/**
* Let's you retrieve the validity time of the cache entries.
*
* @param CacheKey $cacheKey The current cache key.
*
* @return int The validity time of the cache entry in seconds.
*
* @author Christian Achatz
* @version
* Version 0.1, 08.01.2013<br />
*/
protected function getExpireTime(CacheKey $cacheKey)
{
if ($cacheKey->getTtl() !== null) {
return $cacheKey->getTtl();
}
try {
return intval($this->getConfigAttribute('ExpireTime'));
} catch (InvalidArgumentException $e) {
return 0;
// cache forever
}
}
