Drest\Mapping\Driver\AnnotationDriver::processMethods PHP Method

    protected function processMethods($methods, Mapping\ClassMetaData $metadata)
    {
        // Set the handle calls
        foreach ($methods as $method) {
            /* @var \ReflectionMethod $method */
            if ($method->isPublic()) {
                foreach ($this->reader->getMethodAnnotations($method) as $methodAnnotation) {
                    if ($methodAnnotation instanceof Annotation\Handle) {
                        // Make sure the for is not empty
                        if (empty($methodAnnotation->for) || !is_string($methodAnnotation->for)) {
                            throw DrestException::handleForCannotBeEmpty();
                        }
                        if (($routeMetaData = $metadata->getRouteMetaData($methodAnnotation->for)) === false) {
                            throw DrestException::handleAnnotationDoesntMatchRouteName($methodAnnotation->for);
                        }
                        if ($routeMetaData->hasHandleCall()) {
                            // There is already a handle set for this route
                            throw DrestException::handleAlreadyDefinedForRoute($routeMetaData);
                        }
                        if (in_array(\DrestCommon\Request\Request::METHOD_GET, $routeMetaData->getVerbs(), true) && !$method->isStatic()) {
                            throw DrestException::handleForGetRouteMustBeStatic();
                        }
                        $routeMetaData->setHandleCall($method->getName());
                    }
                }
            }
        }
    }