/**
* Get a new ElasticSearch client with configuration
*
* @author xhinliang
* @param array $config
* @return ElasticSearchClient
* @throws ElasticSearchException
*/
public static function connection($config = array())
{
if (!$config && ($url = getenv('ELASTICSEARCH_URL'))) {
$config = $url;
}
if (is_string($config)) {
$config = self::parseDsn($config);
}
$config = array_merge(self::$_defaults, $config);
$protocol = $config['protocol'];
if (!isset(self::$_protocols[$protocol])) {
throw new ElasticSearchException("Tried to use unknown protocol: {$protocol}");
}
$class = self::$_protocols[$protocol];
if (null !== $config['timeout'] && !is_numeric($config['timeout'])) {
throw new ElasticSearchException("HTTP timeout should have a numeric value when specified.");
}
$server = is_array($config['servers']) ? $config['servers'][0] : $config['servers'];
list($host, $port) = explode(':', $server);
$transport = new $class($host, $port, $config['timeout']);
$client = new self();
$client->transConstruct($transport, $config['index'], $config['type']);
$client->configuration($config);
return $client;
}
