includes/session/SessionProviderInterface.php

   1 <?php
   2 /**
   3  * MediaWiki\Session\Provider interface
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  18  * http://www.gnu.org/copyleft/gpl.html
  19  *
  20  * @file
  21  * @ingroup Session
  22  */
  23
  24 namespace MediaWiki\Session;
  25
  26 use Language;
  27 use Message;
  28
  29 /**
  30  * This exists to make IDEs happy, so they don't see the
  31  * internal-but-required-to-be-public methods on SessionProvider.
  32  *
  33  * @ingroup Session
  34  * @since 1.27
  35  */
  36 interface SessionProviderInterface {
  37
  38         /**
  39          * Return an identifier for this session type
  40          *
  41          * @param Language $lang Language to use.
  42          * @return string
  43          */
  44         public function describe( Language $lang );
  45
  46         /**
  47          * Return a Message for why sessions might not be being persisted.
  48          *
  49          * For example, "check whether you're blocking our cookies".
  50          *
  51          * @return Message|null
  52          */
  53         public function whyNoSession();
  54
  55 }