protected bool IsRepeatedCommand(IPicklistItemMvoCommand command, IEventStoreAggregateId eventStoreAggregateId, IPicklistItemMvoState state) { bool repeated = false; if (((IPicklistItemMvoStateProperties)state).PicklistBinVersion > command.AggregateVersion) { var lastEvent = EventStore.GetEvent(typeof(IPicklistItemMvoEvent), eventStoreAggregateId, command.AggregateVersion); if (lastEvent != null && lastEvent.CommandId == command.CommandId) { repeated = true; } } return(repeated); }
protected virtual void Update(IPicklistItemMvoCommand c, Action <IPicklistItemMvoAggregate> action) { var aggregateId = c.AggregateId; var state = StateRepository.Get(aggregateId, false); var aggregate = GetPicklistItemMvoAggregate(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(IPicklistItemMvoCommand c) { return(c.PicklistBinVersion == PicklistItemMvoState.VersionZero); }