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<?php |
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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 Valentin V (Vvval) |
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*/ |
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declare(strict_types=1); |
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namespace Cycle\ORM\Promise; |
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use Cycle\ORM\ORMInterface; |
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use Cycle\ORM\Promise\Declaration\Declarations; |
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use Cycle\ORM\Promise\Declaration\Extractor; |
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use Cycle\ORM\Promise\Exception\ProxyFactoryException; |
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use Cycle\ORM\Promise\Materizalizer\EvalMaterializer; |
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use Cycle\ORM\PromiseFactoryInterface; |
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use Cycle\ORM\Schema; |
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use Doctrine\Instantiator\Instantiator; |
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use Spiral\Core\Container\SingletonInterface; |
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final class ProxyFactory implements PromiseFactoryInterface, SingletonInterface |
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{ |
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/** @var Printer */ |
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private $printer; |
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/** @var MaterializerInterface */ |
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private $materializer; |
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/** @var Names */ |
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private $names; |
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/** @var Instantiator */ |
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private $instantiator; |
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/** @var Extractor */ |
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private $extractor; |
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/** @var array */ |
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private $resolved = []; |
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/** |
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* @param Printer|null $printer |
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* @param MaterializerInterface|null $materializer |
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* @param Names|null $names |
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* @param Instantiator|null $instantiator |
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* @param Extractor|null $extractor |
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*/ |
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public function __construct( |
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Printer $printer = null, |
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MaterializerInterface $materializer = null, |
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Names $names = null, |
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Instantiator $instantiator = null, |
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Extractor $extractor = null |
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) { |
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$this->printer = $printer ?? new Printer(); |
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$this->materializer = $materializer ?? new EvalMaterializer(); |
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$this->names = $names ?? new Names(); |
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$this->instantiator = $instantiator ?? new Instantiator(); |
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$this->extractor = $extractor ?? new Extractor(); |
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} |
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/** |
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* @param ORMInterface $orm |
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* @param string $role |
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* @param array $scope |
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* @return PromiseInterface |
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* |
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* @throws ProxyFactoryException |
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* @throws \Doctrine\Instantiator\Exception\ExceptionInterface |
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*/ |
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public function promise(ORMInterface $orm, string $role, array $scope): PromiseInterface |
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{ |
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$class = $orm->getSchema()->define($role, Schema::ENTITY); |
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if (empty($class)) { |
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return new PromiseOne($orm, $role, $scope); |
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} |
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try { |
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$reflection = new \ReflectionClass($class); |
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} catch (\ReflectionException $e) { |
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throw ProxyFactoryException::wrap($e); |
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} |
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if (isset($this->resolved[$role])) { |
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return $this->instantiate($reflection, $this->resolved[$role], $orm, $role, $scope); |
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} |
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$parent = Declarations::createParentFromReflection($reflection); |
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$class = Declarations::createClassFromName($this->names->make($reflection), $parent); |
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if (!class_exists($class->getFullName())) { |
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$this->materializer->materialize( |
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$this->printer->make($reflection, $class, $parent), |
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$class->getShortName(), |
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$reflection |
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); |
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} |
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$this->resolved[$role] = $class->getFullName(); |
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return $this->instantiate($reflection, $this->resolved[$role], $orm, $role, $scope); |
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} |
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/** |
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* @param \ReflectionClass $reflection |
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* @param string $className |
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* @param ORMInterface $orm |
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* @param string $role |
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* @param array $scope |
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* @return PromiseInterface |
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* |
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* @throws \Doctrine\Instantiator\Exception\ExceptionInterface |
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*/ |
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private function instantiate( |
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\ReflectionClass $reflection, |
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string $className, |
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ORMInterface $orm, |
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string $role, |
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array $scope |
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): PromiseInterface { |
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$structure = $this->extractor->extract($reflection); |
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/** @var PromiseInterface $instance */ |
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$instance = $this->instantiator->instantiate($className); |
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$instance->{$this->printer->initMethodName($structure)}($orm, $role, $scope); |
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return $instance; |
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} |
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} |
cycle /
proxy-factory
Let’s assume that you have a directory layout like this:
. |-- OtherDir | |-- Bar.php | `-- Foo.php `-- SomeDir `-- Foo.phpand let’s assume the following content of
Bar.php:If both files
OtherDir/Foo.phpandSomeDir/Foo.phpare loaded in the same runtime, you will see a PHP error such as the following:PHP Fatal error: Cannot use SomeDir\Foo as Foo because the name is already in use in OtherDir/Foo.phpHowever, as
OtherDir/Foo.phpdoes not necessarily have to be loaded and the error is only triggered if it is loaded beforeOtherDir/Bar.php, this problem might go unnoticed for a while. In order to prevent this error from surfacing, you must import the namespace with a different alias: