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<?php |
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namespace PhpDDD\DomainDrivenDesign\Event; |
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use PhpDDD\DomainDrivenDesign\Exception\InvalidArgumentException; |
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final class EventListener |
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{ |
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/** |
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* @var bool |
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*/ |
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private $asynchronous; |
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/** |
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* @var string |
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*/ |
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private $eventClassName; |
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/** |
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* @var callable|string |
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*/ |
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private $method; |
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/** |
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* @param callable|string $method |
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* @param string|null $eventClassName |
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* @param bool $asynchronous |
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*/ |
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public function __construct($method, $eventClassName = null, $asynchronous = false) |
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{ |
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static::validateMethod($method); |
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static::validateEventClassName($eventClassName); |
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static::validateAsynchronous($asynchronous); |
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$this->eventClassName = $eventClassName; |
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$this->method = $method; |
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$this->asynchronous = (bool) $asynchronous; |
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} |
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/** |
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* @param bool $asynchronous |
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*/ |
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public static function validateAsynchronous($asynchronous) |
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{ |
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if (!is_bool($asynchronous)) { |
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throw InvalidArgumentException::wrongType('asynchronous', $asynchronous, 'boolean'); |
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} |
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} |
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/** |
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* @param string|null $eventClassName |
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*/ |
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public static function validateEventClassName($eventClassName) |
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{ |
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if (null !== $eventClassName && !is_string($eventClassName)) { |
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throw InvalidArgumentException::wrongType('eventClassName', $eventClassName, 'null or sting'); |
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} |
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} |
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/** |
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* @param string|callable $method |
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*/ |
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public static function validateMethod($method) |
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{ |
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if (!is_string($method) && !is_callable($method)) { |
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throw InvalidArgumentException::wrongType('method', $method, 'callable or sting'); |
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} |
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} |
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/** |
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* @return bool |
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*/ |
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public function isAsynchronous() |
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{ |
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return $this->asynchronous; |
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} |
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/** |
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* @param EventSubscriberInterface $subscriber |
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*/ |
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public function setSubscriber(EventSubscriberInterface $subscriber) |
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{ |
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if (!is_callable($this->method)) { |
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$this->method = [$subscriber, $this->method]; |
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} |
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} |
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/** |
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* @return string |
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*/ |
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public function getEventClassName() |
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{ |
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return $this->eventClassName; |
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} |
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/** |
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* @return callable|string |
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*/ |
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public function getMethod() |
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{ |
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return $this->method; |
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} |
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} |
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php-ddd /
domain-driven-design
