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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\Connection;
use Predis\Command\CommandInterface;
/**
* Defines a virtual connection composed of multiple connection instances to
* single Redis nodes.
*
* @author Daniele Alessandri <suppakilla@gmail.com>
*/
interface AggregateConnectionInterface extends ConnectionInterface
{
/**
* Adds a connection instance to the aggregate connection.
*
* @param NodeConnectionInterface $connection Connection instance.
*/
public function add(NodeConnectionInterface $connection);
/**
* Removes the specified connection instance from the aggregate connection.
*
* @param NodeConnectionInterface $connection Connection instance.
*
* @return bool Returns true if the connection was in the pool.
*/
public function remove(NodeConnectionInterface $connection);
/**
* Returns the connection instance in charge for the given command.
*
* @param CommandInterface $command Command instance.
*
* @return NodeConnectionInterface
*/
public function getConnectionByCommand(CommandInterface $command);
/**
* Returns a connection instance from the aggregate connection by its alias.
*
* @param string $connectionID Connection alias.
*
* @return NodeConnectionInterface|null
*/
public function getConnectionById($connectionID);
}