includes/libs/services/ServiceAlreadyDefinedException.php

   1 <?php
   2
   3 namespace Wikimedia\Services;
   4
   5 use Exception;
   6 use Psr\Container\ContainerExceptionInterface;
   7 use RuntimeException;
   8
   9 /**
  10  * Exception thrown when a service was already defined, but the
  11  * caller expected it to not exist.
  12  *
  13  * This program is free software; you can redistribute it and/or modify
  14  * it under the terms of the GNU General Public License as published by
  15  * the Free Software Foundation; either version 2 of the License, or
  16  * (at your option) any later version.
  17  *
  18  * This program is distributed in the hope that it will be useful,
  19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  21  * GNU General Public License for more details.
  22  *
  23  * You should have received a copy of the GNU General Public License along
  24  * with this program; if not, write to the Free Software Foundation, Inc.,
  25  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  26  * http://www.gnu.org/copyleft/gpl.html
  27  *
  28  * @file
  29  *
  30  * @since 1.27
  31  */
  32
  33 /**
  34  * Exception thrown when a service was already defined, but the
  35  * caller expected it to not exist.
  36  */
  37 class ServiceAlreadyDefinedException extends RuntimeException
  38         implements ContainerExceptionInterface {
  39
  40         /**
  41          * @param string $serviceName
  42          * @param Exception|null $previous
  43          */
  44         public function __construct( $serviceName, Exception $previous = null ) {
  45                 parent::__construct( "Service already defined: $serviceName", 0, $previous );
  46         }
  47
  48 }
  49
  50 /**
  51  * Retain the old class name for backwards compatibility.
  52  * @deprecated since 1.33
  53  */
  54 class_alias( ServiceAlreadyDefinedException::class,
  55         'MediaWiki\Services\ServiceAlreadyDefinedException' );