private void ApplyMutation(MutationEvent mutation)
{
var versions = Versions;
State = ApplyMutation(State, mutation, DetalizationLevel, ref versions);
Versions = versions;
}
public VersionConsistencyException(Resource resource, MutationEvent mutation, ulong aggregateVersion)
: base($"Версия агрегата для ресурса {resource.ToFullString()} {aggregateVersion} не соответствует базовой версии для события ${mutation}")
{
Resource = resource;
Mutation = mutation;
AggregateVersion = aggregateVersion;
}
public void Mutate(MutationEvent mutation)
{
mutation.BaseVersion = GetVersion();
ApplyMutation(mutation);
if (Guid.Empty.Equals(mutation.Id))
{
repo.PushEvent(Resource, mutation);
}
}
private TState ApplyMutation(TState state, MutationEvent mutation, byte detalizationLevel, ref List <ulong> versions)
{
if (mutation.DetalizationLevel > detalizationLevel)
{
throw new ArgumentException("Попытка применить событие с более высокой степенью детализации");
}
var version = GetVersion(versions, mutation.DetalizationLevel);
if (mutation.BaseVersion != version)
{
throw new VersionConsistencyException(Resource, mutation, version);
}
var newState = (TState)((dynamic)this).Apply(State, (dynamic)mutation);
IncrementVersion(ref versions, mutation.DetalizationLevel);
return(newState);
}