import java.util.*;
import java.util.stream.Collectors;

public class CarsGenericStorage {
    final HashMap<String, CarsGenericCollection<DrawTanker, DrawingObjectTanker>> _carStorages;
    public ArrayList<String> Keys()
    {
        return new ArrayList<>(_carStorages.keySet());
    }
    private final int _pictureWidth;
    private final int _pictureHeight;
    public CarsGenericStorage(int pictureWidth, int pictureHeight)
    {
        _pictureHeight = pictureHeight;
        _pictureWidth = pictureWidth;
        _carStorages = new HashMap<>();
    }
    public void AddSet(String name)
    {
        if (Keys().contains(name))
            return;
        _carStorages.put(name, new CarsGenericCollection<>(_pictureWidth, _pictureHeight));
    }
    public void DelSet(String name)
    {
        if (!Keys().contains(name))
            return;
        _carStorages.remove(name);
    }

    public CarsGenericCollection<DrawTanker, DrawingObjectTanker> get(String ind)
    {
        if (Keys().contains(ind))
            return _carStorages.get(ind);
        return null;
    }
    public DrawingObjectTanker get(String name, int ind)
    {
        if (!Keys().contains(name))
            return null;
        return _carStorages.get(name).GetU(ind);
    }



}