@Ricardo

I was. Actually I was overriding EntityIsTransient/Persistent methods
and calling return base.ThisMethod() at the end

Krzysztof

On May 9, 7:30 pm, Ricardo Peres <[email protected]> wrote:
> @Krzysztof:
>
> Shouldn't you be calling the base class' implementation?
>
> public class MySaveOrUpdateEventListener:
> DefaultSaveOrUpdateEventListener
> {
>     public override void OnSaveOrUpdate(SaveOrUpdateEvent @event)
>     {
>         //do something with the entity
>         base.OnSaveOrUpdate(@event);
>     }
>
> }
>
> On May 9, 2:53 am, José F. Romaniello <[email protected]> wrote:
>
>
>
>
>
>
>
> > 1 use the interface as fabio Said.
> > 2 the order of the listeners is important. I think you should put
> > yours after the nhibernates for this case... But to be honest i am not
> > sure. Ill try it tomorrow
>
> > 2011/5/8, Krzysztof Kozmic <[email protected]>:
>
> > > ok here comes the update.
>
> > > I checked the approach outlined by Fabio again. I implemented the
> > > ISaveOrUpdate and IEntityFlush event listeners and I set the values
> > > directly on the object.
>
> > > However even though I can see the values are set on the object the
> > > INSERT that NHibernate tries to execute passes NULL values for those
> > > properties instead.
>
> > > Also as a sidenote I noticed even non-dirty objects are passed to
> > > those listeners which is at least surprising to me.
>
> > > Also as another sidenote, I used as my base class
> > > DefaultSaveOrUpdateListener and I'm overriding EntityIsPersistent/
> > > EntityIsTransient methods and NHibernate is passing my newly created
> > > object to EntityIsPersistent method which is again at least
> > > surprising.
>
> > > Anyway - the biggest issue is that NHibernate does not seem to care
> > > about the values I provide to the object in the listener and I'm sure
> > > they are set, because if I look in the debugger at the time the
> > > exception is thrown the values are set and I could see my listeners
> > > get hit.
>
> > > cheers,
> > > Krzysztof
>
> > > On May 7, 2:10 pm, Krzysztof Kozmic <[email protected]>
> > > wrote:
> > >> I did briefly try that, and ended up having some different issues
> > >> (don't remember exactly what the problem was now, I'll try to
> > >> reproduce that on Monday).
>
> > >> Does FlushEventListener get called for dirty objects only?
>
> > >> Cheers,
> > >> Krzysztof
>
> > >> On May 6, 10:04 pm, Fabio Maulo <[email protected]> wrote:
>
> > >> > IPreUpdate is intended to be used for entity-state checking (veto) not
> > >> > to
> > >> > change the state.
> > >> > What is happening is that NH found a strange operation in a collection
> > >> > (something like "somebody have changed it outside my control or I have 
> > >> > a
> > >> > bug").
> > >> > For what you need you have to use ISaveOrUpdateEventListener
> > >> > public void OnSaveOrUpdate(SaveOrUpdateEvent @event)
> > >> > {
> > >> > var trackable = @event.Entity as ITrackModificationDate;
> > >> > if (trackable != null)
> > >> > {
> > >> > trackable.LastModified = CurrentDateTimeProvider();
>
> > >> > }
> > >> > }
>
> > >> > and IFlushEntityEventListener
> > >> > public void OnFlushEntity(FlushEntityEvent @event)
> > >> > {
> > >> > if(@event.EntityEntry.Status == Status.Deleted)
> > >> > {
> > >> > return;}
>
> > >> > var trackable = @event.Entity as ITrackModificationDate;
> > >> > if (trackable != null)
> > >> > {
> > >> > trackable.LastModified = CurrentDateTimeProvider();
>
> > >> > }
> > >> > }
>
> > >> > As you can see, using right events you don't need to use NH internals
> > >> > state.
>
> > >> > For collection you have another set of events. In general *you 
> > >> > shouldn't
> > >> > initialize a collection* in an NH's event.
>
> > >> > 2011/5/6 Krzysztof Ko¼mic <[email protected]>
>
> > >> > > I'm using Oracle database.
> > >> > > I have a IPreUpdateEventListener and IPreInsertEventListener which 
> > >> > > set
> > >> > > CreatedBy and UpdatedBy properties on some of the entities.
>
> > >> > > Those properties point to another entity Person which is assigned in
> > >> > > the
> > >> > > listeners via Session.Load<>
>
> > >> > > this all used to work quite nice when I had my POID generator
> > >> > > specified as
> > >> > > "sequence-identity" (we use sequences in Oracle)
>
> > >> > > today I tried to switch POID generator to "sequence" which would 
> > >> > > allow
> > >> > > me
> > >> > > to utilize batching which I also enabled.
>
> > >> > > Here's where I started getting this exception:
>
> > >> > > collection: [Person.FooBars] was not processed by flush()
>
> > >> > > the exception happens only when the Session.Load<> in my event
> > >> > > listeners
> > >> > > doesn't already have the Person I'm requested accessible (that is 
> > >> > > only
> > >> > > when
> > >> > > Load<Person> returns a proxy). If I load the person beforehand (and
> > >> > > not in
> > >> > > the listener) the exception does not occur.
>
> > >> > > Any ideas what the reason for that is and how do I fix it?
>
> > >> > > Krzysztof
>
> > >> > > --
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> > >> > > "nhusers" group.
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>
> > >> > --
> > >> > Fabio Maulo
>
> > > --
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>
> > --
> > Enviado desde mi dispositivo móvil

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