@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
>
> >> > > --
> >> > > You received this message because you are subscribed to the Google
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> >> > > "nhusers" group.
> >> > > To post to this group, send email to [email protected].
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> >> > > [email protected].
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>
> >> > --
> >> > Fabio Maulo
>
> > --
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>
> --
> Enviado desde mi dispositivo móvil
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