/**
* Acquires a lock so only this thread reloads the WURFL data, returns false if it cannot be acquired
*
* @return bool
*/
public function acquireLock()
{
if ($this->adapter->hasItem(self::WURFL_LOCKED)) {
return false;
}
return $this->save(self::WURFL_LOCKED, true);
}
/**
* Test if an item exists.
*
* @param string $cacheId
* @param bool $withVersion
*
* @return bool
*/
public function hasItem($cacheId, $withVersion = true)
{
if ($withVersion) {
$cacheId .= '.' . $this->getVersion();
}
return $this->cache->hasItem($cacheId);
}
