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<?php |
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/** |
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* This file is part of the Cubiche package. |
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* |
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* Copyright (c) Cubiche |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Cubiche\Core\Metadata; |
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use Cubiche\Core\Metadata\Cache\CacheInterface; |
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use Cubiche\Core\Metadata\Driver\DriverInterface; |
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/** |
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* ClassMetadataFactory class. |
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* |
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* @author Ivannis Suárez Jerez <[email protected]> |
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*/ |
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class ClassMetadataFactory implements ClassMetadataFactoryInterface |
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{ |
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/** |
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* @var DriverInterface |
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*/ |
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protected $driver; |
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/** |
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* @var CacheInterface |
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*/ |
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protected $cache; |
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/** |
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* @var array |
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*/ |
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protected $loadedMetadata = array(); |
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/** |
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* ClassMetadataFactory constructor. |
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* |
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* @param DriverInterface $driver |
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* @param CacheInterface|null $cache |
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*/ |
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public function __construct(DriverInterface $driver, CacheInterface $cache = null) |
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{ |
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$this->driver = $driver; |
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$this->cache = $cache; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getAllMetadata() |
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{ |
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$metadatas = []; |
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foreach ($this->driver->getAllClassNames() as $className) { |
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if (null !== $metadata = $this->getMetadataFor($className)) { |
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$metadatas[] = $metadata; |
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} |
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} |
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return $metadatas; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getMetadataFor($className) |
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{ |
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if (isset($this->loadedMetadata[$className])) { |
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return $this->loadedMetadata[$className]; |
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} |
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if ($this->cache !== null) { |
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if (($cached = $this->cache->load($className)) !== null) { |
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$this->loadedMetadata[$className] = $cached; |
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} else { |
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foreach ($this->loadMetadata($className) as $loadedClassName) { |
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$this->cache->save($this->loadedMetadata[$loadedClassName]); |
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} |
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} |
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} else { |
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$this->loadMetadata($className); |
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} |
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if (isset($this->loadedMetadata[$className])) { |
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return $this->loadedMetadata[$className]; |
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} |
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return; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function hasMetadataFor($className) |
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{ |
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return isset($this->loadedMetadata[$className]); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setMetadataFor($className, ClassMetadataInterface $metadata) |
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{ |
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$this->loadedMetadata[$className] = $metadata; |
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} |
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/** |
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* Loads the metadata of the class in question and all it's ancestors whose metadata |
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* is still not loaded. |
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* |
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* @param string $className |
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* |
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* @return array |
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*/ |
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protected function loadMetadata($className) |
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{ |
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$classNames = []; |
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foreach ($this->getClassHierarchy($className) as $class) { |
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if (null !== $classMetadata = $this->driver->loadMetadataForClass($class)) { |
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$this->loadedMetadata[$class] = $classMetadata; |
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$classNames[] = $class; |
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} |
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} |
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return $classNames; |
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} |
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/** |
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* @param string $className |
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* |
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* @return array |
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*/ |
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private function getClassHierarchy($className) |
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{ |
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$classes = array(); |
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$refl = new \ReflectionClass($className); |
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do { |
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$classes[] = $refl->getName(); |
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$refl = $refl->getParentClass(); |
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} while (false !== $refl); |
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return array_reverse($classes, false); |
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} |
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} |
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cubiche /
metadata
