mirror of
https://github.com/predis/predis.git
synced 2026-08-21 12:10:57 +00:00
Daniele Alessandri
51 lines
1.2 KiB
PHP
51 lines
1.2 KiB
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\Distribution;
|
|
|
|
/**
|
|
* A distributor implements the logic to automatically distribute
|
|
* keys among several nodes for client-side sharding.
|
|
*
|
|
* @author Daniele Alessandri <suppakilla@gmail.com>
|
|
*/
|
|
interface DistributionStrategyInterface
|
|
{
|
|
/**
|
|
* Adds a node to the distributor with an optional weight.
|
|
*
|
|
* @param mixed $node Node object.
|
|
* @param int $weight Weight for the node.
|
|
*/
|
|
public function add($node, $weight = null);
|
|
|
|
/**
|
|
* Removes a node from the distributor.
|
|
*
|
|
* @param mixed $node Node object.
|
|
*/
|
|
public function remove($node);
|
|
|
|
/**
|
|
* Gets a node from the distributor using the computed hash of a key.
|
|
*
|
|
* @return mixed
|
|
*/
|
|
public function get($key);
|
|
|
|
/**
|
|
* Returns the underlying hash generator instance.
|
|
*
|
|
* @return Predis\Cluster\Hash\HashGeneratorInterface
|
|
*/
|
|
public function getHashGenerator();
|
|
}
|