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<?php |
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namespace Rawkode\Eidetic\EventSourcing; |
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use Rawkode\Eidetic\EventStore\EventStore; |
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/** |
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* Class Repository |
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* @package Rawkode\Eidetic\EventSourcing |
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*/ |
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final class Repository |
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{ |
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/** @var $entityClass */ |
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private $entityClass; |
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/** @var EventStore $eventStore */ |
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private $eventStore; |
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/** |
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* @param string $class |
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* @param EventStore $eventStore |
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*/ |
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private function __construct($class, EventStore $eventStore) |
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{ |
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$this->entityClass = $class; |
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$this->eventStore = $eventStore; |
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} |
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/** |
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* @param $class |
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* @param EventStore $eventStore |
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* @return Repository |
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*/ |
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public static function createForType($class, EventStore $eventStore) |
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{ |
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return new self($class, $eventStore); |
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} |
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/** |
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* @param $key |
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* @return mixed |
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*/ |
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public function load($key) |
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{ |
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$class = $this->eventStore->getClassForKey($key); |
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$this->enforceTypeConstraint($class); |
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$events = $this->eventStore->retrieve($key); |
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return $class::initialise($events); |
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} |
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/** |
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* @param EventSourcedEntity $eventSourcedEntity |
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* @throws IncorrectEntityClassException |
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*/ |
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public function save(EventSourcedEntity $eventSourcedEntity) |
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{ |
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$this->enforceTypeConstraint(get_class($eventSourcedEntity)); |
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$this->eventStore->store($eventSourcedEntity->identifier(), $eventSourcedEntity->stagedEvents()); |
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} |
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/** |
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* @param $class |
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* @throws IncorrectEntityClassException |
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*/ |
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private function enforceTypeConstraint($class) |
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{ |
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if ($class !== $this->entityClass) { |
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throw new IncorrectEntityClassException($class . ' is not same as ' . $this->entityClass); |
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} |
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} |
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} |
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rawkode /
eidetic
