/usr/share/php/Predis/Cluster/CommandHashStrategyInterface.php is in libphp-predis 0.8.3-1ubuntu1.
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/*
* 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\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 CommandHashStrategyInterface
{
/**
* Returns the hash for the given command using the specified algorithm, or null
* if the command cannot be hashed.
*
* @param CommandInterface $command Command to be hashed.
* @return int
*/
public function getHash(CommandInterface $command);
/**
* Returns the hash for the given key using the specified algorithm.
*
* @param string $key Key to be hashed.
* @return string
*/
public function getKeyHash($key);
}
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