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<?php |
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namespace HMLB\DDDBundle\MessageBus\Middleware; |
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use HMLB\DDD\Exception\Exception; |
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use HMLB\DDDBundle\EventListener\CollectsEventsFromEntities; |
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use Psr\Log\LoggerInterface; |
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use SimpleBus\Message\Bus\Middleware\MessageBusMiddleware; |
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/** |
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* This subscribers throws an exception if DomainEvents have been collected and will not be notified. |
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* |
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* It should have High priority to check for Events after all Notifiers like "NotifiesDomainEvents" have been called. |
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* |
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* @author Hugues Maignol <[email protected]> |
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*/ |
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class MonitorsDomainEvents implements MessageBusMiddleware |
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{ |
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/** |
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* @var CollectsEventsFromEntities |
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*/ |
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private $collectsEventsFromEntities; |
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/** |
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* @var LoggerInterface |
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*/ |
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private $logger; |
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/** |
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* @param LoggerInterface $logger |
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* @param CollectsEventsFromEntities $collectsEventsFromEntities |
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*/ |
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public function __construct( |
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LoggerInterface $logger, |
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CollectsEventsFromEntities $collectsEventsFromEntities |
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) { |
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$this->logger = $logger; |
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$this->collectsEventsFromEntities = $collectsEventsFromEntities; |
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} |
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/** |
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* @param object $message |
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* @param callable $next |
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* |
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* @throws Exception |
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*/ |
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public function handle($message, callable $next) |
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{ |
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$next($message); |
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$events = $this->collectsEventsFromEntities->recordedMessages(); |
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$count = count($events); |
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$this->logger->debug('MonitorsDomainEvents saw '.$count.' events'); |
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if ($count) { |
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foreach ($events as $event) { |
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$this->logger->debug('MonitorsDomainEvents saw '.get_class($event)); |
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} |
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if ($count == 1) { |
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$message = sprintf( |
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'%s Domain Event has been collected but will not be notified. |
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You should not raise domain event during the handling of a Event message but only for a Command.', |
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get_class(array_pop($events)) |
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); |
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} else { |
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$message = sprintf( |
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'%s Domain Event(s) have been collected but will not be notified. |
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You should not raise domain event during the handling of a Event message but only for a Command.', |
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$count |
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); |
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} |
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throw new Exception($message); |
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} |
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} |
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} |
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hmlb /
ddd-bundle
