/**
* 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 PersistentCollection $coll
* @return array $pathAndParent
*/
private function getPathAndParent(PersistentCollection $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);
}
/**
* @param PersistentCollection $collection
*
* @return CursorInterface
*/
public function createReferenceManyWithRepositoryMethodCursor(PersistentCollection $collection)
{
$hints = $collection->getHints();
$mapping = $collection->getMapping();
$cursor = $this->dm->getRepository($mapping['targetDocument'])->{$mapping}['repositoryMethod']($collection->getOwner());
if (!$cursor instanceof CursorInterface) {
throw new \BadMethodCallException("Expected repository method {$mapping['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;
}
/**
* 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 PersistentCollection $coll
*/
private function scheduleCollectionOwner(PersistentCollection $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, ) = $parentAssoc;
}
if (isset($mapping['strategy']) && 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);
}
}
