/**
* @param StreamName[] $streamNames
* @param DateTimeInterface|null $since
* @param null|array $metadatas One metadata array per stream name, same index order is required
* @return CompositeIterator
* @throws Exception\InvalidArgumentException
*/
public function replay(array $streamNames, DateTimeInterface $since = null, array $metadatas = null)
{
if (empty($streamNames)) {
throw new Exception\InvalidArgumentException('No stream names given');
}
if (null === $metadatas) {
$metadatas = [];
foreach ($streamNames as $streamName) {
$metadatas[] = [];
}
}
if (count($streamNames) !== count($metadatas)) {
throw new Exception\InvalidArgumentException(sprintf('One metadata per stream name needed, given %s stream names but %s metadatas', count($streamNames), count($metadatas)));
}
$iterators = [];
foreach ($streamNames as $key => $streamName) {
$iterators[] = $this->adapter->replay($streamName, $since, $metadatas[$key]);
}
return new CompositeIterator($iterators, function (Message $message1 = null, Message $message2) {
if (null === $message1) {
return true;
}
return $message1->createdAt()->format('U.u') > $message2->createdAt()->format('U.u');
});
}
