protected bool IsRepeatedCommand(IAttributeUseMvoCommand command, IEventStoreAggregateId eventStoreAggregateId, IAttributeUseMvoState state) { bool repeated = false; if (((IAttributeUseMvoStateProperties)state).AttributeSetVersion > command.AggregateVersion) { var lastEvent = EventStore.GetEvent(typeof(IAttributeUseMvoEvent), eventStoreAggregateId, command.AggregateVersion); if (lastEvent != null && lastEvent.CommandId == command.CommandId) { repeated = true; } } return(repeated); }
protected virtual void Update(IAttributeUseMvoCommand c, Action <IAttributeUseMvoAggregate> action) { var aggregateId = c.AggregateId; var state = StateRepository.Get(aggregateId, false); var aggregate = GetAttributeUseMvoAggregate(state); var eventStoreAggregateId = ToEventStoreAggregateId(aggregateId); var repeated = IsRepeatedCommand(c, eventStoreAggregateId, state); if (repeated) { return; } aggregate.ThrowOnInvalidStateTransition(c); action(aggregate); Persist(eventStoreAggregateId, aggregate, state); }
protected virtual void Update(IAttributeUseMvoCommand c, Action <IAttributeUseMvoAggregate> action) { var aggregateId = c.AggregateId; var state = StateRepository.Get(aggregateId, false); var aggregate = GetAttributeUseMvoAggregate(state); var eventStoreAggregateId = ToEventStoreAggregateId(aggregateId); var repeated = IsRepeatedCommand(c, eventStoreAggregateId, state); if (repeated) { return; } aggregate.ThrowOnInvalidStateTransition(c); action(aggregate); EventStore.AppendEvents(eventStoreAggregateId, ((IAttributeUseMvoStateProperties)state).AttributeSetVersion, aggregate.Changes, () => { StateRepository.Save(state); }); }
private static bool IsCommandCreate(IAttributeUseMvoCommand c) { return(c.AttributeSetVersion == AttributeUseMvoState.VersionZero); }