class GetterMetadata

class GetterMetadata extends MemberMetadata {
    
    /**
     * @param string      $class    The class the getter is defined on
     * @param string      $property The property which the getter returns
     * @param string|null $method   The method that is called to retrieve the value being validated (null for auto-detection)
     *
     * @throws ValidatorException
     */
    public function __construct(string $class, string $property, ?string $method = null) {
        if (null === $method) {
            $getMethod = 'get' . ucfirst($property);
            $isMethod = 'is' . ucfirst($property);
            $hasMethod = 'has' . ucfirst($property);
            if (method_exists($class, $getMethod)) {
                $method = $getMethod;
            }
            elseif (method_exists($class, $isMethod)) {
                $method = $isMethod;
            }
            elseif (method_exists($class, $hasMethod)) {
                $method = $hasMethod;
            }
            else {
                throw new ValidatorException(\sprintf('Neither of these methods exist in class "%s": "%s", "%s", "%s".', $class, $getMethod, $isMethod, $hasMethod));
            }
        }
        elseif (!method_exists($class, $method)) {
            throw new ValidatorException(\sprintf('The "%s()" method does not exist in class "%s".', $method, $class));
        }
        parent::__construct($class, $method, $property);
    }
    public function getPropertyValue(mixed $object) : mixed {
        return $this->newReflectionMember($object)
            ->invoke($object);
    }
    protected function newReflectionMember(object|string $objectOrClassName) : \ReflectionMethod|\ReflectionProperty {
        return new \ReflectionMethod($objectOrClassName, $this->getName());
    }

}