public ChapterTransition TransitionTo <T>(ISaga saga) where T : IChapter
{
var chapterTransition = new ChapterTransition();
if (saga.CurrentChapter != null && saga.CurrentChapter.GetType().Equals(typeof(T)))
{
saga.CurrentChapter.OnTransitionedTo();
chapterTransition.TransitionedTo = (T)saga.CurrentChapter;
return(chapterTransition);
}
chapterTransition.ValidationResults = _chapterValidationService.Validate(saga.CurrentChapter);
if (chapterTransition.Invalid)
{
return(chapterTransition);
}
ThrowIfTransitionNotAllowed(saga, typeof(T));
var chapter = GetExistingChapterIfAnyFrom(saga, typeof(T));
if (chapter == null)
{
chapter = _container.Get <T>();
saga.AddChapter(chapter);
}
saga.SetCurrentChapter(chapter);
chapter.OnTransitionedTo();
_librarian.Catalogue(saga);
chapterTransition.TransitionedTo = (T)chapter;
return(chapterTransition);
}
public void Commit()
{
var trackedObjects = GetObjectsBeingTracked();
foreach (var trackedObject in trackedObjects)
{
var events = trackedObject.UncommittedEvents;
if (events.HasEvents)
{
events.MarkEventsWithCommandDetails(Command);
events.ExpandExecutionContext(ExecutionContext);
ProcessEvents(events);
_saga.Commit(events);
_uncommittedEventStreamCoordinator.Commit(events);
trackedObject.Commit();
_sagaLibrarian.Catalogue(_saga);
}
}
}