private void _createFromHistory(IEnumerable <AggregateEventEnvelope <TAggregate> > history, TAggregateState snapshot = null)
{
if (snapshot != null)
{
Aggregate.SetState(snapshot);
}
else
{
Aggregate.SetState(new TAggregateState
{
Identifier = Identifier,
Version = 0
});
}
Aggregate.ApplyHistory(history);
}