public static function findOne($query = [], array $fields = [], $as_array = false)
{
$pk = static::getPrimaryKey();
$query = Criteria::normalize($query, $pk);
$gridFSFile = static::getCollection()->findOne($query, $fields);
$model = static::instantiate($gridFSFile->file);
$model->gridFSFile = $gridFSFile;
return $model;
}
public function __construct($criteria = null, $hydrate_class, $connection_name = null)
{
if (empty($hydrate_class)) {
throw new Exception('Invalid parameter type.');
}
$this->_hydrate_class = $hydrate_class;
$this->_connection_name = $connection_name;
parent::__construct($criteria);
}
/**
* @param mixed $query
* @param array $fields
* @param bool $as_array
* @return null|self
*/
public function findOne($query = null, array $fields = [], $as_array = false)
{
$class = $this->hydrate_class;
$pk = $class::getPrimaryKey();
$query = Criteria::normalize($query, $pk);
// try to use identity map
if (count($query) === 1 && array_key_exists($pk, $query)) {
$id = $query[$pk];
if ($model = $this->getIdentityMap($id)) {
if ($as_array) {
return $model->getAttributes();
} else {
return $model;
}
}
}
$this->_connection->logging();
if ($document = $this->_mongoCollection->findOne($query, $fields)) {
if ($as_array) {
return $document;
}
/** @var DocumentInterface $model */
$model = $class::instantiate($document);
$model->setIsNew(false);
$model->afterFind($document);
return $model;
}
return null;
}