private ApplierRetriever GetApplierFromUnindexed(EventAndStateTypes index)
{
var applier = unindexedAppliers
.FirstOrDefault(x => x.GetApplier(index)?.CanApplyEvent(index.stateType, index.eventType) == true);
if (applier.IsDefault)
{
throw new ApplierNotFoundException(index.stateType, index.eventType);
}
return(applier);
}
public IApplyEventsInternal GetApplier(EventAndStateTypes types, bool withCheck = false)
{
var applier = GetApplier();
if (withCheck && !applier.CanApplyEvent(types.stateType, types.eventType))
{
throw new ArgumentException(
$"Type of event {types.eventType} is not supported. Applier type: {applier.GetType().Name}");
}
return(applier);
}
private object ApplyAssumeWritable(Type stateType, object state, Type eventType, object @event)
{
var key = new EventAndStateTypes(stateType, eventType);
if (!indexedStateAppliers.TryGetValue(key, out var indexedApplier))
{
indexedApplier = GetApplierFromUnindexed(key);
indexedStateAppliers.Add(key, indexedApplier);
}
return(indexedApplier.GetApplier()
.Apply(state, @event));
}