public VersionConsistencyException(ResourceInfo 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;
}
private void ApplyMutation(MutationEvent mutation)
{
var version = Version;
State = ApplyMutation(State, mutation, ref version);
Version = version;
}
public void Mutate(MutationEvent mutation)
{
mutation.BaseVersion = Version;
ApplyMutation(mutation);
if (Guid.Empty.Equals(mutation.Id))
{
repo.PushEvent(Resource, mutation);
OnMutationEventPushed?.Invoke(mutation);
}
}
private TState ApplyMutation(TState state, MutationEvent mutation, ref ulong version)
{
if (mutation.BaseVersion != version)
{
throw new VersionConsistencyException(Resource, mutation, version);
}
var newState = (TState)((dynamic)this).Apply(State, (dynamic)mutation);
version++;
return(newState);
}