/// <summary>
/// Locates the aggregate stored in <paramref name="store"/>, identified by <paramref name="id"/>.
/// </summary>
/// <param name="store">Event store to query.</param>
/// <param name="id">Id of the aggregate.</param>
/// <param name="version">Version of the aggregate, or <c>null</c> for the latest version.</param>
/// <param name="cancellationToken">Cancellation token</param>
/// <returns>
/// The constructed aggregate, or <c>null</c> if the stream does not exist in <paramref name="store"/>.
/// </returns>
public static Task <TAggregate?> FromAsync(
IEventStore store,
TIdentity id,
long?version = null,
CancellationToken cancellationToken = default
) =>
store.AggregateAsync(id, GetConfiguration(), version, cancellationToken);
public async Task <TEntity> FindByIdAsync(object id, CancellationToken cancellationToken = default)
{
if (!(id is Guid guidId))
{
throw new NotSupportedException("Id of the Event Sourced aggregate has to be Guid");
}
return((await documentSession.Events.FetchStreamStateAsync(guidId, cancellationToken)) != null
? await eventStore.AggregateAsync <TEntity>(guidId, cancellationToken : cancellationToken)
: null);
}
public async Task <TEntity> GetByIdAsync <TEntity>(object id, CancellationToken cancellationToken = default(CancellationToken)) where TEntity : class, new()
{
if (!(id is Guid guidId))
{
throw new NotSupportedException("Id of the Event Sourced aggregate has to be Guid");
}
if ((await documentSession.Events.FetchStreamStateAsync((Guid)id)) == null)
{
return(null);
}
return(await eventStore.AggregateAsync <TEntity>(guidId, cancellationToken));
}
/// <inheritdoc />
public Task <TAggregate?> AggregateAsync(
TIdentity id,
long?version = null,
CancellationToken cancellationToken = default
) =>
_store.AggregateAsync(id, Configuration, version, cancellationToken);
public static Task <Goat> FromAsync(IEventStore store, Guid id)
{
return(store.AggregateAsync(id, Configuration));
}
public static Task <Case?> FromAsync(IEventStore store, CaseId id)
{
return(store.AggregateAsync(id, Configuration));
}