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<?php |
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declare(strict_types=1); |
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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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use Ray\Aop\Pointcut; |
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use Ray\Aop\WeavedInterface; |
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use ReflectionClass; |
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use ReflectionMethod; |
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use function assert; |
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use function class_exists; |
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use function method_exists; |
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use function sprintf; |
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final class Dependency implements DependencyInterface, AcceptInterface |
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{ |
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/** @var NewInstance */ |
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private $newInstance; |
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/** @var ?string */ |
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private $postConstruct; |
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/** @var bool */ |
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private $isSingleton = false; |
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/** @var ?mixed */ |
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private $instance; |
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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->name ?? null; |
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} |
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/** |
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* @return array<string> |
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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(): string |
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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 $bind): void |
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{ |
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$container[(string) $bind] = $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 = ($this->newInstance)($container); |
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// @PostConstruct |
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if ($this->postConstruct) { |
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assert(method_exists($this->instance, $this->postConstruct)); |
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$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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* @param array<int, mixed> $params |
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* |
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* @return mixed |
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*/ |
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public function injectWithArgs(Container $container, array $params) |
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{ |
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// singleton ? |
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if ($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 = $this->newInstance->newInstanceArgs($container, $params); |
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// @PostConstruct |
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if ($this->postConstruct) { |
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assert(method_exists($this->instance, $this->postConstruct)); |
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$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): void |
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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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/** |
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* @param array<int,Pointcut> $pointcuts |
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*/ |
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public function weaveAspects(CompilerInterface $compiler, array $pointcuts): void |
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{ |
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$class = (string) $this->newInstance; |
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/** @psalm-suppress RedundantConditionGivenDocblockType */ |
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assert(class_exists($class)); |
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if ((new ReflectionClass($class))->isFinal()) { |
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return; |
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} |
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$isInterceptor = (new ReflectionClass($class))->implementsInterface(MethodInterceptor::class); |
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$isWeaved = (new ReflectionClass($class))->implementsInterface(WeavedInterface::class); |
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if ($isInterceptor || $isWeaved) { |
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return; |
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} |
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$bind = new AopBind(); |
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$className = (string) $this->newInstance; |
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$bind->bind($className, $pointcuts); |
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if (! $bind->getBindings()) { |
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return; |
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} |
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$class = $compiler->compile($className, $bind); |
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/** @psalm-suppress ArgumentTypeCoercion */ |
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$this->newInstance->weaveAspects($class, $bind); // @phpstan-ignore-line |
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} |
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/** @inheritDoc */ |
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public function accept(VisitorInterface $visitor) |
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{ |
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return $visitor->visitDependency( |
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$this->newInstance, |
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$this->postConstruct, |
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$this->isSingleton |
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); |
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} |
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public function isSingleton(): bool |
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{ |
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return $this->isSingleton; |
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} |
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} |
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ray-di /
Ray.Di
