PIbd-23_Mochalov_D.V._Locom.../MapsCollection.java

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import java.util.ArrayList;
import java.util.HashMap;
public class MapsCollection {
/// Словарь (хранилище) с картами
final HashMap<String, MapWithSetLocomotivesGeneric<DrawningObjectLocomotive, AbstractMap>> _mapStorages;
/// Возвращение списка названий карт
public ArrayList<String> keys() {
return new ArrayList<String>(_mapStorages.keySet());
}
/// Ширина окна отрисовки
private final int _pictureWidth;
/// Высота окна отрисовки
private final int _pictureHeight;
/// Конструктор
public MapsCollection(int pictureWidth, int pictureHeight)
{
_mapStorages = new HashMap<String, MapWithSetLocomotivesGeneric<DrawningObjectLocomotive, AbstractMap>>();
_pictureWidth = pictureWidth;
_pictureHeight = pictureHeight;
}
/// Добавление карты
public void AddMap(String name, AbstractMap map)
{
// Логика для добавления
if (!_mapStorages.containsKey(name)) _mapStorages.put(name, new MapWithSetLocomotivesGeneric<DrawningObjectLocomotive, AbstractMap>(_pictureWidth, _pictureHeight, map));
}
/// Удаление карты
public void DelMap(String name)
{
// Логика для удаления
if (_mapStorages.containsKey(name)) _mapStorages.remove(name);
}
/// Доступ к парковке
public MapWithSetLocomotivesGeneric<DrawningObjectLocomotive, AbstractMap> Get(String ind)
{
// Логика получения объекта
if (_mapStorages.containsKey(ind)) return _mapStorages.get(ind);
return null;
}
// Доп.индексатор из задания
public DrawningObjectLocomotive Get (String name, int position) {
if (_mapStorages.containsKey(name)) return _mapStorages.get(name)._setLocomotives.Get(position);
else return null;
}
}