/**
* Marks the PersistentCollection's top-level owner as having a relation to
* a collection scheduled for update or deletion.
*
* If the owner is not scheduled for any lifecycle action, it will be
* scheduled for update to ensure that versioning takes place if necessary.
*
* If the collection is nested within atomic collection, it is immediately
* unscheduled and atomic one is scheduled for update instead. This makes
* calculating update data way easier.
*
* @param PersistentCollectionInterface $coll
*/
private function scheduleCollectionOwner(PersistentCollectionInterface $coll)
{
$document = $this->getOwningDocument($coll->getOwner());
$this->hasScheduledCollections[spl_object_hash($document)][spl_object_hash($coll)] = $coll;
if ($document !== $coll->getOwner()) {
$parent = $coll->getOwner();
while (null !== ($parentAssoc = $this->getParentAssociation($parent))) {
list($mapping, $parent, ) = $parentAssoc;
}
if (CollectionHelper::isAtomic($mapping['strategy'])) {
$class = $this->dm->getClassMetadata(get_class($document));
$atomicCollection = $class->getFieldValue($document, $mapping['fieldName']);
$this->scheduleCollectionUpdate($atomicCollection);
$this->unscheduleCollectionDeletion($coll);
$this->unscheduleCollectionUpdate($coll);
}
}
if (!$this->isDocumentScheduled($document)) {
$this->scheduleForUpdate($document);
}
}
/**
* @param PersistentCollectionInterface $collection
*
* @return CursorInterface
*/
public function createReferenceManyWithRepositoryMethodCursor(PersistentCollectionInterface $collection)
{
$hints = $collection->getHints();
$mapping = $collection->getMapping();
$repositoryMethod = $mapping['repositoryMethod'];
$cursor = $this->dm->getRepository($mapping['targetDocument'])->{$repositoryMethod}($collection->getOwner());
if (!$cursor instanceof CursorInterface) {
throw new \BadMethodCallException("Expected repository method {$repositoryMethod} to return a CursorInterface");
}
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]);
}
return $cursor;
}
/**
* Gets the parent information for a given PersistentCollection. It will
* retrieve the top-level persistent Document that the PersistentCollection
* lives in. We can use this to issue queries when updating a
* PersistentCollection that is multiple levels deep inside an embedded
* document.
*
* <code>
* list($path, $parent) = $this->getPathAndParent($coll)
* </code>
*
* @param PersistentCollectionInterface $coll
* @return array $pathAndParent
*/
private function getPathAndParent(PersistentCollectionInterface $coll)
{
$mapping = $coll->getMapping();
$fields = array();
$parent = $coll->getOwner();
while (null !== ($association = $this->uow->getParentAssociation($parent))) {
list($m, $owner, $field) = $association;
if (isset($m['reference'])) {
break;
}
$parent = $owner;
$fields[] = $field;
}
$propertyPath = implode('.', array_reverse($fields));
$path = $mapping['name'];
if ($propertyPath) {
$path = $propertyPath . '.' . $path;
}
return array($path, $parent);
}
/**
* 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 PersistentCollectionInterface $persistentCollection
* @param array $groupedIds
*/
private function addManyReferences(PersistentCollectionInterface $persistentCollection, array &$groupedIds)
{
$mapping = $persistentCollection->getMapping();
if ($mapping['storeAs'] === ClassMetadataInfo::REFERENCE_STORE_AS_ID) {
$className = $mapping['targetDocument'];
$class = $this->dm->getClassMetadata($className);
}
foreach ($persistentCollection->getMongoData() as $reference) {
if ($mapping['storeAs'] === ClassMetadataInfo::REFERENCE_STORE_AS_ID) {
$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;
}
}
}
/**
* Returns the collection representation to be stored and unschedules it afterwards.
*
* @param PersistentCollectionInterface $coll
* @param bool $includeNestedCollections
* @return array
*/
public function prepareAssociatedCollectionValue(PersistentCollectionInterface $coll, $includeNestedCollections = false)
{
$mapping = $coll->getMapping();
$pb = $this;
$callback = isset($mapping['embedded']) ? function ($v) use($pb, $mapping, $includeNestedCollections) {
return $pb->prepareEmbeddedDocumentValue($mapping, $v, $includeNestedCollections);
} : function ($v) use($pb, $mapping) {
return $pb->prepareReferencedDocumentValue($mapping, $v);
};
$setData = $coll->map($callback)->toArray();
if (CollectionHelper::isList($mapping['strategy'])) {
$setData = array_values($setData);
}
$this->uow->unscheduleCollectionDeletion($coll);
$this->uow->unscheduleCollectionUpdate($coll);
return $setData;
}