
| Current Path : /proc/thread-self/root/usr/share/php/php-nrk-predis/Cluster/ |
Linux ift1.ift-informatik.de 5.4.0-216-generic #236-Ubuntu SMP Fri Apr 11 19:53:21 UTC 2025 x86_64 |
| Current File : //proc/thread-self/root/usr/share/php/php-nrk-predis/Cluster/StrategyInterface.php |
<?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\Distributor\DistributorInterface;
use Predis\Command\CommandInterface;
/**
* Interface for classes defining the strategy used to calculate an hash out of
* keys extracted from supported commands.
*
* This is mostly useful to support clustering via client-side sharding.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
interface StrategyInterface
{
/**
* Returns a slot for the given command used for clustering distribution or
* NULL when this is not possible.
*
* @param CommandInterface $command Command instance.
*
* @return int
*/
public function getSlot(CommandInterface $command);
/**
* Returns a slot for the given key used for clustering distribution or NULL
* when this is not possible.
*
* @param string $key Key string.
*
* @return int
*/
public function getSlotByKey($key);
/**
* Returns a distributor instance to be used by the cluster.
*
* @return DistributorInterface
*/
public function getDistributor();
}