protected bool IsRepeatedCommand(IUomConversionCommand command, IEventStoreAggregateId eventStoreAggregateId, IUomConversionState state)
{
bool repeated = false;
if (((IUomConversionStateProperties)state).Version > command.AggregateVersion)
{
var lastEvent = EventStore.GetEvent(typeof(IUomConversionEvent), eventStoreAggregateId, command.AggregateVersion);
if (lastEvent != null && lastEvent.CommandId == command.CommandId)
{
repeated = true;
}
}
return(repeated);
}
protected virtual void Update(IUomConversionCommand c, Action <IUomConversionAggregate> action)
{
var aggregateId = c.AggregateId;
var state = StateRepository.Get(aggregateId, false);
var aggregate = GetUomConversionAggregate(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(IUomConversionCommand c)
{
return(c.Version == UomConversionState.VersionZero);
}