enbock / Simple-Storage

export default class StorageAdapter<T> implements IObserverAdapter<T> {

  protected baseAdapter: IObserverAdapter<T>;

  protected onChangeCallback: IOnChangeCallback<T>;

  constructor(baseAdapter: IObserverAdapter<T>, onChangeCallback: IOnChangeCallback<T>) {

    this.baseAdapter = baseAdapter;

    this.onChangeCallback = onChangeCallback;

  }

  onChange(newValue: T): void {

    this.onChangeCallback(newValue);

    this.baseAdapter.onChange(newValue);