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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\Framework\ClassResolver\ClassNameFinder\ClassNameFinderInterface; |
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use Gacela\Framework\ClassResolver\DependencyResolver\DependencyResolver; |
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use Gacela\Framework\ClassResolver\GlobalInstance\AnonymousGlobal; |
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use Gacela\Framework\Config; |
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use Gacela\Framework\Config\GacelaFileConfig\GacelaConfigFile; |
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use function class_exists; |
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use function is_string; |
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abstract class AbstractClassResolver |
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{ |
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/** @var array<string,null|object> */ |
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private static array $cachedInstances = []; |
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private ?ClassNameFinderInterface $classNameFinder = null; |
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private ?DependencyResolver $dependencyResolver = null; |
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private ?GacelaConfigFile $gacelaFileConfig = null; |
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abstract public function resolve(object $callerClass): ?object; |
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abstract protected function getResolvableType(): string; |
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public function doResolve(object $callerClass): ?object |
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{ |
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$classInfo = ClassInfo::fromObject($callerClass, $this->getResolvableType()); |
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$cacheKey = $classInfo->getCacheKey(); |
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$resolvedClass = $this->resolveCached($cacheKey); |
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if (null !== $resolvedClass) { |
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return $resolvedClass; |
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} |
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$resolvedClassName = $this->findClassName($classInfo); |
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if (null === $resolvedClassName) { |
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return null; |
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} |
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self::$cachedInstances[$cacheKey] = $this->createInstance($resolvedClassName); |
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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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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->getFinalResolvableTypes() |
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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 (null === $this->classNameFinder) { |
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$this->classNameFinder = (new ClassResolverFactory()) |
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->createClassNameFinder(); |
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} |
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return $this->classNameFinder; |
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} |
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/** |
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* Allow overriding gacela resolvable types. |
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* |
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* @return list<string> |
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*/ |
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private function getFinalResolvableTypes(): array |
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{ |
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$overrideResolvableTypes = $this->getGacelaConfigFile()->getOverrideResolvableTypes(); |
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$overrideResolvable = $overrideResolvableTypes[$this->getResolvableType()] ?? $this->getResolvableType(); |
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if (is_string($overrideResolvable)) { |
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$overrideResolvable = [$overrideResolvable]; |
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} |
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return $overrideResolvable; |
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} |
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private function createInstance(string $resolvedClassName): ?object |
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{ |
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if (class_exists($resolvedClassName)) { |
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$dependencies = $this->getDependencyResolver() |
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->resolveDependencies($resolvedClassName); |
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/** @psalm-suppress MixedMethodCall */ |
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return new $resolvedClassName(...$dependencies); |
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} |
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return null; |
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} |
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private function getDependencyResolver(): DependencyResolver |
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{ |
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if (null === $this->dependencyResolver) { |
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$this->dependencyResolver = new DependencyResolver( |
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$this->getGacelaConfigFile() |
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); |
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} |
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return $this->dependencyResolver; |
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} |
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private function getGacelaConfigFile(): GacelaConfigFile |
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{ |
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if (null === $this->gacelaFileConfig) { |
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$this->gacelaFileConfig = Config::getInstance() |
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->getFactory() |
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->createGacelaConfigFileFactory() |
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->createGacelaFileConfig(); |
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} |
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return $this->gacelaFileConfig; |
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} |
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} |
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