/**
* {@inheritdoc}
*/
public function migrate(EventStream $eventStream)
{
$events = array();
foreach ($eventStream->events() as $event) {
if (!$event instanceof PostTitleWasChanged) {
$events[] = $event;
}
}
return new EventStream($eventStream->streamName(), $eventStream->aggregateId(), $events);
}
/**
* {@inheritdoc}
*/
public function persist(EventStream $eventStream, Version $aggregateVersion, Version $applicationVersion)
{
$applicationKey = $this->getApplicationKey($applicationVersion);
if (!$this->store->containsKey($applicationKey)) {
$this->store->set($applicationKey, new ArrayHashMap());
}
/** @var ArrayHashMap $applicationCollection */
$applicationCollection = $this->store->get($applicationKey);
$streamKey = $this->getStreamKey($eventStream->streamName(), $aggregateVersion);
if (!$applicationCollection->containsKey($streamKey)) {
$applicationCollection->set($streamKey, new ArrayHashMap());
}
/** @var ArrayHashMap $streamCollection */
$streamCollection = $applicationCollection->get($streamKey);
$aggregateKey = $eventStream->aggregateId()->toNative();
if (!$streamCollection->containsKey($aggregateKey)) {
$streamCollection->set($aggregateKey, new ArrayList());
}
/** @var ArrayList $aggregateIdCollection */
$aggregateIdCollection = $streamCollection->get($aggregateKey);
foreach ($eventStream->events() as $event) {
$aggregateIdCollection->add($event);
}
}
/**
* Test AggregateId method.
*/
public function testAggregateId()
{
$this->given($postId = PostId::fromNative(md5(rand())))->and($eventStream = new EventStream('posts', $postId, []))->then()->object($eventStream->aggregateId())->isEqualTo($postId);
}
/**
* @param EventStream $history
*
* @return AggregateRootInterface
*/
public static function loadFromHistory(EventStream $history)
{
$reflector = new \ReflectionClass(static::class);
/** @var EventSourcedAggregateRootInterface $aggregateRoot */
$aggregateRoot = $reflector->newInstanceWithoutConstructor();
$aggregateRoot->id = $history->aggregateId();
$aggregateRoot->replay($history);
return $aggregateRoot;
}
