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Diffstat (limited to 'lib/queuemanager.php')
-rw-r--r-- | lib/queuemanager.php | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/lib/queuemanager.php b/lib/queuemanager.php new file mode 100644 index 000000000..1bf4d4dec --- /dev/null +++ b/lib/queuemanager.php @@ -0,0 +1,89 @@ +<?php +/** + * Laconica, the distributed open-source microblogging tool + * + * Abstract class for queue managers + * + * PHP version 5 + * + * LICENCE: This program is free software: you can redistribute it and/or modify + * it under the terms of the GNU Affero General Public License as published by + * the Free Software Foundation, either version 3 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 Affero General Public License for more details. + * + * You should have received a copy of the GNU Affero General Public License + * along with this program. If not, see <http://www.gnu.org/licenses/>. + * + * @category QueueManager + * @package Laconica + * @author Evan Prodromou <evan@controlyourself.ca> + * @author Sarven Capadisli <csarven@controlyourself.ca> + * @copyright 2009 Control Yourself, Inc. + * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0 + * @link http://laconi.ca/ + */ + +class QueueManager +{ + static $qm = null; + + static function get() + { + if (empty(self::$qm)) { + + if (Event::handle('StartNewQueueManager', array(&self::$qm))) { + + $enabled = common_config('queue', 'enabled'); + $type = common_config('queue', 'subsystem'); + + if (!$enabled) { + // does everything immediately + self::$qm = new UnQueueManager(); + } else { + switch ($type) { + case 'db': + self::$qm = new DBQueueManager(); + break; + case 'stomp': + self::$qm = new StompQueueManager(); + break; + default: + throw new ServerException("No queue manager class for type '$type'"); + } + } + } + + return self::$qm; + } + } + + function enqueue($object, $queue) + { + throw ServerException("Unimplemented function 'enqueue' called"); + } + + function peek($queue) + { + throw ServerException("Unimplemented function 'peek' called"); + } + + function nextItem($queue, $timeout=null) + { + throw ServerException("Unimplemented function 'nextItem' called"); + } + + function done($object, $queue) + { + throw ServerException("Unimplemented function 'done' called"); + } + + function fail($object, $queue) + { + throw ServerException("Unimplemented function 'fail' called"); + } +} |