gnu-social/lib/queuehandler.php
2010-01-20 20:15:09 -05:00

69 lines
2.0 KiB
PHP

<?php
/*
* StatusNet - the distributed open-source microblogging tool
* Copyright (C) 2008, 2009, StatusNet, Inc.
*
* 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/>.
*/
if (!defined('STATUSNET') && !defined('LACONICA')) { exit(1); }
/**
* Base class for queue handlers.
*
* As of 0.9, queue handlers are short-lived for items as they are
* dequeued by a QueueManager running in an IoMaster in a daemon
* such as queuedaemon.php.
*
* Extensions requiring long-running maintenance or polling should
* register an IoManager.
*
* Subclasses must override at least the following methods:
* - transport
* - handle
*/
class QueueHandler
{
/**
* Return transport keyword which identifies items this queue handler
* services; must be defined for all subclasses.
*
* Must be 8 characters or less to fit in the queue_item database.
* ex "email", "jabber", "sms", "irc", ...
*
* @return string
*/
function transport()
{
return null;
}
/**
* Here's the meat of your queue handler -- you're handed a Notice
* or other object, which you may do as you will with.
*
* If this function indicates failure, a warning will be logged
* and the item is placed back in the queue to be re-run.
*
* @param mixed $object
* @return boolean true on success, false on failure
*/
function handle($object)
{
return true;
}
}