PIbd-14_Pruidze_I.K_Simple_.../ProjectCruiser/CollectionGenericObj/StorageCollection.cs
2024-06-15 09:05:36 +04:00

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namespace ProjectCruiser.CollectionGenericObj;
public class StorageCollection<T>
where T : class
{
// Словарь (хранилище) с коллекциями < name, type (class) >
readonly Dictionary<string, ICollectionGenObj<T>> _storages;
// Возвращение списка названий коллекций
public List<string> Keys => _storages.Keys.ToList();
public StorageCollection()
{
_storages = new Dictionary<string, ICollectionGenObj<T>>();
}
/// Добавление коллекции в хранилище
/// <param name="name">Название коллекции</param>
/// <param name="collectionType">тип коллекции</param>
public void AddCollection(string name, CollectionType collType)
{
if (name == null || _storages.ContainsKey(name)
|| collType == CollectionType.None)
{
return;
}
switch (collType)
{
case CollectionType.List: _storages.Add(name, new ListGenObj<T>()); break;
// _storages[name] = new ListGenericObjects<T>(); break; [*]
case CollectionType.Array: _storages.Add(name, new ArrayGenObj<T>()); break;
}
}
/// Удаление коллекции ( по ключу-строке - её имени )
/// <param name="name">Название коллекции</param>
public void DelCollection(string name)
{
if (_storages.ContainsKey(name)) _storages.Remove(name);
return;
}
/// Доступ к коллекции ( по ключу-строке - её имени )
public ICollectionGenObj<T>? this[string name]
{
get => _storages.ContainsKey(name) ? _storages[name] : null;
/* ^^^
{
if (_storages.ContainsKey(name)) return _storages[name];
return null;
}
*/
}
}