75 lines
2.3 KiB
PHP
75 lines
2.3 KiB
PHP
<?php
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/**
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* Laconica, the distributed open-source microblogging tool
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*
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* Abstract class for queue managers
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*
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* PHP version 5
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*
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* LICENCE: This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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* @category QueueManager
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* @package Laconica
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* @author Evan Prodromou <evan@controlyourself.ca>
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* @author Sarven Capadisli <csarven@controlyourself.ca>
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* @copyright 2009 Control Yourself, Inc.
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* @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
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* @link http://laconi.ca/
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*/
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class QueueManager
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{
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static $qm = null;
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static function get()
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{
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if (empty(self::$qm)) {
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if (Event::handle('StartNewQueueManager', array(&self::$qm))) {
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$enabled = common_config('queue', 'enabled');
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$type = common_config('queue', 'subsystem');
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if (!$enabled) {
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// does everything immediately
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self::$qm = new UnQueueManager();
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} else {
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switch ($type) {
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case 'db':
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self::$qm = new DBQueueManager();
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break;
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case 'stomp':
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self::$qm = new StompQueueManager();
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break;
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default:
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throw new ServerException("No queue manager class for type '$type'");
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}
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}
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}
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return self::$qm;
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}
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}
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function enqueue($object, $queue)
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{
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throw ServerException("Unimplemented function 'enqueue' called");
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}
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function service($queue, $handler)
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{
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throw ServerException("Unimplemented function 'service' called");
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}
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}
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