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<?php declare(strict_types = 1); |
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namespace Venta\Framework\Kernel\Resolver; |
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use LogicException; |
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/** |
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* Class ServiceProviderDependencyResolver |
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* |
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* @package Venta\Framework\Kernel\Resolver |
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*/ |
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class ServiceProviderDependencyResolver |
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{ |
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/** |
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* Array of service provider classes currently being resolved. |
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* |
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* @var array |
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*/ |
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protected $resolving = []; |
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/** |
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* Array of service provider classes ordered in respecting their dependencies. |
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* |
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* @var array |
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*/ |
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protected $sequence = []; |
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/** |
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* @param array $providers |
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* @return array |
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*/ |
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public function __invoke(array $providers): array |
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{ |
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foreach ($providers as $provider) { |
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$this->detectCircularDependency($provider); |
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$this->resolving[$provider] = $provider; |
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$dependencies = $provider::getDependencies(); |
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if (!empty($dependencies)) { |
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$this->__invoke($dependencies); |
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} |
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if (!in_array($provider, $this->sequence)) { |
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$this->sequence[] = $provider; |
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} |
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unset($this->resolving[$provider]); |
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} |
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return $this->sequence; |
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} |
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/** |
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* Detects circular dependency between two or more service providers. |
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* |
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* @param string $provider |
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* @throws LogicException |
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*/ |
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private function detectCircularDependency(string $provider) |
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{ |
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if (isset($this->resolving[$provider])) { |
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$this->resolving[] = $provider; |
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throw new LogicException(sprintf( |
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'Circular reference detected for service provider "%s", path: "%s".', |
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$provider, |
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implode(' -> ', $this->resolving) |
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)); |
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} |
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} |
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} |
venta /
framework
