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