphore.acquire();
                    i = Main.set.nextSetBit(i + 1);
                    Main.semaphore.release();

                    for (int j = i*2; j < Main.size; j += i)
                    {
                        if(Main.set.get(i)) {
                            Main.set.clear(j);
                            Main.semaphore.release();
                        }
                        else {
                            Main.semaphore.release();
                            break;
                        }
                    }

                }

            } catch (InterruptedException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }






    }

    private int getNextToCheck(int next) throws InterruptedException {
        Main.semaphore.acquire();
        int z=  Main.set.nextSetBit(next + 1);
        Main.semaphore.release();
        return z;

    }

    private boolean clearIfNeeded(int i,int j) throws InterruptedException
    {
        Main.semaphore.acquire();

        if(Main.set.get(i)==false)
            {
            Main.semaphore.release();
            return false;
            }
        else {
            Main.set.clear(j);
            Main.semaphore.release();
            return true;

        }


    }

}