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<?php |
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namespace PSB\Core\Pipeline\Incoming; |
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use PSB\Core\Exception\UnexpectedValueException; |
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use PSB\Core\MessageHandlerInterface; |
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use PSB\Core\MessageHandlerRegistry; |
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use PSB\Core\Pipeline\Incoming\StageContext\IncomingLogicalMessageContext; |
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use PSB\Core\Pipeline\Incoming\StageContext\InvokeHandlerContext; |
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use PSB\Core\Pipeline\StageConnectorInterface; |
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class LoadHandlersConnector implements StageConnectorInterface |
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{ |
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/** |
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* @var MessageHandlerRegistry |
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*/ |
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private $messageHandlerRegistry; |
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/** |
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* @var IncomingContextFactory |
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*/ |
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private $incomingContextFactory; |
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/** |
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* @param MessageHandlerRegistry $messageHandlerRegistry |
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* @param IncomingContextFactory $incomingContextFactory |
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*/ |
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public function __construct( |
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MessageHandlerRegistry $messageHandlerRegistry, |
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IncomingContextFactory $incomingContextFactory |
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) { |
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$this->messageHandlerRegistry = $messageHandlerRegistry; |
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$this->incomingContextFactory = $incomingContextFactory; |
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} |
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/** |
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* @param IncomingLogicalMessageContext $context |
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* @param callable $next |
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*/ |
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public function invoke($context, callable $next) |
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{ |
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$messageTypes = $context->getMessage()->getMessageTypes(); |
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$handlerIdsToInvoke = $this->messageHandlerRegistry->getHandlerIdsFor($messageTypes); |
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if (!$context->isMessageHandled() && !count($handlerIdsToInvoke)) { |
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$messageTypes = implode(',', $messageTypes); |
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throw new UnexpectedValueException("No message handlers could be found for message types '$messageTypes'."); |
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} |
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foreach ($handlerIdsToInvoke as $handlerId) { |
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/** @var MessageHandlerInterface $handler */ |
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$handler = $context->getBuilder()->build($handlerId); |
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$handlingContext = $this->incomingContextFactory->createInvokeHandlerContext($handler, $context); |
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$next($handlingContext); |
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if ($handlingContext->isHandlerInvocationAborted()) { |
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//if the chain was aborted skip the other handlers |
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break; |
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} |
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} |
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3 |
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$context->markMessageAsHandled(); |
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} |
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/** |
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* @return string |
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*/ |
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public static function getStageContextClass() |
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{ |
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return IncomingLogicalMessageContext::class; |
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} |
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/** |
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* @return string |
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*/ |
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public static function getNextStageContextClass() |
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{ |
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return InvokeHandlerContext::class; |
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} |
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} |
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phpservicebus /
core
