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<?php
declare(strict_types=1);
namespace Doctrine\ORM\Cache;
use function microtime;
class TimestampQueryCacheValidator implements QueryCacheValidator
{
/** @var TimestampRegion */
private $timestampRegion;
public function __construct(TimestampRegion $timestampRegion)
{
$this->timestampRegion = $timestampRegion;
}
/**
* {@inheritdoc}
*/
public function isValid(QueryCacheKey $key, QueryCacheEntry $entry)
{
if ($this->regionUpdated($key, $entry)) {
return false;
}
if ($key->lifetime === 0) {
return true;
}
return $entry->time + $key->lifetime > microtime(true);
}
private function regionUpdated(QueryCacheKey $key, QueryCacheEntry $entry): bool
{
if ($key->timestampKey === null) {
return false;
}
$timestamp = $this->timestampRegion->get($key->timestampKey);
return $timestamp && $timestamp->time > $entry->time;
}
}
|
