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<?php |
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namespace PhpBoot\Annotation; |
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use Doctrine\Common\Cache\Cache; |
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use PhpBoot\Cache\CheckableCache; |
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use PhpBoot\Cache\ClassModifiedChecker; |
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use PhpBoot\Utils\Logger; |
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abstract class ContainerBuilder |
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{ |
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/** |
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* ContainerBuilder constructor. |
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* @param array $annotations 需加载的注释和顺序 |
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* @param Cache $cache |
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* 语法 http://jmespath.org/tutorial.html |
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* |
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* [ |
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* [PropertyAnnotationHandler::class, 'property'], |
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* ... |
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* ]; |
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* |
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*/ |
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public function __construct(array $annotations, Cache $cache) |
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{ |
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$this->annotations = $annotations; |
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$this->cache = $cache; |
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} |
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public function setCache(Cache $cache) |
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{ |
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$this->cache = $cache; |
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} |
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/** |
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* load from class with local cache |
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* @param string $className |
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* @return object |
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*/ |
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public function build($className) |
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{ |
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//TODO【重要】 使用全局的缓存版本号, 而不是针对每个文件判断缓存过期与否 |
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$rfl = new \ReflectionClass($className) or \PhpBoot\abort("load class $className failed"); |
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$fileName = $rfl->getFileName(); |
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$key = str_replace('\\','.',get_class($this)).md5(serialize($this->annotations).$fileName.$className); |
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$cache = new CheckableCache($this->cache); |
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$res = $cache->get($key, $this); |
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if($res === $this){ |
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try{ |
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$meta = $this->buildWithoutCache($className); |
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$cache->set($key, $meta, 0, $fileName?new ClassModifiedChecker($className):null); |
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return $meta; |
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}catch (\Exception $e){ |
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Logger::warning(__METHOD__.' failed with '.$e->getMessage()); |
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$cache->set($key, $e->getMessage(), 0, $fileName?new ClassModifiedChecker($className):null); |
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throw $e; |
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} |
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}elseif(is_string($res)){ |
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\PhpBoot\abort($res); |
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}else{ |
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return $res; |
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} |
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} |
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/** |
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* @param string $className |
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* @return object |
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*/ |
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abstract protected function createContainer($className); |
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protected function postCreateContainer($object) |
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{ |
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} |
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protected function handleAnnotation($handlerName, $container, $ann){ |
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$handler = new $handlerName(); |
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return $handler($container, $ann); |
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} |
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/** |
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* @param $className |
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* @return object |
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*/ |
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public function buildWithoutCache($className) |
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{ |
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$container = $this->createContainer($className); |
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$anns = AnnotationReader::read($className, $this->cache); |
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foreach ($this->annotations as $i){ |
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list($class, $target) = $i; |
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$found = \JmesPath\search($target, $anns); |
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if(is_array($found)){ |
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foreach ($found as $f){ |
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$this->handleAnnotation($class, $container,$f); //TODO 支持 |
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} |
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}else{ |
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$this->handleAnnotation($class, $container, $found); |
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} |
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} |
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$this->postCreateContainer($container); |
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return $container; |
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} |
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/** |
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* @var array |
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*/ |
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private $annotations=[]; |
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/** |
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* @var Cache |
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*/ |
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private $cache; |
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} |
caoym /
phpboot
