/**
* @param StreamName $streamName
* @param array $metadata
* @param null|int $minVersion
* @throws StreamNotFoundException
* @return Message[]
*/
public function loadEventsByMetadataFrom(StreamName $streamName, array $metadata, $minVersion = null)
{
$streamEvents = [];
if (!isset($this->streams[$streamName->toString()])) {
return [];
}
foreach ($this->streams[$streamName->toString()] as $index => $streamEvent) {
if ($this->matchMetadataWith($streamEvent, $metadata)) {
if (is_null($minVersion) || $streamEvent->version() >= $minVersion) {
$streamEvents[] = $streamEvent;
}
}
}
return $streamEvents;
}
/**
* @param StreamName $streamName
*
* @return Repository
*/
private function getRepositoryForStream(StreamName $streamName)
{
return new Repository($streamName->toString(), new Config($this->rootDir));
}
/**
* Get table name for given stream name
*
* @param StreamName $streamName
* @return string
*/
protected function getTable(StreamName $streamName)
{
if (isset($this->streamTableMap[$streamName->toString()])) {
$tableName = $this->streamTableMap[$streamName->toString()];
} else {
$tableName = strtolower($this->getShortStreamName($streamName));
if (strpos($tableName, "_stream") === false) {
$tableName .= "_stream";
}
}
return $tableName;
}
/**
* @param StreamName $streamName
* @param null|int $minVersion
* @throws Exception\StreamNotFoundException
* @return Stream
*/
public function load(StreamName $streamName, $minVersion = null)
{
$argv = ['streamName' => $streamName, 'minVersion' => $minVersion];
$event = $this->actionEventEmitter->getNewActionEvent(__FUNCTION__ . '.pre', $this, $argv);
$this->getActionEventEmitter()->dispatch($event);
if ($event->propagationIsStopped()) {
$stream = $event->getParam('stream', false);
if ($stream instanceof Stream && $stream->streamName()->toString() == $streamName->toString()) {
return $stream;
}
throw new StreamNotFoundException(sprintf('A stream with name %s could not be found', $streamName->toString()));
}
$streamName = $event->getParam('streamName');
$minVersion = $event->getParam('minVersion');
$stream = $this->adapter->load($streamName, $minVersion);
if (!$stream) {
throw new StreamNotFoundException(sprintf('A stream with name %s could not be found', $streamName->toString()));
}
$event->setName(__FUNCTION__ . '.post');
$event->setParam('stream', $stream);
$this->getActionEventEmitter()->dispatch($event);
if ($event->propagationIsStopped()) {
throw new StreamNotFoundException(sprintf('A stream with name %s could not be found', $streamName->toString()));
}
return $event->getParam('stream');
}
/**
* @param StreamName $streamName
* @param DateTimeInterface|null $since
* @param array $metadata
* @return ArrayIterator
*/
public function replay(StreamName $streamName, DateTimeInterface $since = null, array $metadata = [])
{
if (!isset($this->streams[$streamName->toString()])) {
return new ArrayIterator();
}
$streamEvents = [];
foreach ($this->streams[$streamName->toString()] as $index => $streamEvent) {
if (null === $since && $this->matchMetadataWith($streamEvent, $metadata)) {
$streamEvents[] = $streamEvent;
} elseif ($streamEvent->createdAt()->format('U.u') >= $since->format('U.u') && $this->matchMetadataWith($streamEvent, $metadata)) {
$streamEvents[] = $streamEvent;
}
}
return new ArrayIterator($streamEvents);
}
/**
* @param StreamName $streamName
* @return string
*/
private function getCollectionName(StreamName $streamName)
{
if (isset($this->streamCollectionMap[$streamName->toString()])) {
$collectionName = $this->streamCollectionMap[$streamName->toString()];
} else {
$collectionName = strtolower($this->getShortStreamName($streamName));
if (strpos($collectionName, "_stream") === false) {
$collectionName .= "_stream";
}
}
return $collectionName;
}
