src/main/java/adapter/ModelAdapter.java


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package adapter;

import model.Board;
import observer.IObservable;
import observer.IObserver;

import java.util.ArrayList;
import java.util.Collection;
import java.util.Iterator;

/**
 * Created by loic on 21/09/16.
 */
public class ModelAdapter implements IModelAdapter, IObservable{

    private Board model;
    private Collection<IObserver> observers;

    public ModelAdapter(Board model){
        this.model=model;
        observers = new ArrayList<IObserver>();
    }

    @Override
    public void goUp() {
        model.goUp();
        model.addRandomNumber();
        this.notifyObservers();
    }

    @Override
    public void goDown() {
        model.goDown();
        model.addRandomNumber();
        this.notifyObservers();
    }

    @Override
    public void goLeft() {
        model.goLeft();
        model.addRandomNumber();
        this.notifyObservers();
    }

    @Override
    public void goRight() {
        model.goRight();
        model.addRandomNumber();
        this.notifyObservers();
    }


    @Override
    public boolean isLoosed() {
        return this.model.isLoosed();
    }

    public void addRandomNumber() {
        this.model.addRandomNumber();
        this.notifyObservers();
    }

    @Override
    public void addObserver(IObserver observer) {
        this.observers.add(observer);
    }

    @Override
    public void removeObserver(IObserver observer) {
        this.observers.remove(observer);
    }

    @Override
    public void notifyObservers() {
        Iterator<IObserver> i=this.observers.iterator();
        while(i.hasNext()){
            i.next().update();
        }
    }
}