[] */ private array $backends = []; /** @var IBackend[] holds all backends that have been initialized already */ private array $initializedBackends = []; public function __construct( private Coordinator $bootstrapCoordinator, private IServerContainer $server, private ResourcesRoomsUpdater $updater, ) { } /** * Registers a resource backend * * @since 14.0.0 */ public function registerBackend(string $backendClass): void { $this->backends[$backendClass] = $backendClass; } /** * Unregisters a resource backend * * @param string $backendClass * @since 14.0.0 */ public function unregisterBackend(string $backendClass): void { unset($this->backends[$backendClass], $this->initializedBackends[$backendClass]); } private function fetchBootstrapBackends(): void { if ($this->bootstrapBackendsLoaded) { return; } $context = $this->bootstrapCoordinator->getRegistrationContext(); if ($context === null) { // Too soon return; } foreach ($context->getCalendarRoomBackendRegistrations() as $registration) { $this->backends[] = $registration->getService(); } } /** * @return IBackend[] * @throws \OCP\AppFramework\QueryException * @since 14.0.0 */ public function getBackends():array { $this->fetchBootstrapBackends(); foreach ($this->backends as $backend) { if (isset($this->initializedBackends[$backend])) { continue; } /** * @todo fetch from the app container * * The backend might have services injected that can't be build from the * server container. */ $this->initializedBackends[$backend] = $this->server->query($backend); } return array_values($this->initializedBackends); } /** * @param string $backendId * @throws \OCP\AppFramework\QueryException */ public function getBackend($backendId): ?IBackend { $backends = $this->getBackends(); foreach ($backends as $backend) { if ($backend->getBackendIdentifier() === $backendId) { return $backend; } } return null; } /** * removes all registered backend instances * * @since 14.0.0 */ public function clear(): void { $this->backends = []; $this->initializedBackends = []; } public function update(): void { $this->updater->updateRooms(); } }