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<?php |
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declare(strict_types=1); |
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/** |
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* This file is part of the Ray.Di package. |
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* |
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* @license http://opensource.org/licenses/MIT MIT |
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*/ |
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namespace Ray\Di; |
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use Ray\Aop\Bind as AopBind; |
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use Ray\Aop\CompilerInterface; |
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use Ray\Aop\MethodInterceptor; |
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final class Dependency implements DependencyInterface |
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{ |
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/** |
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* @var NewInstance |
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*/ |
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private $newInstance; |
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/** |
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* @var string |
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*/ |
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private $postConstruct; |
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/** |
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* @var bool |
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*/ |
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private $isSingleton = false; |
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/** |
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* @var mixed |
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*/ |
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private $instance; |
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/** |
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* @var string |
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*/ |
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private $index; |
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/** |
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* @param NewInstance $newInstance |
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* @param \ReflectionMethod $postConstruct |
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*/ |
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public function __construct(NewInstance $newInstance, \ReflectionMethod $postConstruct = null) |
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{ |
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$this->newInstance = $newInstance; |
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$this->postConstruct = $postConstruct ? $postConstruct->name : null; |
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} |
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public function __sleep() |
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{ |
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return ['newInstance', 'postConstruct', 'isSingleton']; |
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} |
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public function __toString() |
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{ |
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return sprintf( |
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'(dependency) %s', |
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(string) $this->newInstance |
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); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function register(array &$container, Bind $bind) |
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{ |
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$this->index = $index = (string) $bind; |
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$container[$index] = $bind->getBound(); |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function inject(Container $container) |
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{ |
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// singleton ? |
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if ($this->isSingleton === true && $this->instance) { |
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return $this->instance; |
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} |
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// create dependency injected instance |
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$this->instance = $this->newInstance->__invoke($container); |
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// @PostConstruct |
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if ($this->postConstruct) { |
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$this->instance->{$this->postConstruct}(); |
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} |
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return $this->instance; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function setScope($scope) |
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{ |
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if ($scope === Scope::SINGLETON) { |
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$this->isSingleton = true; |
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} |
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} |
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public function weaveAspects(CompilerInterface $compiler, array $pointcuts) |
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{ |
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$class = (string) $this->newInstance; |
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$isInterceptor = (new \ReflectionClass($class))->implementsInterface(MethodInterceptor::class); |
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if ($isInterceptor) { |
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return; |
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} |
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$bind = new AopBind; |
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$bind->bind((string) $this->newInstance, $pointcuts); |
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if (! $bind->getBindings()) { |
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return; |
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} |
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$class = $compiler->compile((string) $this->newInstance, $bind); |
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$this->newInstance->weaveAspects($class, $bind); |
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} |
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} |
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