/**
* Returns the scheduler object. Implements the singleton pattern to
* ensure that only one scheduler exists.
*
* @return CronjobScheduler The scheduler object
*/
public static function getInstance()
{
if (self::$instance === null) {
self::$instance = new self();
}
return self::$instance;
}
/**
* Schedules this task for periodic execution with the provided schedule.
*
* @param mixed $minute Minute part of the schedule:
* - null for "every minute" a.k.a. "don't care"
* - x < 0 for "every x minutes"
* - x >= 0 for "only at minute x"
* @param mixed $hour Hour part of the schedule:
* - null for "every hour" a.k.a. "don't care"
* - x < 0 for "every x hours"
* - x >= 0 for "only at hour x"
* @param mixed $day Day part of the schedule:
* - null for "every day" a.k.a. "don't care"
* - x < 0 for "every x days"
* - x > 0 for "only at day x"
* @param mixed $month Month part of the schedule:
* - null for "every month" a.k.a. "don't care"
* - x < 0 for "every x months"
* - x > 0 for "only at month x"
* @param mixed $day_of_week Day of week part of the schedule:
* - null for "every day" a.k.a. "don't care"
* - 1 >= x >= 7 for "exactly at day of week x"
* (x starts with monday at 1 and ends with
* sunday at 7)
* @param String $priority Priority of the execution (low, normal, high),
* defaults to normal
* @param Array $parameters Optional parameters passed to the task
* @return CronjobSchedule The generated schedule object.
*/
public function schedulePeriodic($minute = null, $hour = null, $day = null, $month = null, $day_of_week = null, $priority = CronjobSchedule::PRIORITY_NORMAL, $parameters = array())
{
return CronjobScheduler::schedulePeriodic($this->id, $minute, $hour, $day, $month, $day_of_week, $priority, $parameters);
}
<?php /** * cronjob-worker - Worker process for the cronjobs * * @author Jan-Hendrik Willms <*****@*****.**> * @license http://www.gnu.org/licenses/gpl-2.0.html GPL version 2 * @category Stud.IP * @since 2.4 */ // +---------------------------------------------------------------------------+ // This file is part of Stud.IP // cronjob-worker.php // // Copyright (C) 2013 Jan-Hendrik Willms <*****@*****.**> // +---------------------------------------------------------------------------+ // This program is free software; you can redistribute it and/or // modify it under the terms of the GNU General Public License // as published by the Free Software Foundation; either version 2 // of the License, or 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 General Public License for more details. // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // +---------------------------------------------------------------------------+ require_once 'studip_cli_env.inc.php'; CronjobScheduler::getInstance()->run();
public function down()
{
$task_id = CronjobTask::findOneByFilename($this->getFilename())->task_id;
CronjobScheduler::unregisterTask($task_id);
}
/**
* Unregisters a previously registered task.
*
* @param String $task_id Id of the task to be unregistered
* @return CronjobScheduler to allow chaining
* @throws InvalidArgumentException when no task with the given id exists
*/
public static function unregister()
{
$class_name = get_called_class();
$task = CronjobTask::findOneByClass($class_name);
if ($task !== null) {
CronjobScheduler::getInstance()->unregisterTask($task->id);
}
}