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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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abstract class AbstractClassResolver |
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{ |
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/** @var array<string,mixed|object> */ |
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protected static array $cachedInstances = []; |
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protected static ?ClassNameFinderInterface $classNameFinder = null; |
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/** @var array<string,object> */ |
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private static array $globalResolvedClasses = []; |
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abstract public function resolve(object $callerClass): ?object; |
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public static function addGlobal(string $key, object $resolvedClass): void |
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{ |
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self::$globalResolvedClasses[$key] = $resolvedClass; |
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} |
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/** |
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* @return null|mixed |
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*/ |
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public function doResolve(object $callerClass) |
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{ |
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$classInfo = new ClassInfo($callerClass); |
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$cacheKey = $this->getCacheKey($classInfo); |
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if (isset(self::$cachedInstances[$cacheKey])) { |
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return self::$cachedInstances[$cacheKey]; |
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} |
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$resolvedClassName = $this->findClassName($classInfo); |
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if (null === $resolvedClassName) { |
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return $this->resolveGlobal($cacheKey); |
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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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abstract protected function getResolvableType(): string; |
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/** |
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* @return null|mixed |
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*/ |
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private function resolveGlobal(string $cacheKey) |
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{ |
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$resolvedClass = self::$globalResolvedClasses[$cacheKey] ?? null; |
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if (null === $resolvedClass) { |
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return null; |
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} |
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self::$cachedInstances[$cacheKey] = $resolvedClass; |
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return self::$cachedInstances[$cacheKey]; |
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} |
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private function getCacheKey(ClassInfo $classInfo): string |
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{ |
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return $classInfo->getCacheKey($this->getResolvableType()); |
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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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$this->getResolvableType() |
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); |
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} |
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private function getClassNameFinder(): ClassNameFinderInterface |
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{ |
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if (null === self::$classNameFinder) { |
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$classResolverFactory = new ClassResolverFactory(); |
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self::$classNameFinder = $classResolverFactory->createClassNameFinder(); |
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} |
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return self::$classNameFinder; |
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} |
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/** |
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* @return null|object |
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*/ |
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private function createInstance(string $resolvedClassName) |
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{ |
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if (class_exists($resolvedClassName)) { |
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/** @psalm-suppress MixedMethodCall */ |
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return new $resolvedClassName(); |
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} |
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return null; |
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} |
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} |
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gacela-project /
gacela
