3 * Laconica, the distributed open-source microblogging tool
5 * Abstract class for queue managers
9 * LICENCE: This program is free software: you can redistribute it and/or modify
10 * it under the terms of the GNU Affero General Public License as published by
11 * the Free Software Foundation, either version 3 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU Affero General Public License for more details.
19 * You should have received a copy of the GNU Affero General Public License
20 * along with this program. If not, see <http://www.gnu.org/licenses/>.
22 * @category QueueManager
24 * @author Evan Prodromou <evan@controlyourself.ca>
25 * @author Sarven Capadisli <csarven@controlyourself.ca>
26 * @copyright 2009 Control Yourself, Inc.
27 * @license http://www.fsf.org/licensing/licenses/agpl-3.0.html GNU Affero General Public License version 3.0
28 * @link http://laconi.ca/
37 if (empty(self::$qm)) {
39 if (Event::handle('StartNewQueueManager', self::$qm)) {
41 $type = common_config('queue', 'sub');
45 self::$qm = new DBQueueManager();
48 self::$qm = new StompQueueManager();
51 throw new ServerException("No queue manager class for type '$type'");
59 function enqueue($object, $queue)
61 throw ServerException("Unimplemented function 'enqueue' called");
66 throw ServerException("Unimplemented function 'peek' called");
69 function nextItem($queue, $timeout=null)
71 throw ServerException("Unimplemented function 'nextItem' called");
74 function done($object, $queue)
76 throw ServerException("Unimplemented function 'done' called");