<?php
abstract class ActionScheduler_Abstract_Schedule extends ActionScheduler_Schedule_Deprecated
{
private $scheduled_date = NULL;
protected $scheduled_timestamp = NULL;
public function __construct(DateTime $date)
{
$this->scheduled_date = $date;
}
public abstract function is_recurring();
protected abstract function calculate_next(DateTime $after);
public function get_next(DateTime $after)
{
$after = clone $after;
if ($after > $this->scheduled_date) {
$after = $this->calculate_next($after);
return $after;
}
return clone $this->scheduled_date;
}
public function get_date()
{
return $this->scheduled_date;
}
public function __sleep()
{
$this->scheduled_timestamp = $this->scheduled_date->getTimestamp();
return array('scheduled_timestamp');
}
public function __wakeup()
{
$this->scheduled_date = as_get_datetime_object($this->scheduled_timestamp);
unset($this->scheduled_timestamp);
}
}