<?php

namespace Craue\FormFlowBundle\Storage;

use Craue\FormFlowBundle\Form\FormFlowInterface;

/**

* @author Christian Raue <[email protected]>

* @copyright 2011-2025 Christian Raue

* @license http://opensource.org/licenses/mit-license.php MIT License

*/

interface DataManagerInterface {

/**

* @var string Key for storing data of all flows.

*/

const STORAGE_ROOT = 'craue_form_flow';

/**

* @return StorageInterface

*/

function getStorage();

/**

* Saves data of the given flow.

* @param FormFlowInterface $flow

* @param array $data

*/

function save(FormFlowInterface $flow, array $data);

/**

* Checks if data exists for a given flow.

* @param FormFlowInterface $flow

* @return bool

*/

function exists(FormFlowInterface $flow);

/**

* Loads data of the given flow.

* @param FormFlowInterface $flow

* @return array

*/

function load(FormFlowInterface $flow);

/**

* Drops data of the given flow.

* @param FormFlowInterface $flow

*/

function drop(FormFlowInterface $flow);

}