/**
* {@inheritDoc}
*/
public function __invoke(CachePoolInterface $cache, $stage, CacheItemInterface $item = null)
{
if (rand(1, $this->divisor) <= $this->probability) {
// log message
$cache->log('info', Message::get(Message::CACHE_GARBAGE_COLLECT, date("Y-m-d H:i:s")));
// purge those staled
$cache->getDriver()->purge($this->max_lifetime);
}
// always true
return true;
}
/**
* {@inheritDoc}
*/
public function __invoke(CachePoolInterface $cache, $stage, CacheItemInterface $item = null)
{
// 100/1000 (10%) chances to commit
if (rand(1, $this->divisor) <= $this->probability) {
// log message
$cache->log('notice', Message::get(Message::CACHE_COMMIT_DEFERRED));
// commit deferred
$cache->getDriver()->commit();
}
// always return true
return true;
}
/**
* {@inheritDoc}
*/
public function __invoke(CachePoolInterface $cache, $stage, CacheItemInterface $item = null)
{
if ($item instanceof CacheItemInterface && $item->isHit()) {
// time left
$left = $item->getExpiration()->getTimestamp() - time();
if ($left < $this->time_left && rand(1, $this->divisor) <= $this->probability) {
// log message
$cache->log('notice', Message::get(Message::CACHE_STAMPEDE_EXT, $item->getKey()));
// revert to miss
return $item->setHit(false);
}
}
return true;
}
