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<?php
/*
* This file is part of the Predis package.
*
* (c) Daniele Alessandri <suppakilla@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Predis\Cluster;
use Predis\Cluster\Hash\CRC16HashGenerator;
use Predis\Cluster\Hash\HashGeneratorInterface;
/**
* Default class used by Predis to calculate hashes out of keys of
* commands supported by redis-cluster.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
class RedisClusterHashStrategy extends PredisClusterHashStrategy
{
/**
*
*/
public function __construct(HashGeneratorInterface $hashGenerator = null)
{
parent::__construct($hashGenerator ?: new CRC16HashGenerator());
}
/**
* Returns only the hashable part of a key (delimited by "{...}"), or the
* whole key if a key tag is not found in the string.
*
* @param string $key A key.
* @return string
*/
protected function extractKeyTag($key)
{
if (false !== $start = strpos($key, '{')) {
if (false !== ($end = strpos($key, '}', $start)) && $end !== ++$start) {
$key = substr($key, $start, $end - $start);
}
}
return $key;
}
}
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Revision |
Author |
Commited |
Message |
1464
|
MOliva
|
Tue 13 Oct, 2020 11:16:56 +0000 |
|