protected bool IsRepeatedCommand(IContactMechCommand command, IEventStoreAggregateId eventStoreAggregateId, IContactMechState state) { bool repeated = false; if (((IContactMechStateProperties)state).Version > command.AggregateVersion) { var lastEvent = EventStore.GetEvent(typeof(IContactMechEvent), eventStoreAggregateId, command.AggregateVersion); if (lastEvent != null && lastEvent.CommandId == command.CommandId) { repeated = true; } } return(repeated); }
protected virtual void Update(IContactMechCommand c, Action <IContactMechAggregate> action) { var aggregateId = c.AggregateId; var state = StateRepository.Get(aggregateId, false); var aggregate = GetContactMechAggregate(state); var eventStoreAggregateId = ToEventStoreAggregateId(aggregateId); var repeated = IsRepeatedCommand(c, eventStoreAggregateId, state); if (repeated) { return; } aggregate.ThrowOnInvalidStateTransition(c); action(aggregate); Persist(eventStoreAggregateId, aggregate, state); }
private static bool IsCommandCreate(IContactMechCommand c) { return(c.Version == ContactMechState.VersionZero); }