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<?php |
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namespace SmoothPhp\EventSourcing; |
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use SmoothPhp\Contracts\EventBus\EventBus; |
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use SmoothPhp\Contracts\EventSourcing\AggregateRoot as AggregateRootInterface; |
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use SmoothPhp\Contracts\EventStore\EventStore; |
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/** |
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* Class EventSourcedRepository |
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* @package SmoothPhp\EventSourcing |
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* @author Simon Bennett <[email protected]> |
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*/ |
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abstract class EventSourcedRepository |
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{ |
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/** @var EventStore */ |
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private $eventStore; |
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/** @var EventBus */ |
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private $eventBus; |
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/** |
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* EventSourcedRepository constructor. |
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* @param EventStore $eventStore |
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* @param EventBus $eventBus |
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*/ |
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public function __construct(EventStore $eventStore, EventBus $eventBus) |
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{ |
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$this->eventStore = $eventStore; |
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$this->eventBus = $eventBus; |
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} |
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/** |
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* @return string |
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*/ |
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abstract protected function getPrefix(); |
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/** |
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* @return string |
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*/ |
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abstract protected function getAggregateType(); |
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/** |
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* @param string $id |
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* @return AggregateRootInterface |
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* @throws \SmoothPhp\EventStore\EventStreamNotFound |
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*/ |
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public function load($id) |
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{ |
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$domainEvents = $this->eventStore->load($this->getPrefix() . $id); |
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$aggregateClassName = $this->getAggregateType(); |
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$aggregate = unserialize(sprintf( 'O:%d:"%s":0:{}',strlen($aggregateClassName), $aggregateClassName)); |
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$aggregate->initializeState($domainEvents); |
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return $aggregate; |
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} |
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/** |
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* @param AggregateRootInterface $aggregate |
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* @return void |
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*/ |
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public function save(AggregateRootInterface $aggregate) |
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{ |
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$this->saveAggregate($aggregate,false); |
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} |
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/** |
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* @param AggregateRootInterface $aggregate |
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* @return void |
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*/ |
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public function saveWithoutPlayheadCheck(AggregateRootInterface $aggregate) |
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{ |
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$this->saveAggregate($aggregate,true); |
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} |
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/** |
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* @param AggregateRootInterface $aggregate |
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* @param bool $ignorePlayhead |
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*/ |
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private function saveAggregate(AggregateRootInterface $aggregate,bool $ignorePlayhead = false) |
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{ |
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$events = $aggregate->getUncommittedEvents(); |
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$this->eventStore->append($aggregate->getAggregateRootId(), $events,$ignorePlayhead); |
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$this->eventBus->publish($events); |
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} |
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} |
SmoothPhp /
CQRS-ES-Framework
