gnu-social/lib/queuemanager.php

85 lines
2.5 KiB
PHP
Raw Normal View History

2009-06-28 19:38:31 +01:00
<?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))) {
2009-06-28 19:38:31 +01:00
$enabled = common_config('queue', 'enabled');
$type = common_config('queue', 'sub');
if (!$enabled) {
// does everything immediately
return new UnQueueManager();
}
2009-06-28 19:38:31 +01:00
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");
}
}