69 lines
1.8 KiB
PHP
69 lines
1.8 KiB
PHP
<?php
|
|
|
|
/**
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; under version 2
|
|
* of the License (non-upgradable).
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*
|
|
* Copyright (c) 2013 (original work) Open Assessment Technologies SA (under the project TAO-PRODUCT);
|
|
*
|
|
*/
|
|
|
|
namespace oat\tao\model\state;
|
|
|
|
/**
|
|
* Persistence for the item delivery service
|
|
*/
|
|
interface StateStorage
|
|
{
|
|
const SERVICE_ID = 'tao/stateStorage';
|
|
|
|
/**
|
|
* Store the state of the service call
|
|
*
|
|
* @param string $userId
|
|
* @param string $callId
|
|
* @param string $data
|
|
* @return boolean
|
|
*/
|
|
public function set($userId, $callId, $data);
|
|
|
|
/**
|
|
* Retore the state of the service call
|
|
* Returns null if no state is found
|
|
*
|
|
* @param string $userId
|
|
* @param string $callId
|
|
* @return string
|
|
*/
|
|
public function get($userId, $callId);
|
|
|
|
/**
|
|
* Whenever or not a state for this service call exists
|
|
*
|
|
* @param string $userId
|
|
* @param string $callId
|
|
* @return boolean
|
|
*/
|
|
public function has($userId, $callId);
|
|
|
|
/**
|
|
* Remove the state for this service call
|
|
*
|
|
* @param string $userId
|
|
* @param string $callId
|
|
* @return boolean
|
|
*/
|
|
public function del($userId, $callId);
|
|
}
|