/**
* 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);
}
/**
* @param \Wurfl\Request\GenericRequest $request
* @param \stdClass $info
* @param string $uaFile
* @param string $cacheId
*/
private function save(GenericRequest $request, \stdClass $info, $uaFile, $cacheId)
{
// write out to disk for future requests that might have the same UA
$this->writeUAFile($info, $uaFile);
// add the user agent & hash to a list of already saved user agents
// not needed. a performance hit.
$this->addToUAList($request, $info);
$this->cache->setItem($cacheId, $info);
}
/**
* Flush the whole storage
*
* @return bool
*/
public function flush()
{
return $this->cache->flush();
}
/**
* Removes all entries from the Persistence Provider
*/
public function clear()
{
$this->adapter->flush();
}