/**
* @param $key
* @param callable $cb
* @return mixed|null
*/
public function get($key, callable $cb)
{
$item = $this->cache->get($key);
if ($item === null) {
$item = $cb();
$this->cache->set($key, $item);
return $item;
} else {
return $item;
}
}
/**
* @param $key
* @param integer $pregenerateIn
*/
private function unlock($key, $pregenerateIn = null)
{
if ($pregenerateIn === null) {
$pregenerateIn = $this->pregenerateIn;
}
$interval = new DateInterval('PT' . $pregenerateIn . 'S');
$regeneratedOn = (new DateTimeImmutable('now'))->add($interval)->format(DateTime::ISO8601);
$this->cache->set('sp' . $key, $regeneratedOn);
}
/**
* @param $key
*/
public function delete($key)
{
$this->cache->delete($this->getKey($key));
}