public Option <CommandCompletion <TSpec> > Complete <TSpec>(CommandResult <TSpec> result)
where TSpec : CommandSpec <TSpec>, new()
{
if (Dispatches.TryGetValue(result.SubmissionId, out ICommandDispatch dispatched))
{
var completion = CommandCompletion.Create((CommandDispatch <TSpec>)dispatched, result, now());
if (!Completions.TryAdd(result.SubmissionId, completion))
{
throw new Exception("Can't add task to the memory completion index");
}
else
{
return(completion);
}
}
return(none <CommandCompletion <TSpec> >());
}
