public function getClientFor($connectionAlias)
{
if (!Predis_Shared_Utils::isCluster($this->_connection)) {
throw new Predis_ClientException('This method is supported only when the client is connected to a cluster of connections');
}
$connection = $this->_connection->getConnectionById($connectionAlias);
if ($connection === null) {
throw new InvalidArgumentException("Invalid connection alias: '{$connectionAlias}'");
}
$newClient = new Predis_Client();
$newClient->setupClient($this->_options);
$newClient->setConnection($this->getConnection($connectionAlias));
return $newClient;
}
