/**
* @param string $className
* @return ILogger
*/
public static function getLogger($className = '')
{
if (empty($className)) {
$className = Loader::getInstance()->getConfig('log_class');
}
if (!isset(self::$_loggers[$className])) {
$log_priority = Loader::getInstance()->getConfig('log_priority');
self::$_loggers[$className] = new $className($log_priority);
}
return self::$_loggers[$className];
}
/**
* @param bool|false $configKey
* @return bool|IDaoAdapter
*/
public function getDao($configKey = 'default')
{
if (!isset(self::$_daoList[$configKey])) {
$dbConfig = Loader::getInstance()->getConfig($configKey, 'database');
if (!isset($dbConfig) || empty($dbConfig['adapter_class'])) {
trigger_error('No "adapter_class" config item found in "database.php"', E_USER_ERROR);
return false;
}
self::$_daoList[$configKey] = new $dbConfig['adapter_class']($dbConfig);
}
return self::$_daoList[$configKey];
}
/**
* @param string $name
* @return \Memcached
*/
public function getMemcached($name = 'default')
{
$instKey = 'memcached-' . $name;
if (!isset(self::$_cacheInstances[$instKey])) {
$redisConfig = Loader::getInstance()->getConfig('memcached', 'cache');
if (!isset($redisConfig[$name])) {
trigger_error('can not get config item:"memcached.' . $name . '" from cache config file!');
}
$serverConfig = $redisConfig[$name];
self::$_cacheInstances[$instKey] = new Memcached($serverConfig);
}
return self::$_cacheInstances[$instKey];
}