/**
* Takes a snapshot
* @param StreamName $streamName
* @param AggregateRootInterface $aggregate
* @param DomainMessage $message - The domain message
* @return bool
*/
public function take(StreamName $streamName, AggregateRootInterface $aggregate, DomainMessage $message)
{
$id = $aggregate->getAggregateRootId();
if (!$this->strategy->isFulfilled($streamName, $aggregate)) {
return false;
}
if (!$this->snapshotStore->has($id, $message->getVersion())) {
$this->snapshotStore->save(Snapshot::take($id, $aggregate, $message->getVersion()));
}
return true;
}
/**
* @inheritdoc
*/
public function isFulfilled(StreamName $streamName, AggregateRootInterface $aggregate)
{
$countOfEvents = $this->eventStore->countEventsFor($streamName, $aggregate->getAggregateRootId());
return $countOfEvents && $countOfEvents % $this->count === 0;
}
