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<?php |
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namespace Tonic\Component\ApiLayer\JsonRpc\Method; |
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use Tonic\Component\ApiLayer\JsonRpc\Method\ArgumentMapper\ArgumentMapperInterface; |
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use Tonic\Component\ApiLayer\JsonRpc\Method\Exception\MethodNotFoundException; |
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use Tonic\Component\ApiLayer\JsonRpc\Method\Loader\LoaderInterface; |
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/** |
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* Dispatches method call. |
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*/ |
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class MethodDispatcher implements MethodDispatcherInterface |
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{ |
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/** |
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* @var LoaderInterface |
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*/ |
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private $loader; |
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/** |
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* @var ArgumentMapperInterface |
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*/ |
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private $argumentMapper; |
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/** |
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* @var MethodInvokerInterface |
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*/ |
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private $methodInvoker; |
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/** |
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* @var MethodCollection|null |
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*/ |
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private $methodCollection = null; |
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/** |
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* Constructor. |
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* |
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* @param LoaderInterface $loader |
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* @param ArgumentMapperInterface $argumentMapper |
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* @param MethodInvokerInterface $methodInvoker |
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*/ |
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public function __construct( |
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LoaderInterface $loader, |
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ArgumentMapperInterface $argumentMapper, |
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MethodInvokerInterface $methodInvoker |
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) { |
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$this->loader = $loader; |
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$this->argumentMapper = $argumentMapper; |
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$this->methodInvoker = $methodInvoker; |
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} |
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/** |
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* @return MethodCollection |
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*/ |
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public function getMethodCollection() |
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{ |
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if (null === $this->methodCollection) { |
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$this->methodCollection = $this->loader->load(); |
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} |
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return $this->methodCollection; |
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} |
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/** |
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* @param string $methodName |
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* @param array $arguments |
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* |
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* @return mixed |
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* |
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* @throws MethodNotFoundException |
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*/ |
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public function dispatch($methodName, array $arguments = []) |
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{ |
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$methodCollection = $this->getMethodCollection(); |
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$callable = $methodCollection->get($methodName); |
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if (! is_callable($callable)) { |
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throw new MethodNotFoundException(sprintf('Method "%s" is not found', $methodName)); |
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} |
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$requestObject = $this->argumentMapper->mapToObject($callable, $arguments); |
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return $this->methodInvoker->invoke($callable, $requestObject); |
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} |
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} |
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tonicforhealth /
json-rpc
