merode/be.vamaralds.merode.instance/EventHandler

EventHandler

class EventHandler(val model: Model, val eventStore: EventStore, val objectStore: BusinessObjectStore)

Constructors

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constructor(model: Model, eventStore: EventStore, objectStore: BusinessObjectStore)

Properties

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val model: Model
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Functions

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suspend fun handleEvent(event: Event): EitherNel<EventHandlingError, List<BusinessObject>>

Attempts to handle the given event by applying it to the BusinessObject to which it is targeted. If the event is successfully applied, the affected BusinessObjects are stored/updated in the BusinessObjectStore and the event is stored in the EventStore. If the event is not successfully applied, the event is not stored and the BusinessObjects are not updated.