public static function fire($name, $data = array())
{
$event = new WF_Event($name, $data);
if (isset(self::$handlers[$name])) {
foreach (self::$handlers[$name] as $callback) {
try {
call_user_func($callback, $event);
} catch (Exception $e) {
$logger = WF_Registry::get('logger');
if ($logger) {
$logger->warn("call " . WF_Util::getFuncName($callback) . " failed\n");
}
}
}
}
}
/**
* mutexLoad 加锁后加载数据并设置缓存, 如果加锁失败则返回false
*
* @param mixed $params
* @param mixed $func
* @param mixed $args
* @param array $options
* @access public
* @return void
*/
public function mutexLoad($params, $func, $args, $options = array())
{
extract($params);
if ($this->lock($mutex_key, $mutex_lifetime)) {
//请求不成功，或者没有数据，则返回false
//@todo，这种判断是否合理
$ret = call_user_func_array($func, $args);
if ($ret === null || $ret === false) {
$func_name = WF_Util::getFuncName($func);
$this->logger->warn("call func {$func_name} in mutexLoad failed");
return false;
}
$value = array('data' => $ret, 'expire' => time() + $data_lifetime);
$value_str = json_encode($value);
$this->logger->debug("set {$key} {$lifetime} {$value_str}");
$this->cache->set($key, $value_str, $lifetime);
$this->unlock($mutex_key);
return $value;
} else {
return false;
}
}