/**
* Rebuild an aggregate-root's latest state based on the given audit log.
*
* @param AggregateRootEventList $history
*/
public function reconstituteFrom(AggregateRootEventList $history)
{
if (!$this->history->isEmpty()) {
throw new RuntimeError('Trying to reconstitute a history on a already initialized aggregate-root.');
}
$first = true;
foreach ($history as $past_event) {
if ($first) {
$first = false;
if (!$past_event instanceof AggregateRootCreatedEvent) {
throw new RuntimeError(sprintf('The first event given within a history to reconstitue from must be by the type of "%s".' . ' Instead "%s" was given for AR %s.', AggregateRootCreatedEvent::CLASS, get_class($past_event), $past_event->getAggregateRootIdentifier()));
}
}
$this->history->push($this->applyEvent($past_event, false));
}
return $this->isValid();
}
protected function loadHistory()
{
$identifier = $this->getData($this->getArgument());
if ($identifier instanceof EntityInterface) {
$identifier = $identifier->getIdentifier();
}
$query_result = $this->getDomainEventQueryService()->findEventsByIdentifier($identifier);
$history = new AggregateRootEventList($query_result->getResults());
if ($history->isEmpty()) {
return null;
}
return $history;
}
