public function __construct()
{
$this->queue = new \SplPriorityQueue();
$this->timer = Loop\periodic(1, function () {
$time = time();
while (!$this->queue->isEmpty()) {
$key = $this->queue->top();
if (isset($this->expire[$key])) {
if ($time <= $this->expire[$key]) {
break;
}
unset($this->data[$key], $this->expire[$key], $this->ttl[$key]);
}
$this->queue->extract();
}
if ($this->queue->isEmpty()) {
$this->timer->stop();
}
});
$this->timer->stop();
$this->timer->unreference();
}
/**
* {@inheritdoc}
*/
public function clear()
{
parent::clear();
if (null !== $this->signalTimer) {
$this->signalTimer->stop();
$this->signalTimer = $this->timer($this->signalTimer->getInterval(), true, [$this->signalManager, 'tick']);
$this->signalTimer->unreference();
}
}
