function CheckProvider::loadCheck

Overrides CheckProviderInterface::loadCheck

File

core/lib/Drupal/Core/Access/CheckProvider.php, line 94

Class

CheckProvider

Loads access checkers from the container.

Namespace

Code

public function loadCheck($service_id) {
    if (empty($this->checks[$service_id])) {
        if (!in_array($service_id, $this->checkIds)) {
            throw new \InvalidArgumentException(sprintf('No check has been registered for %s', $service_id));
        }
        $check = $this->container
            ->get($service_id);
        if (!$check instanceof AccessInterface) {
            throw new AccessException('All access checks must implement AccessInterface.');
        }
        if (!is_callable([
            $check,
            $this->checkMethods[$service_id],
        ])) {
            throw new AccessException(sprintf('Access check method %s in service %s must be callable.', $this->checkMethods[$service_id], $service_id));
        }
        $this->checks[$service_id] = $check;
    }
    return [
        $this->checks[$service_id],
        $this->checkMethods[$service_id],
    ];
}