/**
* Fetch all Opus_Collection objects for this document.
*
* @return array An array of Opus_Collection objects.
*/
protected function _fetchCollection()
{
$collections = array();
if (false === is_null($this->isNewRecord())) {
$ids = Opus_Collection::fetchCollectionIdsByDocumentId($this->getId());
foreach ($ids as $id) {
$collection = new Opus_Collection($id);
$collections[] = $collection;
}
}
return $collections;
}
