<?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; either version 2 of the License, or * (at your option) any later version. * * 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. * http://www.gnu.org/copyleft/gpl.html * * @file */ /** * Factory class for spawning EventRelayer objects using configuration * * @since 1.27 */ class EventRelayerGroup { /** @var array[] */ protected $configByChannel = []; /** @var EventRelayer[] */ protected $relayers = []; /** * @param array[] $config Channel configuration */ public function __construct( array $config ) { $this->configByChannel = $config; } /** * @param string $channel * @return EventRelayer Relayer instance that handles the given channel */ public function getRelayer( $channel ) { $channelKey = isset( $this->configByChannel[$channel] ) ? $channel : 'default'; if ( !isset( $this->relayers[$channelKey] ) ) { if ( !isset( $this->configByChannel[$channelKey] ) ) { throw new UnexpectedValueException( "No config for '$channelKey'" ); } $config = $this->configByChannel[$channelKey]; $class = $config['class']; $this->relayers[$channelKey] = new $class( $config ); } return $this->relayers[$channelKey]; } }