public function save(AggregateRoot $root)
{
$aggregateId = (string) $root->getIdentity();
$versionFile = $aggregateId . '-' . $root->getVersion();
if (file_exists($this->dataPath . '/' . $versionFile)) {
throw new IdenticalSnapshot();
}
$stream = fopen($this->dataPath . '/' . $versionFile, 'w');
fwrite($stream, serialize($root));
fclose($stream);
}
/**
* Should a snapshot be created?
*
* @param AggregateRoot $root
* @return bool
*/
public function shouldCreateSnapshot(AggregateRoot $root)
{
if ($root->hasChanges()) {
$lastSnapshot = $this->store->get($root->getIdentity());
$threshold = new \DateTime(date('c', strtotime('-' . $this->threshold)));
if ($lastSnapshot->getCreationDate() > $threshold) {
return true;
}
}
return false;
}
public function save(AggregateRoot $root)
{
return $this->mongo->aggregate_snapshots->insert(['identity' => (string) $root->getIdentity(), 'aggregate' => serialize($root), 'version' => $root->getVersion(), 'creation_date' => new \MongoDate()]);
}
/**
* Save given snapshot
*
* @param AggregateRoot $root
*/
public function save(AggregateRoot $root)
{
$snapshot = new Snapshot($root, $root->getVersion(), new \DateTime());
$this->snapshots[(string) $root->getIdentity()][] = $snapshot;
}
