Matthias\SymfonyServiceDefinitionValidator\ConstructorResolver::resolveFactory PHP 메소드

    private function resolveFactory(Definition $definition)
    {
        if (method_exists($definition, 'getFactory') && $definition->getFactory() !== null) {
            return $definition->getFactory();
        }
        if (method_exists($definition, 'getFactoryClass') && $definition->getFactoryClass(false) && $definition->getFactoryMethod(false)) {
            return array($definition->getFactoryClass(false), $definition->getFactoryMethod(false));
        }
        if (method_exists($definition, 'getFactoryService') && $definition->getFactoryService(false) && $definition->getFactoryMethod(false)) {
            return array(new Reference($definition->getFactoryService(false)), $definition->getFactoryMethod(false));
        }
        return null;
    }