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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\Scheduling; |
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use Gica\Cqrs\Command\CommandDispatcher\ConcurrentProofFunctionCaller; |
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use Gica\Cqrs\Event\EventDispatcher; |
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use Gica\Cqrs\EventStore; |
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use Gica\Cqrs\FutureEventsStore; |
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class ScheduledEventsPlayer |
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{ |
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/** |
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* @var FutureEventsStore |
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*/ |
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private $futureEventsStore; |
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/** |
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* @var EventDispatcher |
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*/ |
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private $eventDispatcher; |
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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 ConcurrentProofFunctionCaller |
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*/ |
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private $concurrentProofFunctionCaller; |
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public function __construct( |
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FutureEventsStore $futureEventsStore, |
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EventDispatcher $eventDispatcher, |
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EventStore $eventStore, |
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ConcurrentProofFunctionCaller $functionCaller |
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) |
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{ |
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$this->futureEventsStore = $futureEventsStore; |
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$this->eventDispatcher = $eventDispatcher; |
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$this->eventStore = $eventStore; |
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$this->concurrentProofFunctionCaller = $functionCaller; |
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} |
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public function run() |
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{ |
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$this->futureEventsStore->loadAndProcessScheduledEvents(function (ScheduledEventWithMetadata $scheduledEvent) { |
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$this->saveEventToStore($scheduledEvent); |
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$this->eventDispatcher->dispatchEvent($scheduledEvent->getEventWithMetaData()); |
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}); |
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} |
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private function saveEventToStore(ScheduledEventWithMetadata $scheduledEvent) |
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{ |
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$this->concurrentProofFunctionCaller->executeFunction(function () use ($scheduledEvent) { |
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$metaData = $scheduledEvent->getEventWithMetaData()->getMetaData(); |
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$aggregateVersion = $this->eventStore->getAggregateVersion($metaData->getAggregateClass(), $metaData->getAggregateId()); |
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$this->trySaveEventToStore($scheduledEvent, $aggregateVersion); |
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}, 9999); |
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} |
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private function trySaveEventToStore(ScheduledEventWithMetadata $scheduledEvent, $version) |
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{ |
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$eventWithMetaData = $scheduledEvent->getEventWithMetaData(); |
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$metaData = $eventWithMetaData->getMetaData(); |
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$expectedSequence = $this->eventStore->fetchLatestSequence(); |
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$this->eventStore->appendEventsForAggregate($metaData->getAggregateId(), $metaData->getAggregateClass(), [$eventWithMetaData], $version, $expectedSequence); |
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} |
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} |
xprt64 /
cqrs-es
