package you;

import clowns.Clown;
import clowns.Volkswagen;

import java.util.ArrayList;
import java.util.List;


/**
 * @author Sebastien Lorber <i>(lorber.sebastien@gmail.com)</i>
 */
public class You {


    private static void sleep(int millies) {
        try {
            Thread.sleep(millies);
        } catch (InterruptedException e) {
            throw new RuntimeException(e);
        }
    }


    public static final Volkswagen vw = new Volkswagen();

    public static int clownsInHashCode = 0;


    public static void main(String args[]) {

        List<Clown> clownsList = new ArrayList<Clown>();

        for (int i = 0; i < 20; i++) {
            final int clownIndex = i;
            Clown clown =  new Clown() {
                @Override
                public int hashCode() {
                    clownsInHashCode++;
                    while ( clownsInHashCode != 20 ) {
                        synchronized ( vw ) {
                            try {
                                vw.wait(5000);
                            } catch (InterruptedException e) { }
                        }
                    }
                    synchronized ( vw ) {
                        vw.notifyAll();
                    }
                    return super.hashCode();
                }
                @Override
                public String toString() {
                    return ""+clownIndex;
                }
            };
            clownsList.add(clown);
        }


        for ( Clown clown : clownsList ) {
            final Clown tempClown = clown;
            Thread thread = new Thread( new Runnable() {
                public void run() {
                    synchronized ( vw ) {
                        System.out.println("Starting new thread");
                        vw.add( tempClown );
                    }
                }
            });
            thread.start();
        }


        while ( clownsInHashCode != 20 ) {
            System.out.println("Only " + clownsInHashCode + " clowns waiting in the add method, need to wait a little bit more");
            sleep(100);
        }
        System.out.println("All clown are actually inside the Set.add method but the set size is not incremented yet");
        vw.done();
    }


}