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<?php |
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/* |
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* This file is part of the Sylius package. |
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* |
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* (c) Paweł Jędrzejewski |
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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 Sylius\Component\Metadata\HierarchyProvider; |
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use Sylius\Component\Metadata\Model\MetadataSubjectInterface; |
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/** |
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* @author Kamil Kokot <[email protected]> |
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*/ |
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final class CompositeMetadataHierarchyProvider implements MetadataHierarchyProviderInterface |
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{ |
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/** |
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* @var MetadataHierarchyProviderInterface[] |
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*/ |
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private $providers; |
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/** |
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* @param MetadataHierarchyProviderInterface[] $providers |
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*/ |
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public function __construct(array $providers = []) |
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{ |
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$this->assertProvidersHaveCorrectType($providers); |
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$this->providers = $providers; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function getHierarchyByMetadataSubject(MetadataSubjectInterface $metadataSubject) |
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{ |
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foreach ($this->providers as $provider) { |
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if ($provider->supports($metadataSubject)) { |
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return $provider->getHierarchyByMetadataSubject($metadataSubject); |
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} |
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} |
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return [ |
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$metadataSubject->getMetadataIdentifier(), |
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$metadataSubject->getMetadataClassIdentifier(), |
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]; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function supports(MetadataSubjectInterface $metadataSubject) |
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{ |
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return true; |
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} |
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/** |
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* @param MetadataHierarchyProviderInterface[] $providers |
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*/ |
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private function assertProvidersHaveCorrectType(array $providers) |
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{ |
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foreach ($providers as $provider) { |
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if ($provider instanceof MetadataHierarchyProviderInterface) { |
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continue; |
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} |
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throw new \InvalidArgumentException(sprintf( |
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'Metadata hierarchy provider should have type "%s"', |
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MetadataHierarchyProviderInterface::class |
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)); |
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} |
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} |
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} |
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pamil /
Sylius
