/**
* {@inheritDoc}
*/
public function add(Document $document)
{
if (null === ($id = $document->getId())) {
$document->setId($id = mt_rand() % 100);
$document->setCreatedAt(new \DateTime());
}
$document->setUpdatedAt(new \DateTime());
$this->documents[] = $document;
}
/**
* @return boolean
*/
public function isEqualTo(Document $document)
{
return $this->getId() === $document->getId();
}
