/**
* @param array $params Parameters:
* - collection: (string) The name of the storage collection.
* - mongo_db: (Horde_Mongo_Client) [REQUIRED] The DB instance.
*/
public function __construct(array $params = array())
{
if (!isset($params['mongo_db'])) {
throw new InvalidArgumentException('Missing mongo_db parameter.');
}
parent::__construct(array_merge(array('collection' => 'ingo_storage'), $params));
$this->_params['db'] = $this->_params['mongo_db']->selectCollection(null, $this->_params['collection']);
}
/**
* Create a filter iterator.
*
* @param Ingo_Storage $storage A storage object.
* @param array $filter A list of rules (classnames) to filter.
*
* @return Ingo_Storage_FilterIterator Filtered iterator.
*/
public static function create(Ingo_Storage $storage, array $filter = array())
{
$iterator = new static($storage->getIterator());
$iterator->setFilter($filter);
return $iterator;
}
