mirror of
https://github.com/phpbb/phpbb.git
synced 2025-05-30 02:59:29 +02:00
74 lines
1.7 KiB
PHP
74 lines
1.7 KiB
PHP
<?php
|
|
/**
|
|
*
|
|
* @package phpBB3
|
|
* @copyright (c) 2010 phpBB Group
|
|
* @license http://opensource.org/licenses/gpl-license.php GNU Public License
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* @ignore
|
|
*/
|
|
if (!defined('IN_PHPBB'))
|
|
{
|
|
exit;
|
|
}
|
|
|
|
/**
|
|
* Cron task base class. Provides sensible defaults for cron tasks
|
|
* and partially implements cron task interface, making writing cron tasks easier.
|
|
*
|
|
* At a minimum, subclasses must override the run() method.
|
|
*
|
|
* Cron tasks need not inherit from this base class. If desired,
|
|
* they may implement cron task interface directly.
|
|
*
|
|
* @package phpBB3
|
|
*/
|
|
abstract class phpbb_cron_task_base implements phpbb_cron_task
|
|
{
|
|
/**
|
|
* Returns whether this cron task can run, given current board configuration.
|
|
*
|
|
* For example, a cron task that prunes forums can only run when
|
|
* forum pruning is enabled.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function is_runnable()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns whether this cron task should run now, because enough time
|
|
* has passed since it was last run.
|
|
*
|
|
* @return bool
|
|
*/
|
|
public function should_run()
|
|
{
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* Returns whether this cron task can be run in shutdown function.
|
|
*
|
|
* By the time shutdown sequence invokes a particular piece of code,
|
|
* resources that that code requires may already be released.
|
|
* If so, a particular cron task may be marked shutdown function-
|
|
* unsafe, and it will be executed in normal program flow.
|
|
*
|
|
* Generally speaking cron tasks should start off as shutdown function-
|
|
* safe, and only be marked shutdown function-unsafe if a problem
|
|
* is discovered.
|
|
*
|
|
* @return bool Whether the cron task is shutdown function-safe.
|
|
*/
|
|
public function is_shutdown_function_safe()
|
|
{
|
|
return true;
|
|
}
|
|
}
|