/**
* Will persist all previously made changes if there were any.
*
* @param int $lifeTime The cache lifetime in seconds.
* If != 0, sets a specific lifetime for this cache entry (0 => infinite lifeTime).
*/
public function persistCacheIfNeeded($lifeTime)
{
if ($this->isDirty) {
$this->storage->doSave($this->storageId, $this->content, $lifeTime);
}
}
/**
* {@inheritdoc}
*/
public function flushAll()
{
return $this->backend->doFlush();
}
