tao-test/app/taoProctoring/model/TestSessionConnectivityStatusService.php

51 lines
1.5 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) 2016 (original work) Open Assessment Technologies SA ;
*/
namespace oat\taoProctoring\model;
/**
* Interface of service to check whether test session is online.
*
* @author Aleh Hutnikau <hutnikau@1pt.com>
* @package oat\taoProctoring
*/
interface TestSessionConnectivityStatusService
{
const SERVICE_ID = 'taoProctoring/TestSessionConnectivityStatusService';
/**
* Whether user is online
* @param string $sessionId session
* @return bool
*/
public function isOnline($sessionId);
/**
* @param $sessionId
* @return int null|timestamp
*/
public function getLastOnline($sessionId);
/**
* Allow us to know if we should call the isOnline method
* @return bool
*/
public function hasOnlineMode();
}