/**
* @param mixed $method
* @param array $arguments
* @param array $eventParameters
* @return mixed
*/
protected function getResource($method, $arguments, array $eventParameters = array())
{
if ($this->dispatcher) {
$event = new ServiceEvent();
$event->setService($this)->setRequestMethod($method)->setRequestParameters($arguments)->setParameters($eventParameters);
$this->dispatcher->dispatch(OrchestratorEvents::SERVICE_FETCH_PRE, $event);
if ($event->isResourceSet()) {
return $event->getResource();
}
}
try {
$resource = $this->fetchResource($method, $arguments);
if ($this->dispatcher) {
$event->setResource($resource);
$this->dispatcher->dispatch(OrchestratorEvents::SERVICE_FETCH_POST, $event);
}
} catch (\Exception $e) {
$resource = null;
if ($this->dispatcher) {
$errorEvent = new ServiceErrorEvent($e);
$errorEvent->setService($this)->setRequestMethod($method)->setRequestParameters($arguments)->setParameters($eventParameters);
$this->dispatcher->dispatch(OrchestratorEvents::SERVICE_FETCH_ERROR, $errorEvent);
if ($errorEvent->isSilent()) {
$e = null;
} else {
$e = $errorEvent->getException();
}
}
if ($e) {
throw new Exception($e->getMessage(), 500, $e);
}
}
return $resource;
}
public function onServicePostFetch(ServiceEvent $event)
{
if (!$this->enabled) {
return;
}
$params = $event->getParameters();
$cacheKey = isset($params['cache_key']) ? $event->getService()->getName() . '_' . $params['cache_key'] : false;
$lifetime = isset($params['cache_lifetime']) ? $params['cache_lifetime'] : self::DEFAULT_LIFETIME;
if ($cacheKey && $lifetime) {
$this->cache->save($cacheKey, $event->getResource(), $lifetime);
}
}
public function onServicePreFetch(ServiceEvent $event)
{
if (!$event->isResourceSet()) {
$this->activeProfileEvent = $this->startProfiling($event);
}
}
