/**
* Clears all content class identifier cache files from var/cache.
*/
static function clearClassID($cacheItem)
{
$cachePath = eZSys::cacheDirectory();
$fileHandler = eZClusterFileHandler::instance();
$fileHandler->fileDelete($cachePath, 'classidentifiers_');
$fileHandler->fileDelete($cachePath, 'classattributeidentifiers_');
eZContentClass::expireCache();
ezpEvent::getInstance()->notify('content/class/cache/all');
}