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<?php |
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namespace PSB\Core; |
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class MessageHandlerRegistry |
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{ |
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const EVENT_HANDLER = 0; |
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const COMMAND_HANDLER = 1; |
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/** |
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* @var string[][][] |
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*/ |
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private $handlers = [self::EVENT_HANDLER => [], self::COMMAND_HANDLER => []]; |
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/** |
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* @param string $eventFqcn |
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* @param string $handlerContainerId |
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*/ |
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public function registerEventHandler($eventFqcn, $handlerContainerId) |
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{ |
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$this->registerMessageHandler($eventFqcn, $handlerContainerId, self::EVENT_HANDLER); |
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} |
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/** |
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* @param string $eventFqcn |
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* @param string $handlerContainerId |
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*/ |
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public function registerCommandHandler($eventFqcn, $handlerContainerId) |
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{ |
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$this->registerMessageHandler($eventFqcn, $handlerContainerId, self::COMMAND_HANDLER); |
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} |
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/** |
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* @param string $messageFqcn |
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* @param string $handlerContainerId |
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* @param int $messageType |
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*/ |
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private function registerMessageHandler($messageFqcn, $handlerContainerId, $messageType) |
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{ |
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if (!isset($this->handlers[$messageType][$messageFqcn])) { |
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$this->handlers[$messageType][$messageFqcn] = []; |
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} |
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if (in_array($handlerContainerId, $this->handlers[$messageType][$messageFqcn])) { |
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return; |
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} |
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$this->handlers[$messageType][$messageFqcn][] = $handlerContainerId; |
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} |
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/** |
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* @param array $messageFqcns |
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* |
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* @return string[] |
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*/ |
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public function getHandlerIdsFor(array $messageFqcns) |
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{ |
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$messageFqcns = array_flip($messageFqcns); |
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$handlerIds = []; |
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foreach ($this->handlers as $messageToHandlerIds) { |
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$filteredMessageToHandlerIds = array_intersect_key($messageToHandlerIds, $messageFqcns); |
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$handlerIds = array_merge( |
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$handlerIds, |
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iterator_to_array( |
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new \RecursiveIteratorIterator(new \RecursiveArrayIterator($filteredMessageToHandlerIds)) |
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) |
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); |
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} |
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return array_unique($handlerIds); |
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} |
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/** |
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* @return array |
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*/ |
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public function getEventFqcns() |
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{ |
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return array_keys($this->handlers[self::EVENT_HANDLER]); |
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} |
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/** |
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* @return array |
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*/ |
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public function getCommandFqcns() |
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{ |
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return array_keys($this->handlers[self::COMMAND_HANDLER]); |
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} |
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/** |
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* @return array |
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*/ |
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public function getMessageFqcns() |
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{ |
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return array_merge($this->getEventFqcns(), $this->getCommandFqcns()); |
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} |
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} |
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phpservicebus /
core
