/**
* @param ClassMetadata $classMetadata
* @return $this
*
* @throws MappingException
*/
private function fromDocument(ClassMetadata $classMetadata)
{
if ($classMetadata->isSharded()) {
throw MappingException::cannotUseShardedCollectionInOutStage($classMetadata->name);
}
return parent::out($classMetadata->getCollection());
}
/**
* @param object $document
*
* @return array
* @throws MongoDBException
*/
private function getShardKeyQuery($document)
{
if (!$this->class->isSharded()) {
return array();
}
$shardKey = $this->class->getShardKey();
$keys = array_keys($shardKey['keys']);
$data = $this->uow->getDocumentActualData($document);
$shardKeyQueryPart = array();
foreach ($keys as $key) {
$mapping = $this->class->getFieldMappingByDbFieldName($key);
$this->guardMissingShardKey($document, $key, $data);
$value = Type::getType($mapping['type'])->convertToDatabaseValue($data[$mapping['fieldName']]);
$shardKeyQueryPart[$key] = $value;
}
return $shardKeyQueryPart;
}
/**
* Adds inherited shard key to the subclass mapping.
*
* @param ClassMetadata $subClass
* @param ClassMetadata $parentClass
*/
private function setInheritedShardKey(ClassMetadata $subClass, ClassMetadata $parentClass)
{
if ($parentClass->isSharded()) {
$subClass->setShardKey($parentClass->shardKey['keys'], $parentClass->shardKey['options']);
}
}