/**
  * Dispatch the current controller stored within
  * the $class property.
  *
  * Prior to dispatch this method will add any params
  * present in the payload to the *request* object stored
  * within the service manager.
  *
  * It will then execute the controllers preAction method, the action
  * method provided by the payload, then postAction.
  *
  * @return Proem\Api\Dispatch\Standard
  */
 public function dispatch()
 {
     if ($this->assets->has('request') && $this->payload->get('params') && is_array($this->payload->get('params'))) {
         $this->assets->get('request')->setGetData($this->payload->get('params'));
     }
     $this->class->dispatch($this->action);
     return $this;
 }