/// <summary>
///
/// </summary>
public void Deserialization(IPersistable persistable)
{
Stream stream = File.OpenRead(filename);
IMemento memento = new Memento();
IMementoReader mementoReader = new XmlMementoReader();
stream.Seek(0, SeekOrigin.Begin);
mementoReader.Read(memento, stream);
persistable.LoadState(memento);
stream.Close();
}