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<?php |
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namespace Bernard\Router; |
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use Bernard\Envelope; |
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use Bernard\Exception\ReceiverNotFoundException; |
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use Bernard\Router; |
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/** |
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* Routes an Envelope to a Receiver based on an internal receiver map. |
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*/ |
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class ReceiverMapRouter implements Router |
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{ |
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protected $receivers = []; |
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private $receiverResolver; |
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/** |
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* @param array $receivers |
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* @param ReceiverResolver|null $receiverResolver |
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*/ |
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public function __construct(array $receivers = [], ReceiverResolver $receiverResolver = null) |
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{ |
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if ($receiverResolver === null) { |
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$receiverResolver = new SimpleReceiverResolver(); |
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} |
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$this->receiverResolver = $receiverResolver; |
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foreach ($receivers as $name => $receiver) { |
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$this->add($name, $receiver); |
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} |
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} |
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/** |
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* @param string $name |
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* @param mixed $receiver |
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*/ |
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private function add($name, $receiver) |
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{ |
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if (!$this->receiverResolver->accepts($receiver)) { |
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throw new \InvalidArgumentException(sprintf('Receiver "%s" is not supported.', $receiver)); |
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} |
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$this->receivers[$name] = $receiver; |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function route(Envelope $envelope) |
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{ |
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$receiver = $this->get($this->getName($envelope)); |
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$receiver = $this->receiverResolver->resolve($receiver, $envelope); |
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if (null === $receiver) { |
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throw new ReceiverNotFoundException(sprintf('No receiver found with name "%s".', $envelope->getName())); |
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} |
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return $receiver; |
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} |
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/** |
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* @param string $name |
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* |
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* @return mixed |
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*/ |
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protected function get($name) |
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{ |
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return isset($this->receivers[$name]) ? $this->receivers[$name] : null; |
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} |
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/** |
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* Returns the (message) name to look for in the receiver map. |
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* |
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* @param Envelope $envelope |
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* |
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* @return string |
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*/ |
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protected function getName(Envelope $envelope) |
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{ |
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return $envelope->getName(); |
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} |
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} |
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bernardphp /
bernard
