| public setReadPreference ( MongoDB\Driver\ReadPreference | integer | string | null $readPreference ) | ||
| $readPreference | MongoDB\Driver\ReadPreference | integer | string | null | read reference, it can be specified as instance of [[ReadPreference]] or scalar mode value, for example: `ReadPreference::RP_PRIMARY`. |
public function setReadPreference($readPreference)
{
$this->_readPreference = $readPreference;
return $this;
}