/// <summary>
/// Levée d'un évènement.
/// </summary>
/// <typeparam name="AggregateT">Type de l'agrégat.</typeparam>
/// <typeparam name="IndexT">Type de l'index.</typeparam>
/// <param name="raisedEvent">Evènement.</param>
/// <param name="applicationContext">Contexte de l'application.</param>
/// <returns>Agrégat.</returns>
public async Task <AggregateT> Raise <AggregateT, IndexT>(IEvent <AggregateT, IndexT> raisedEvent, IApplicationContext applicationContext)
where AggregateT : IAggregate <IndexT>
where IndexT : IComparable, IComparable <IndexT>, IEquatable <IndexT>
{
// Construction des informations sur l'évènement et sauvegarde.
IEventInformation eventInformation = BuildEventInformation(raisedEvent, applicationContext.CurrentUser);
// TODO : stokcage des évènements.
// Recherche de la source de données pour le type d'agrégat.
IRepository <AggregateT, IndexT> repository = repositoryService.GetRepository <AggregateT, IndexT>();
// Recherche de l'agrégat et création s'il n'existe pas.
AggregateT aggregate = await repository.GetByIdOrDefaultAsync(raisedEvent.AggregateId);
if (aggregate == null)
{
// Construction de l'agrégat.
aggregate = BuildAggregate <AggregateT, IndexT>();
// Création d'un identifiant pour l'évènement.
raisedEvent.AggregateId = await repository.GetNextAggregatetIdAsync(aggregate.GenerateNextId);
}
// Application des modifications.
raisedEvent.Apply(aggregate);
// Lancement en asynchrone de l'évènement pour prise en compte dans EventHandler.
await ActivateEventHanlders(raisedEvent, aggregate);
return(aggregate);
}
public void Apply(IEvent @event)
{
if ([email protected](GetType()))
{
throw new Exception($"cant apply to {this.GetType()}");
}
@event.Apply((dynamic)this);
OnEventApplied(@event);
}
public void Apply(IEvent @event)
{
object aggregate;
if (_items.TryGetValue(@event.AggregateID, out aggregate) == false)
{
_items[@event.AggregateID] = aggregate = _createBlank();
}
@event.Apply(aggregate, _aggregator);
}
public virtual bool AddAndApply(IEvent <T, TKey> item, T value)
{
if (Contains(item))
{
return(false);
}
item.Apply(value);
Add(item);
return(true);
}
/// <summary>
/// Adds <see cref="item"/> to list.
/// Applies <see cref="item"/> if <see cref="IMutationEvent{T}"/>
/// or <see cref="item"/> if <see cref="IOrderedEvent{TKey, TOrder}.Order"/> <see cref="CompareUtilities.GreaterOrEqualTo"/> <see cref="MaxOrder"/>.
/// </summary>
/// <param name="value"></param>
/// <param name="item"></param>
/// <returns>Wether <see cref="item"/> is applied.</returns>
public override bool AddAndApply(IEvent <T, TKey> item, T value)
{
Add(item);
if (!(item is IOrderedEvent <TKey, TOrder>) ||
item is IMutationEvent <T, TKey> ||
(item is IOrderedEvent <TKey, TOrder> orderedEvent && CompareUtilities.GreaterOrEqualTo(orderedEvent.Order, MaxOrder)))
{
item.Apply(value);
return(true);
}
return(false);
}
public async Task <TAggregate> Raise <TAggregate>(IEvent <TAggregate> @event) where TAggregate : class, IAggregate
{
var eventInformation = this.BuildEventInformation(@event);
await this.EventInformationRepository.Create(eventInformation);
var aggregate = await this._dependencyResolver.Get <IRepository <TAggregate> >().GetByIdOrNull(@event.AggregateId);
if (aggregate == null)
{
aggregate = this.BuildAggregate <TAggregate>();
}
@event.Apply(aggregate);
await this.LaunchEventHandlers(aggregate, @event);
return(aggregate);
}
public void Apply <TAggregate>(IEvent <TKey, TAggregate> @event) where TAggregate : IAggregate <TKey>
{
@event.Apply((dynamic)this);
OnEventApplied(@event);
}
public void Apply(IEvent @event)
{
var aggregate = _items.GetOrAdd(@event.AggregateID.ToString(), key => _createBlank());
@event.Apply(aggregate, _aggregator);
}
private void Apply(IEvent <Person> evnt)
{
evnt.Apply(this);
unsavedEvents.Add(evnt);
}
public virtual void InsertAndApply(int index, IEvent <T, TKey> item, T value)
{
item.Apply(value);
Insert(index, item);
}