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<?php |
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declare(strict_types=1); |
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namespace Gacela\Framework\ClassResolver; |
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use Gacela\Container\Container; |
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use Gacela\Framework\AbstractConfig; |
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use Gacela\Framework\AbstractFacade; |
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use Gacela\Framework\AbstractFactory; |
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use Gacela\Framework\ClassResolver\ClassNameFinder\ClassNameFinderInterface; |
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use Gacela\Framework\ClassResolver\Config\ConfigResolver; |
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use Gacela\Framework\ClassResolver\Facade\FacadeResolver; |
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use Gacela\Framework\ClassResolver\Factory\FactoryResolver; |
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use Gacela\Framework\ClassResolver\GlobalInstance\AnonymousGlobal; |
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use Gacela\Framework\Config\Config; |
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use Gacela\Framework\Config\GacelaFileConfig\GacelaConfigFileInterface; |
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use Gacela\Framework\Event\ClassResolver\ResolvedClassCachedEvent; |
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use Gacela\Framework\Event\ClassResolver\ResolvedClassCreatedEvent; |
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use Gacela\Framework\Event\ClassResolver\ResolvedClassTriedFromParentEvent; |
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use Gacela\Framework\Event\ClassResolver\ResolvedCreatedDefaultClassEvent; |
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use Gacela\Framework\Event\Dispatcher\EventDispatchingCapabilities; |
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use function is_array; |
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use function is_object; |
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abstract class AbstractClassResolver |
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{ |
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use EventDispatchingCapabilities; |
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/** @var array<string, null|object> */ |
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private static array $cachedInstances = []; |
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private static ?ClassNameFinderInterface $classNameFinder = null; |
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private ?GacelaConfigFileInterface $gacelaFileConfig = null; |
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private ?Container $container = null; |
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/** |
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* @internal remove all cached instances: facade, factory, config, dependency-provider |
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*/ |
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public static function resetCache(): void |
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{ |
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self::$cachedInstances = []; |
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self::$classNameFinder = null; |
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} |
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/** |
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* @param object|class-string $caller |
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*/ |
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abstract public function resolve(object|string $caller): ?object; |
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abstract protected function getResolvableType(): string; |
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/** |
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* @param object|class-string $caller |
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*/ |
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protected function doResolve(object|string $caller, ?string $previousCacheKey = null): ?object |
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{ |
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$classInfo = ClassInfo::from($caller, $this->getResolvableType()); |
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$cacheKey = $previousCacheKey ?? $classInfo->getCacheKey(); |
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$resolvedClass = $this->resolveCached($cacheKey); |
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if ($resolvedClass !== null) { |
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self::dispatchEvent(new ResolvedClassCachedEvent($classInfo)); |
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return $resolvedClass; |
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} |
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$resolvedClassName = $this->findClassName($classInfo); |
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if ($resolvedClassName !== null) { |
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$instance = $this->createInstance($resolvedClassName); |
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self::dispatchEvent(new ResolvedClassCreatedEvent($classInfo)); |
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} else { |
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// Try again with its parent class |
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if (is_object($caller)) { |
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$parentClass = get_parent_class($caller); |
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if ($parentClass !== false) { |
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self::dispatchEvent(new ResolvedClassTriedFromParentEvent($classInfo)); |
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return $this->doResolve($parentClass, $cacheKey); |
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} |
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} |
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self::dispatchEvent(new ResolvedCreatedDefaultClassEvent($classInfo)); |
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$instance = $this->createDefaultGacelaClass(); |
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} |
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self::$cachedInstances[$cacheKey] = $instance; |
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return self::$cachedInstances[$cacheKey]; |
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} |
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private function resolveCached(string $cacheKey): ?object |
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{ |
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return AnonymousGlobal::getByKey($cacheKey) |
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?? self::$cachedInstances[$cacheKey] |
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?? null; |
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} |
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/** |
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* @return class-string|null |
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*/ |
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private function findClassName(ClassInfo $classInfo): ?string |
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{ |
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return $this->getClassNameFinder()->findClassName( |
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$classInfo, |
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$this->getPossibleResolvableTypes(), |
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); |
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} |
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private function getClassNameFinder(): ClassNameFinderInterface |
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{ |
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if (!self::$classNameFinder instanceof ClassNameFinderInterface) { |
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self::$classNameFinder = (new ClassResolverFactory( |
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Config::getInstance()->getSetupGacela(), |
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))->createClassNameFinder(); |
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} |
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return self::$classNameFinder; |
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} |
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/** |
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* Allow overriding gacela suffixes resolvable types. |
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* |
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* @return list<string> |
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*/ |
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private function getPossibleResolvableTypes(): array |
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{ |
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$suffixTypes = $this->getGacelaConfigFile()->getSuffixTypes(); |
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$resolvableTypes = $suffixTypes[$this->getResolvableType()] ?? $this->getResolvableType(); |
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return is_array($resolvableTypes) ? $resolvableTypes : [$resolvableTypes]; |
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} |
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/** |
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* @param class-string $resolvedClassName |
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*/ |
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private function createInstance(string $resolvedClassName): object |
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{ |
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if (!$this->container instanceof Container) { |
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$this->container = new Container( |
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$this->getGacelaConfigFile()->getBindings(), |
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); |
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} |
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/** @var object $instance */ |
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$instance = $this->container->get($resolvedClassName); |
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return $instance; |
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} |
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private function getGacelaConfigFile(): GacelaConfigFileInterface |
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{ |
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if (!$this->gacelaFileConfig instanceof GacelaConfigFileInterface) { |
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$this->gacelaFileConfig = Config::getInstance() |
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->getFactory() |
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->createGacelaFileConfig(); |
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} |
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return $this->gacelaFileConfig; |
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} |
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private function createDefaultGacelaClass(): ?object |
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{ |
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return match ($this->getResolvableType()) { |
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FacadeResolver::TYPE => new /** @extends AbstractFacade<AbstractFactory> */ class() extends AbstractFacade {}, |
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FactoryResolver::TYPE => new /** @extends AbstractFactory<AbstractConfig> */ class() extends AbstractFactory {}, |
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ConfigResolver::TYPE => new class() extends AbstractConfig {}, |
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default => null, |
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}; |
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} |
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} |
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gacela-project /
gacela
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