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<?php |
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/****************************************************************************** |
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* Copyright (c) 2016 Constantin Galbenu <[email protected]> * |
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******************************************************************************/ |
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namespace Gica\Cqrs\ReadModel; |
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use Gica\Cqrs\Event\EventsApplier\EventsApplierOnListener; |
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use Gica\Cqrs\EventStore; |
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use Psr\Log\LoggerInterface; |
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class ReadModelRecreator |
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{ |
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/** |
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* @var EventStore |
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*/ |
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private $eventStore; |
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/** |
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* @var EventsApplierOnListener |
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*/ |
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private $eventsApplierOnListener; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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public function __construct( |
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EventStore $eventStore, |
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EventsApplierOnListener $eventsApplierOnListener, |
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LoggerInterface $logger |
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) |
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{ |
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$this->eventStore = $eventStore; |
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$this->eventsApplierOnListener = $eventsApplierOnListener; |
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$this->logger = $logger; |
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} |
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public function recreateRead(ReadModelInterface $readModel) |
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{ |
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$eventClasses = $this->getListenerEventClasses(get_class($readModel)); |
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$this->logger->info(print_r($eventClasses, true)); |
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$this->logger->info("loading events..."); |
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$allEvents = $this->eventStore->loadEventsByClassNames($eventClasses); |
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$this->logger->info("applying events..."); |
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$this->eventsApplierOnListener->applyEventsOnListener($readModel, $allEvents); |
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} |
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private function getListenerEventClasses(string $readModelClass) |
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{ |
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$result = []; |
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$classReflection = new \ReflectionClass($readModelClass); |
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foreach ($classReflection->getMethods() as $reflectionMethod) { |
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$eventClass = $this->tryToExtractEventClassFromMethod($reflectionMethod); |
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if (false !== $eventClass) { |
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$result[] = $eventClass; |
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} |
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} |
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return $result; |
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} |
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private function tryToExtractEventClassFromMethod(\ReflectionMethod $reflectionMethod) |
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{ |
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foreach ($reflectionMethod->getParameters() as $reflectionParameter) { |
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$eventClass = $this->tryToExtractEventClassFromParameter($reflectionParameter); |
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if (false !== $eventClass) { |
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return $eventClass; |
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} |
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} |
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return false; |
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} |
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private function tryToExtractEventClassFromParameter(\ReflectionParameter $reflectionParameter) |
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{ |
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if ($reflectionParameter->getClass() && is_subclass_of($reflectionParameter->getClass()->getName(), \Gica\Cqrs\Event::class)) { |
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return $reflectionParameter->getClass()->getName(); |
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} |
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return false; |
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} |
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} |
xprt64 /
cqrs-es
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