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<?php |
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declare(strict_types=1); |
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/** |
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* Spiral Framework. |
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* |
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* @license MIT |
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* @author Anton Titov (Wolfy-J) |
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*/ |
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namespace Cycle\Schema\Generator; |
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use Cycle\Schema\Definition\Entity; |
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use Cycle\Schema\Exception\BuilderException; |
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use Cycle\Schema\Exception\RelationException; |
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use Cycle\Schema\GeneratorInterface; |
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use Cycle\Schema\Registry; |
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class ResolveInterfaces implements GeneratorInterface |
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{ |
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// option to indicate that static link resolution is required |
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public const STATIC_LINK = 'staticLink'; |
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/** |
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* @param Registry $registry |
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* @return Registry |
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*/ |
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public function run(Registry $registry): Registry |
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{ |
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foreach ($registry as $entity) { |
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$this->compute($registry, $entity); |
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} |
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return $registry; |
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} |
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/** |
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* @param Registry $registry |
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* @param Entity $entity |
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* |
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* @throws RelationException |
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*/ |
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protected function compute(Registry $registry, Entity $entity) |
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{ |
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foreach ($entity->getRelations() as $relation) { |
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if (!$relation->getOptions()->has(self::STATIC_LINK)) { |
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continue; |
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} |
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$target = $relation->getTarget(); |
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if ($registry->hasRole($target)) { |
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// no need to resolve |
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continue; |
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} |
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$relation->setTarget($this->resolve($registry, $target)); |
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} |
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} |
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/** |
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* @param Registry $registry |
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* @param string $target |
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* @return string |
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*/ |
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protected function resolve(Registry $registry, string $target): string |
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{ |
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if (!class_exists($target)) { |
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throw new RelationException("Unable to resolve static link to non interface target `{$target}`"); |
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} |
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$found = null; |
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foreach ($registry->getIterator() as $entity) { |
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if ($entity->getClass() === null) { |
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continue; |
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} |
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try { |
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$candidate = new \ReflectionClass($entity->getClass()); |
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} catch (\ReflectionException $e) { |
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throw new BuilderException($e->getMessage(), $e->getCode(), $e); |
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} |
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if ($candidate->isSubclassOf($target) || $candidate->implementsInterface($target)) { |
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if ($found !== null) { |
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throw new RelationException("Ambiguous static link to `{$target}`"); |
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} |
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$found = $entity->getClass(); |
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} |
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} |
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if ($found !== null) { |
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return $found; |
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} |
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throw new RelationException("Unable to resolve static link to `{$target}`"); |
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} |
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} |
cycle /
schema-builder
