private function _instantiateByFactoryBean(BeanDefinition $definition)
{
$factoryBean = $this->getBean($definition->getFactoryBean());
$refObject = new \ReflectionObject($factoryBean);
$factoryMethod = $refObject->getMethod($definition->getFactoryMethod());
$args = $this->_sortArgsWithNames($definition, $factoryMethod);
return $factoryMethod->invokeArgs($factoryBean, $args);
}