public void HandleDocument(Document document)
{
// тк документ хранит состояние, берем только нужный обработчик
if (document.CurrentInstantion != this.InstansionType)
{
NextInstantion?.HandleDocument(document);
return;
}
HandleDocumentInternal(document, () => MoveNext(document));
}
private void MoveNext(Document document)
{
if (NextInstantion == null)
{
Console.WriteLine("End chain");
return;
}
Console.WriteLine($"{this.GetType().Name} handled doc");
document.CurrentInstantion = NextInstantion.InstansionType;
NextInstantion.HandleDocument(document);
}