public function __construct()
{
if (self::$instance !== null) {
throw new JLD_System_Exception(__CLASS__ . ': only one instance of this class can be created.');
}
if (JLD_Cache_Manager::isFake()) {
throw new JLD_System_Exception(__CLASS__ . ':' . __METHOD__ . ' requires a real cache for performance consideration');
}
$this->system_cache = JLD_Cache_Manager::getCache();
// we must make sure we are initialized!
$this->init();
return parent::__construct(self::thisVersion);
}
protected static function initFromCache()
{
$fake = JLD_Cache_Manager::isFake();
// if the cache is fake, then go the the lengthy process...
if ($fake === true) {
return self::initFromFileSystem();
}
$cache = JLD_Cache_Manager::getCache();
$key = self::getCacheKey(self::thisCacheKeyVar);
self::$cList = $cache->get($key);
// this handles first time initialization OR
// cache entry expiration
if (self::$cList === false) {
self::initFromFileSystem();
self::updateCache();
}
}
