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<?php
namespace MediaWiki\DomainEvent;
use Wikimedia\Rdbms\IConnectionProvider;
/**
* Service for sending domain events to registered listeners.
*
* @since 1.44
* @unstable until 1.45
*/
interface DomainEventDispatcher {
/**
* Dispatch the given event to any listeners that have been registered for
* the given event type. The event will be dispatched to registered listeners
* later, after (and if) the current transaction in $dbw has been committed
* successfully. No listeners will be invoked within the current transaction.
*
* Implementations should aim to provide at-least-once delivery semantics,
* but guaranteed delivery is not a hard requirement of this interface.
* An application may guarantee delivery of domain events by providing
* an appropriate implementation (a transactional outbox).
*/
public function dispatch(
DomainEvent $event,
IConnectionProvider $dbProvider
): void;
}
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