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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\Protocol\ProtocolInterface;

/**
 * Defines a connection object used to communicate with a single Redis server
 * that leverages an external protocol processor to handle pluggable protocol
 * handlers.
 *
 * @author Daniele Alessandri <suppakilla@gmail.com>
 */
interface ComposableConnectionInterface extends SingleConnectionInterface
{
    /**
     * Sets the protocol processor used by the connection.
     *
     * @param ProtocolInterface $protocol Protocol processor.
     */
    public function setProtocol(ProtocolInterface $protocol);

/**
     * Gets the protocol processor used by the connection.
     */
    public function getProtocol();

/**
     * Writes a buffer that contains a serialized Redis command.
     *
     * @param string $buffer Serialized Redis command.
     */
    public function writeBytes($buffer);

/**
     * Reads a specified number of bytes from the connection.
     *
     * @param string
     */
    public function readBytes($length);

/**
     * Reads a line from the connection.
     *
     * @param string
     */
    public function readLine();
}

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