private function loadReferenceManyCollectionOwningSide(PersistentCollection $collection)
{
$hints = $collection->getHints();
$mapping = $collection->getMapping();
$groupedIds = array();
$sorted = isset($mapping['sort']) && $mapping['sort'];
foreach ($collection->getMongoData() as $key => $reference) {
if (isset($mapping['simple']) && $mapping['simple']) {
$className = $mapping['targetDocument'];
$mongoId = $reference;
} else {
$className = $this->uow->getClassNameForAssociation($mapping, $reference);
$mongoId = $reference['$id'];
}
$id = $this->dm->getClassMetadata($className)->getPHPIdentifierValue($mongoId);
// create a reference to the class and id
$reference = $this->dm->getReference($className, $id);
// no custom sort so add the references right now in the order they are embedded
if (!$sorted) {
if (CollectionHelper::isHash($mapping['strategy'])) {
$collection->set($key, $reference);
} else {
$collection->add($reference);
}
}
// only query for the referenced object if it is not already initialized or the collection is sorted
if ($reference instanceof Proxy && !$reference->__isInitialized__ || $sorted) {
$groupedIds[$className][] = $mongoId;
}
}
foreach ($groupedIds as $className => $ids) {
$class = $this->dm->getClassMetadata($className);
$mongoCollection = $this->dm->getDocumentCollection($className);
$criteria = $this->cm->merge(array('_id' => array('$in' => array_values($ids))), $this->dm->getFilterCollection()->getFilterCriteria($class), isset($mapping['criteria']) ? $mapping['criteria'] : array());
$criteria = $this->uow->getDocumentPersister($className)->prepareQueryOrNewObj($criteria);
$cursor = $mongoCollection->find($criteria);
if (isset($mapping['sort'])) {
$cursor->sort($mapping['sort']);
}
if (isset($mapping['limit'])) {
$cursor->limit($mapping['limit']);
}
if (isset($mapping['skip'])) {
$cursor->skip($mapping['skip']);
}
if (!empty($hints[Query::HINT_SLAVE_OKAY])) {
$cursor->slaveOkay(true);
}
if (!empty($hints[Query::HINT_READ_PREFERENCE])) {
$cursor->setReadPreference($hints[Query::HINT_READ_PREFERENCE], $hints[Query::HINT_READ_PREFERENCE_TAGS]);
}
$documents = $cursor->toArray(false);
foreach ($documents as $documentData) {
$document = $this->uow->getById($documentData['_id'], $class);
$data = $this->hydratorFactory->hydrate($document, $documentData);
$this->uow->setOriginalDocumentData($document, $data);
$document->__isInitialized__ = true;
if ($sorted) {
$collection->add($document);
}
}
}
}
/**
* Adds identifiers from a PersistentCollection to $groupedIds.
*
* If the relation contains simple references, the mapping is assumed to
* have a target document class defined. Without that, there is no way to
* infer the class of the referenced documents.
*
* @param PersistentCollection $persistentCollection
* @param array $groupedIds
*/
private function addManyReferences(PersistentCollection $persistentCollection, array &$groupedIds)
{
$mapping = $persistentCollection->getMapping();
if (!empty($mapping['simple'])) {
$className = $mapping['targetDocument'];
$class = $this->dm->getClassMetadata($className);
}
foreach ($persistentCollection->getMongoData() as $reference) {
if (!empty($mapping['simple'])) {
$id = $reference;
} else {
$id = $reference['$id'];
$className = $this->uow->getClassNameForAssociation($mapping, $reference);
$class = $this->dm->getClassMetadata($className);
}
$document = $this->uow->tryGetById($id, $class);
if (!$document || $document instanceof Proxy && !$document->__isInitialized()) {
$id = $class->getPHPIdentifierValue($id);
$groupedIds[$className][serialize($id)] = $id;
}
}
}
