public static IApplyEventsInternal From <TState>(IApplyEvents <TState> publicApplier)
{
var stateType = typeof(TState);
return(new FunctionalInternalApplier((s, e) => publicApplier.Apply((TState)s, e),
(s, e) => s == stateType && publicApplier.CanApplyEvent(e)));
}
/// <summary>
/// Applies all <see cref="Commit.Events"/> to the specified <paramref name="aggregate"/> instance.
/// </summary>
/// <param name="commit">The <see cref="Commit"/> to be applied to the specified <paramref name="aggregate"/>.</param>
/// <param name="aggregate">The <see cref="Aggregate"/> instance for which the commit is to be applied.</param>
private void ApplyCommitToAggregate(Commit commit, Aggregate aggregate)
{
var expectedVersion = aggregate.Version + 1;
if (commit.Version != expectedVersion)
{
throw new InvalidOperationException(Exceptions.MissingAggregateCommits.FormatWith(expectedVersion, commit.Version));
}
aggregate.Version = commit.Version;
foreach (var e in commit.Events)
{
using (new EventContext(aggregate.Id, commit.Headers, e))
aggregateUpdater.Apply(e, aggregate);
}
}